| Jobsite Name | City | State |
|---|---|---|
| A & K Insulation Co. | Metropolis | IL |
| A & K MIDWEST INSULATION | METROPOLIS | IL |
| A & K MIDWEST INSULATION | MATTOON | IL |
| A & M Insulation Company | Chicago | IL |
| A E STALEY MANUFACTURING | DECATUR | IL |
| A L BOWEN CHILDRENS CENTER | HARRISBURG | IL |
| A O SMITH | GRANITE CITY | IL |
| A T & T | MASCOUTH | IL |
| A T & T CO. | KANKAKEE | IL |
| A. A. SMITH MFG. | GRANITE CITY | IL |
| A. BENSON GREENHOUSE | DES PLAINES | IL |
| A. BOOTH & COMPANY – COLD STORAGE PLANT | CHICAGO | IL |
| A. Finkl & Sons | Chicago | IL |
| A. FINKL & SONS COMPANY | CHICAGO | IL |
| A. L. BOWEN CHILDRENS CENTER | HARRISBURG | IL |
| A.B. FIEDLER | CHICAGO | IL |
| A.C. Nielsen Company | Evanston | IL |
| A.E. STALEY MANUFACTURING CO. | DECATUR | IL |
| A.E. STALEY MANUFACTURING COMPANY | DECATUR | IL |
| A.E. Staley Manufacturing Company / Staley Manufacturing | Decatur | IL |
| A.E. STALEY MFG CO. – STOREROOM | DECATUR | IL |
| A.E. Staley Mfg. Company | Decatur | IL |
| A.H. ANDREWS AND COMPANY | CHICAGO | IL |
| A.H. ROSS & SONS COMPANY | CHICAGO | IL |
| A.J. STONE | CHICAGO | IL |
| A.L. IDE & SONS | SPRINGFIELD | IL |
| A.O. Smith | Granite City | IL |
| A.P. GREEN FIRE BRICK COMPANY | CHICAGO | IL |
| A.P. GREEN FIRE BRICK COMPANY OF WISCONSIN | ROCKFORD | IL |
| A.P. GREEN REFRACTORIES COMPANY | ROCKFORD | IL |
| A.P. GREEN REFRACTORIES COMPANY OF WISCONSIN | ROCKFORD | IL |
| A.P. GREEN SERVICES DIVISION | E MOLINE | IL |
| Aarco Products | Chicago | IL |
| ABBA MANUFACTURING COMPANY | AURORA | IL |
| Abbot Laboratory | North Chicago | IL |
| Abbott Laboratories | Chicago | IL |
| ABBOTT LABORATORIES | NORTH CHICAGO | IL |
| ABBOTT LABORATORIES | CHAMPAIGN | IL |
| Abbott Laboratories, Inc. | Chicago | IL |
| Abbott Labs | Waukegan | IL |
| Abbott Labs | North Chicago | IL |
| Abbott Powerhouse | Urbana | IL |
| ABC LIQUOR STORE – NORTH WASHINGTON STREET | CARBONDALE | IL |
| ABEL HOWE COMPANY | FOREST PARK | IL |
| ABELL BOX CORPORATION | CHICAGO | IL |
| ABEX | CHICAGO | IL |
| Abex Corporation | Chicago Heights | IL |
| ABEX CORPORATION, AMFORGE DIVISION | CHICAGO | IL |
| ABLA HOMES | CHICAGO | IL |
| ABLA HOMES – 1324 SOUTH LOOMIS STREET | CHICAGO | IL |
| Abott Power Plant | Champaign | IL |
| ACANDS, INC. | CHICAGO | IL |
| ACCO – Dryer & Exhaust Duct | Lincolnshire | IL |
| ACCO – Dryer & Exhaust Ducts | Chicago | IL |
| accurate cast products | Addison | IL |
| Acf Industries | Madison | IL |
| Acme Asbestos Covering & Flooring Co | Chicago | IL |
| ACME BARREL COMPANY | CHICAGO | IL |
| ACME DIE CASTING CO | NORTHBROOK | IL |
| ACME STEEL | SOUTH CHICAGO | IL |
| Acme Steel | Chicago | IL |
| ACME STEEL CO. – BLDG 17 | CHICAGO | IL |
| ACME STEEL COMPANY | RIVERDALE | IL |
| ACME STEEL COMPANY | CHICAGO | IL |
| ACME STEEL CORPORATION | CHICAGO | IL |
| ACME STEEL GOODS COMPANY | RIVERDALE | IL |
| ADAHY PACKING COMPANY | CHICAGO | IL |
| ADAMSON MANUFACTURING COMPANY | CHICAGO | IL |
| ADGPTV WATER PLANT | GIRARD | IL |
| Adheron Coatings | Oak Forest | IL |
| Adler Plumbing | Lisle | IL |
| ADM | Galesburg | IL |
| ADM CORN SWEETENERS | PEORIA | IL |
| ADM QUINCY | QUINCY | IL |
| ADMIRAL COMPANY | HARVARD | IL |
| ADMIRAL CORP | CHICAGO | IL |
| Admiral Corp. | Chicago | IL |
| ADMIRAL CORPORATION | HARVARD | IL |
| ADVERTISING METAL DISPLAY COMPANY | CHICAGO | IL |
| AERMOTOR COMPANY | CHICAGO | IL |
| AERMOTOR COMPANY | SOOUTH CHICAGO HEIGHTS | IL |
| AETNA BEARING COMPANY | CHICAGO | IL |
| AGAR MFG CORP | CHICAGO | IL |
| AGAR PACKING AND PROVISION COMPANY | CHICAGO | IL |
| AGRIC CHEM DIVN. | NATIONAL STOCK YARDS | IL |
| AGRICULTURAL CHEMICAL COMPANY (AGRICO) PLANT | FULTON | IL |
| AHLSTROM INDUSTRIAL HOLDINGS, INCORPORATED | TAYLORVILLE | IL |
| Aip | Palatine | IL |
| AIR COMFORT CORP | BROADVIEW | IL |
| AIR PROD. CO. | GRANITE CITY | IL |
| AIR PRODUCTS & CHEMICALS | GRANITE CITY | IL |
| Air Products, Inc. | Chicago | IL |
| Air Reduction Chemical Company | Blue Island | IL |
| Air Reduction Sales Company | Chicago | IL |
| AIRCRAFT SERVICE | CHICAGO | IL |
| AIRCRAFT SERVICES | CHICAGO | IL |
| Alan Sheppard School | Palos Heights | IL |
| ALBA MANUFACTURING COMPANY | AURORA | IL |
| ALBERT EINSTEIN SCHOOL | CHICAGO | IL |
| ALBERT SCHWILL & COMPANY | CHICAGO | IL |
| Albion High School | Albion | IL |
| ALCAST CO | PEORIA | IL |
| ALCO PRODUCTS, INCORPORATED | CHICAGO HEIGHTS | IL |
| ALCO Spring Industries, Inc. | Chicago Heights | IL |
| Alcoa | East St. Louis | IL |
| ALCOA | BELLWOOD | IL |
| Alcoa (F/K/A Reynolds Metals) | McCook | IL |
| ALCOA ALUMINUM | BETTENDORF | IL |
| ALCOA COMPANY | EAST ST. LOUIS | IL |
| ALCOA MINING COMPANY | ROSICLARE | IL |
| ALDRICH CO. | WYOMING | IL |
| ALDRICH COMPANY | WYOMING | IL |
| ALEDO HIGH SCHOOL | ALEDO | IL |
| ALEXANDER BARKES SONS | HAWTHORNE | IL |
| ALEXIAN BROS HOSPITAL | CHICAGO | IL |
| ALEXITE DIE CASTING | WOODSTOCK | IL |
| ALGUS PACKAGING INCORPORATED | DEKALB | IL |
| ALKYDOL LABORATORIES | CICERO | IL |
| All Air Transport Inc. | Franklin Park | IL |
| ALL STATE MVG. & STGE. | KANKAKEE | IL |
| All Steel Inc. | Chicago | IL |
| All Steel Inc. | East St. Louis | IL |
| Allbright Neil Company | Chicago | IL |
| Alleman Catholic High School | Rock Island | IL |
| Alleman High School | Rock Island | IL |
| ALLIED ASPHALT PAVING | HILLSIDE | IL |
| Allied Chemical | Metropolis | IL |
| ALLIED CHEMICAL | CHICAGO | IL |
| ALLIED CHEMICAL | DANVILLE | IL |
| ALLIED CHEMICAL | WASHINGTON PARK | IL |
| Allied Chemical & Dye Company | Metropolis | IL |
| ALLIED CHEMICAL & DYE CORP. | CHICAGO | IL |
| ALLIED CHEMICAL & DYE CORP. – GENERAL CHEMICAL DIVISION | DANVILLE | IL |
| ALLIED CHEMICAL CORPORATION | E ST LOUIS | IL |
| ALLIED CHEMICAL CORPORATION | CHICAGO | IL |
| Allied Chemical Corporation | East St. Louis | IL |
| ALLIED CHEMICAL CORPORATION, GENERAL CHEMICAL DIVISION | CHICAGO | IL |
| ALLIED DIE CASTING & MFG CO, INC | FRANKLIN PARK | IL |
| ALLIED HASTINGS BARRELL AND | CHICAGO | IL |
| ALLIED HEATING | CHICAGO | IL |
| ALLIED METALS | CHICAGO | IL |
| ALLIED MILLS | TAYLORVILLE | IL |
| ALLIED MILLS | BARTONVILLE | IL |
| ALLIED MILLS | LIBERTYVILLE | IL |
| Allied Mills | Perkin | IL |
| ALLIED MILLS, INCORPORATED | PEORIA | IL |
| ALLIED MILLS, INCORPORATED | TAYLORVILLE | IL |
| ALLIED MILLS, INCORPORATED | BARTONVILLE | IL |
| ALLIS CHALMERS | SPRINGFIELD | IL |
| Allis Chalmers | Danville | IL |
| Allis Chalmers | Decatur | IL |
| ALLIS CHALMERS MANUFACTURING COMPANY | CHICAGO | IL |
| ALLIS CHALMERS MANUFACTURING COMPANY | HARVEY | IL |
| ALLIS CHALMERS MANUFACTURING COMPANY | HOOPESTON | IL |
| ALLIS CHALMERS MFG. CO. | SPRINGFIELD | IL |
| ALLIS-CHALMERS COMPANY | CHICAGO | IL |
| ALLIS-CHALMERS CORPORATION | SPRINGFIELD | IL |
| ALLIS-CHALMERS MANUFACTURING COMPANY | SPRINGFIELD | IL |
| ALLOY ENGINEERING AND CAS | CHAMPAIGN | IL |
| Allrew Chemical | Covington | IL |
| Allstate | Northbrook | IL |
| ALLSTATE INSURANCE COMPANY – CORPORATE HEADQUARTERS | NORTHBROOK | IL |
| Alpine Builders | Zion | IL |
| ALSIK BRICK COMPANY | CHICAGO | IL |
| Altgeld Annex, 7007 S. Loomis | Chicago | IL |
| ALTGELD MURRAY HOME – 940 EAST 132ND STREET | CHICAGO | IL |
| ALTON BOX BOARD | ALTON | IL |
| ALTON BOX BOARD #4 PAPER MILL | ALTON | IL |
| ALTON BOX BOARD AND PAPER COMPANY | ALTON | IL |
| ALTON BOX BOARD AND PAPER COMPANY | FEDERAL | IL |
| ALTON BOX BOARD COMPANY | ALTON | IL |
| ALTON BRICK COMPANY | GALESBURG | IL |
| ALTON DRY CLEANING | EAST ALTON | IL |
| ALTON GAS AND ELECTRIC COMPANY – POWER PLANT | EAST ALTON | IL |
| ALTON JACKSONVILLE PEORIA RAILWAY | ALTON | IL |
| Alton Memorial Hospital | Alton | IL |
| ALTON MEMORIAL HOSPITAL | EAST ALTON | IL |
| ALTON POWERHOUSE | ALTON | IL |
| Alton Powerhouse | East Alton | IL |
| ALTON RAILROAD COMPANY | BLOOMINGTON | IL |
| ALTON RAILROAD COMPANY | CHICAGO | IL |
| ALTON STATE HOSPITAL | ALTON | IL |
| ALTON STATE HOSPITAL – MEDICAL & SURGICAL BLDG | ALTON | IL |
| ALTON STEAM LAUNDRY COMPANY | ALTON | IL |
| ALTON STEEL COMPANY | ALTON | IL |
| Alton Water Company | Alton | IL |
| ALUMINUM CASTINGS CORP | GALESBURG | IL |
| ALUMINUM COMPANY | RIVERDALE | IL |
| ALUMINUM COMPANY OF AMERICA | RIVERDALE | IL |
| ALUMINUM COMPANY OF AMERICA | EAST ST. LOUIS | IL |
| ALUMINUM COMPANY OF AMERICA | MCCOOK | IL |
| ALUMINUM COMPANY OF AMERICA | ROSICLARE | IL |
| ALUMINUM COMPANY OF AMERICA REFINING DIVISION | ROSICLARE | IL |
| ALUMINUM CORPORATION OF AMERICA | BELLWOOD | IL |
| ALUMINUM MFG CO | SILVIS | IL |
| ALUMINUM ORE COMPANY | EAST ST. LOUIS | IL |
| ALUMINUM ORE COMPANY | ROSICLARE | IL |
| ALUMINUM PLANT | ALTON | IL |
| AMAX ALUMINUM | JOLIET | IL |
| AMAX ALUMINUM | MORRIS | IL |
| Amax Aluminum Mill Prod. | Morris | IL |
| AMAX ALUMINUM MILL PRODUCTS | MORRIS | IL |
| Amax Coal Company | Campbell Hill | IL |
| AMBOY DAIRY | AMBOY | IL |
| Amco Co. | Chicago | IL |
| Amelia Earhart Elementary School, 1710 E. 93rd St. | Chicago | IL |
| AMEREN CORP. ELECTRIC ENERGY INC. JOPPA Generating Station | Joppa | IL |
| AMEREN U.E. | VENICE | IL |
| AMERENCILCO | BARTONVILLE | IL |
| AMERGEN ENERGY COMPANY, LLC | COFFEEN | IL |
| AMERGEN ENERGY COMPANY, LLC | GRAND TOWER | IL |
| AMERICAN AIR FILTER COMPANY, INCORPORATED | MORRISON | IL |
| American Airlines | Chicago | IL |
| AMERICAN AIRLINES | CICERO | IL |
| AMERICAN BANK NOTE | CHICAGO | IL |
| AMERICAN BANK NOTE COMPANY – EAST 20TH STREET | CHICAGO | IL |
| American Bosch Corporation | Springfield | IL |
| AMERICAN BOTTLE COMPANY | STREATOR | IL |
| American Brake Shoe & Foundry Company | Chicago | IL |
| American Brake Shoe & Foundry Company | Chicago Heights | IL |
| AMERICAN BRAKE SHOE AND FOUNDRY COMPANY | CHICAGO | IL |
| AMERICAN BRAKE SHOE AND FOUNDRY COMPANY | CHICAGO HEIGHTS | IL |
| AMERICAN BRAKE SHOE COMPANY | CHICAGO | IL |
| AMERICAN BRIDGE COMPANY | CHICAGO | IL |
| AMERICAN CAN COMPANY | CHICAGO | IL |
| AMERICAN CAN COMPANY | ENGLEWOOD | IL |
| AMERICAN CAN COMPANY | JOLIET | IL |
| AMERICAN CAN COMPANY | MAYWOOD | IL |
| AMERICAN CAR | MADISON | IL |
| American Car & Foundry Company | Madison | IL |
| AMERICAN CAR AND FOUNDRY COMPANY | MADISON | IL |
| AMERICAN CAR AND FOUNDRY COMPANY | CHICAGO | IL |
| AMERICAN CEREAL COMPANY | CHICAGO | IL |
| AMERICAN CHICLE COMPANY | ROCKFORD | IL |
| American Cocoanut Butter | Chicago | IL |
| American Coconut Butter Co. | Chicago | IL |
| American Collord | Skokie | IL |
| American Commercial Alcohol Corp. | Pekin | IL |
| American Commercial Barge Lines | Alton | IL |
| American Container | Rock Island | IL |
| AMERICAN CREOSOTING CO. | MARION | IL |
| AMERICAN CUTLERY COMPANY | CHICAGO | IL |
| AMERICAN CYANAMID COMPANY | JOLIET | IL |
| AMERICAN DENTAL ASSOCIATION BUILDING | CHICAGO | IL |
| American Distillery | Pekin | IL |
| AMERICAN DISTILLING | PEKIN | IL |
| AMERICAN DISTILLING COMPANY | PEKIN | IL |
| AMERICAN ENGINEERING COMPANY OF MEXICO | CHICAGO | IL |
| AMERICAN ENVELOPE | CHICAGO | IL |
| AMERICAN FURNITURE MART CORPORATION | CHICAGO | IL |
| AMERICAN GLUCOSE COMPANY | PEORIA | IL |
| AMERICAN GRANITE | LAGRANGE | IL |
| AMERICAN GRANITE CO. | CHICAGO | IL |
| AMERICAN GUNITE | JOLIET | IL |
| AMERICAN GUNITE CO | LA GRANGE | IL |
| AMERICAN HAIR & FELT | CHICAGO | IL |
| AMERICAN HIDE AND LEATHER COMPANY | CHICAGO | IL |
| AMERICAN HOECHST CORPORATION | OTTAWA | IL |
| AMERICAN HOMINY COMPANY | DECATUR | IL |
| American Industrial Mfg. Co | Chicago | IL |
| AMERICAN INDUSTRIAL SERVICE COMPANY | CHICAGO | IL |
| AMERICAN INSTITUTE OF LAUNDERING | JOLIET | IL |
| AMERICAN INSTITUTE OF LAUNDRY | JOLIET | IL |
| AMERICAN LAUNDRY INSTITUTE | JOLIET | IL |
| AMERICAN LICORICE COMPANY | CHICAGO | IL |
| AMERICAN LINEN SUPPLY | CHICAGO | IL |
| AMERICAN LINEN SUPPLY CO. | CHICAGO | IL |
| AMERICAN LUMBER AND TREATING COMPANY | CHICAGO | IL |
| AMERICAN MACHINE AND METALS, INCORPORATED | EAST MOLINE | IL |
| AMERICAN MAIZE – BLDG 17 | CHICAGO | IL |
| AMERICAN MALTING COMPANY | CHICAGO | IL |
| AMERICAN MALTING COMPANY | KENSINGTON | IL |
| American Manganese Steel Division | Chicago Heights | IL |
| AMERICAN MANGANESE STEEL DIVISION PLANT | CHICAGO HEIGHTS | IL |
| AMERICAN MANUFACTURING COMPANY | EAST ST. LOUIS | IL |
| AMERICAN MEDICAL ASSOCIATION BUILDING | CHICAGO | IL |
| American Metal Climax | Grundy County | IL |
| AMERICAN MOLASSES COMPANY | CHICAGO | IL |
| AMERICAN MOLASSES COMPANY, SUCREST CORPORATION | CHICAGO | IL |
| AMERICAN OIL | CHICAGO | IL |
| AMERICAN OIL | WOOD RIVER | IL |
| American Oil – No. 5 Pipe Still | Woodriver | IL |
| AMERICAN OIL CO | WOOD RIVER | IL |
| AMERICAN OIL CO – ILLINOIS TERMINAL | WOOD RIVER | IL |
| AMERICAN OIL COMPANY | WOODRIVER | IL |
| AMERICAN OIL COMPANY | WOOD RIVER | IL |
| American Oil Company | Chicago | IL |
| American Oil Company | East Chicago | IL |
| American Oil Company (Amoco) | Chicago | IL |
| American Oil Company / Amoco | Wood River | IL |
| AMERICAN OIL* | CHICAGO | IL |
| AMERICAN POTASH & CHEMICAL CORPORATION | WEST CHICAGO | IL |
| AMERICAN PRINTERS | CHICAGO | IL |
| American Radiator & Standard Sanitary Co. | Litchfield | IL |
| AMERICAN RADIATOR AND STANDARD SANITARY CORPORATION | LITCHFIELD | IL |
| AMERICAN RADIATOR COMPANY | LITCHFIELD | IL |
| AMERICAN RADIATOR COMPANY | CHICAGO | IL |
| AMERICAN REFRACTORIES COMPANY | ROCKDALE | IL |
| AMERICAN ROLLING MILL CORPORATION | CHICAGO | IL |
| AMERICAN S. AND W. COMPANY | JOLIET | IL |
| AMERICAN SHEET & TIN PLATE COMPANY | CHICAGO | IL |
| AMERICAN SHEET AND TIN PLATE COMPANY | CHICAGO | IL |
| AMERICAN SHIP BUILDING COMPANY | CHICAGO | IL |
| AMERICAN SHIPBUILDERS* | CHICAGO | IL |
| American Shipbuilding | Chicago | IL |
| American Shipbuilding/shipyard | Chicago | IL |
| American Smelting | Alton | IL |
| AMERICAN SMELTING AND REFINING COMPANY | SOUTH CHICAGO | IL |
| AMERICAN SPIRAL PIPE COMPANY | CHICAGO | IL |
| AMERICAN SPIRITS MANUFACTURING COMPANY | PEORIA | IL |
| AMERICAN STANDARD | KEWANEE | IL |
| AMERICAN STANDARD INDUSTRIAL DIVISION | KEWANEE | IL |
| American Standard Manufacturing Co. | Chicago | IL |
| American Steel | Madison | IL |
| AMERICAN STEEL | EAST CHICAGO | IL |
| AMERICAN STEEL | EAST SAINT LOUIS | IL |
| AMERICAN STEEL | GRANITE CITY | IL |
| AMERICAN STEEL & WIRE | WAUKEGAN | IL |
| American Steel & Wire Co. | Joliet | IL |
| AMERICAN STEEL & WIRE COMPANY | WAUKEGAN | IL |
| AMERICAN STEEL AND WIRE COMPANY | MADISON | IL |
| AMERICAN STEEL AND WIRE COMPANY | CHICAGO | IL |
| AMERICAN STEEL AND WIRE COMPANY | DEKALB | IL |
| AMERICAN STEEL AND WIRE COMPANY | WAUKEGAN | IL |
| AMERICAN STEEL FOUNDRIES | GRANITE | IL |
| American Steel Foundries | Granite City | IL |
| AMERICAN STEEL FOUNDRIES – BLDG 17 | CHICAGO | IL |
| AMERICAN STEEL FOUNDRIES – EAST BROADWAY | E ST LOUIS | IL |
| AMERICAN STEEL FOUNDRIES [ALIAS] | GRANITE CITY | IL |
| AMERICAN STEEL FOUNDRIES COMPANY | CHICAGO | IL |
| American Steel Foundry | East St. Louis | IL |
| American Steel Foundry | Granite City | IL |
| AMERICAN STOVE COMPANY | HARVEY | IL |
| AMERICAN STRAWBOARD COMPANY | WELMINGTON | IL |
| AMERICAN STRAWBOARD COMPANY | QUINCY | IL |
| AMERICAN STRAWBOARD COMPANY | CHICAGO | IL |
| AMERICAN TAR PRODUCTS COMPANY | CHICAGO | IL |
| AMERICAN THOMAS PROD COMPANY | MACOMB | IL |
| AMERICAN URETHANE | CHICAGO | IL |
| American Water Works & Electric Company | Alton | IL |
| AMERICAN WOODWORKING COMPANY – NORTH LOWELL AVENUE | CHICAGO | IL |
| American Zinc | Sauget | IL |
| AMERICAN ZINC | EAST SAINT LOUIS | IL |
| AMERICAN ZINC | FAIRMONT CITY | IL |
| AMERICAN ZINC | TAYLOR SPRINGS | IL |
| AMERICAN ZINC CO. OF ILLINOIS | FAIRMONT CITY | IL |
| AMERICAN ZINC CO. OF ILLINOIS – FAIRMOUNT PLANT | EAST ST. LOUIS | IL |
| AMERICAN ZINC COMPANY OF ILLINOIS | MONSANTO | IL |
| AMERICAN ZINC COMPANY OF ILLINOIS | MILLSBORO | IL |
| AMERICAN ZINC COMPANY OF ILLINOIS | HILLSBORO | IL |
| American Zinc Lead & Smelt | Monsanto | IL |
| AMERITECH | CHICAGO | IL |
| AMEROCK CORP | ROCKFORD | IL |
| AMEROCK CORPORATION | ROCKFORD | IL |
| AMETEK, INCORPORATED | EAST MOLINE | IL |
| Amoco Chemical | Joliet | IL |
| AMOCO CHEMICAL COMPANY | Joliet | IL |
| Amoco Chemical Corp | Wood River | IL |
| AMOCO CHEMICAL CORP. | JOLIET | IL |
| Amoco Chemical Corporation | Joliet | IL |
| AMOCO CHEMICALS CORP. | JOLIET | IL |
| AMOCO CHEMICALS CORPORATION | JOLIET | IL |
| AMOCO CORPORATION | WOOD RIVER | IL |
| AMOCO CORPORATION – NAPERVILLE RESEARCH CAMPUS – BUILDING 603 | NAPERVILLE | IL |
| AMOCO OIL | WOOD RIVER | IL |
| Amoco Oil / American Oil Company | Joliet | IL |
| AMOCO OIL COMPANY | WOOD RIVER | IL |
| AMOCO OIL REFINERY | JOLIET | IL |
| Amoco Oil Refinery | Wood River | IL |
| Amoco Oil Refinery | Hartford | IL |
| AMOCO-STANDARD OIL | WOOD RIVER | IL |
| Amphenol | Cicero | IL |
| AMSCO DIV ABES CORPORATION | CHICAGO HEIGHTS | IL |
| AMSCO PLUMBING | GRANITE CITY | IL |
| AMSCO PLUMBING AND HEATING | GRANITE CITY | IL |
| AMSTED INDUSTRIES INCORPORATED | GRANITE CITY | IL |
| ANACONDA WIRE & CABLE | SYCAMORE | IL |
| Anaconda Wire & Cable Company | Sycamore | IL |
| ANACONDA WIRE AND CABLE COMPANY | SYCAMORE | IL |
| ANCHOR COUPLING COMPANY | LIBERTYVILLE | IL |
| ANCHOR HOCKING GLASS CO | GURNEE | IL |
| ANDERSON AND BARR | STREATOR | IL |
| ANDERSON ELECTRIC – DANVILLE BRANCH OFFICE | Danville | IL |
| Anderson Elementary, 1148 Honore | Chicago | IL |
| ANDERSON TIRE COMPANY | EAST SAINT LOUIS | IL |
| ANDERSON TOOL & MANUFACTURING | CHICAGO | IL |
| ANDREW BENSON INC. | DES PLAINES | IL |
| Andrews Asbestos & Rubber Co | Chicago | IL |
| ANETSBERGER BROTHERS – ELSTON AVENUE | CHICAGO | IL |
| ANGEL GUARDIAN ORPHANAGE | CHICAGO | IL |
| ANGLO AMERICAN PROVISION COMPANY | CHICAGO | IL |
| ANGLO SWISS CONDENSED MILK COMPANY | DIXON | IL |
| ANLIN CO. OF ILLINOIS – ILLINOIS TERM. RR. ANLIN SIDING | WOOD RIVER | IL |
| ANLIN COMPANY | WOOD RIVER | IL |
| ANLIN COMPANY | HARTFORD | IL |
| Anna State Hospital | Anna | IL |
| ANNAWAN GRADE SCHOOL | ANNAWAN | IL |
| ANTON GIOLITTO | ROCKFORD | IL |
| AO SMITH | KANKAKEE | IL |
| Ap Green | Chicago | IL |
| Ap Green | Blue Island | IL |
| APEX SMELTING | CHICAGO | IL |
| APEX SMELTING CO. | CHICAGO | IL |
| APEX SMELTING COMPANY | CHICAGO | IL |
| APOLLO S. & L. | CHICAGO | IL |
| APPLE RIVER CHEMICAL | EAST DUBUQUE | IL |
| APPLE RIVER CHEMICAL CO | EAST DUBUQUE | IL |
| APPLE RIVER CHEMICAL COMPANY | E. DUBUQUE | IL |
| Apple River Chemical Company | East Dubuque | IL |
| Appleton Electric | CHICAGO | IL |
| Applied Technology Corp | Chicago | IL |
| ARAMARK UNIFORM SERVICES, INCORPORATED | SPRINGFIELD | IL |
| ARBUCKLE, RYAN & COMPANY, INCORPORATED | GALESBURG | IL |
| ARBUCKLE, RYAN & COMPANY, INCORPORATED | OTTAWA | IL |
| ARCADE MANUFACTURING DIVISION OF ROCKWELL MANUFACTURING COMPANY | FREEPORT | IL |
| Archbishop Quigley Preparatory Seminary | Chicago | IL |
| Archer Daniels | Decatur | IL |
| ARCHER DANIELS MIDLAND | DECATUR | IL |
| ARCHER DANIELS MIDLAND | GRANITE CITY | IL |
| ARCHER DANIELS MIDLAND CO. | PEORIA | IL |
| Archer Daniels Midland Co. | Decatur | IL |
| ARCHER DANIELS MIDLAND COMPANY | DECATUR | IL |
| ARCHER DANIELS MIDLAND COMPANY | MAPLETON | IL |
| ARCHER DANIELS MIDLAND COMPANY | BLOOMINGTON | IL |
| ARCHER DANIELS MIDLAND COMPANY | PEORIA | IL |
| ARCHER DANIELS MIDLAND COMPANY | GALESBURG | IL |
| ARCHER DANIELS MIDLAND COMPANY | TAYLORVILLE | IL |
| ARCHER-DANIELS MIDLAND COMPANY | CHICAGO | IL |
| ARCOLE MIDWEST CORPORATION | CHICAGO | IL |
| ARCOLE MIDWEST CORPORATION | JOLIET | IL |
| ARCOLE MIDWEST CORPORATION | SKOKIE | IL |
| ARDMORE APARTMENTS | CHICAGO | IL |
| Argo Corn Products | Bedford Park | IL |
| ARGO CORN PRODUCTS | ARGO | IL |
| Argo Corporation | Chicago | IL |
| ARGONE NATIONAL SUB – BUBBLE CHAMBER | ARGONNE | IL |
| Argonne Laboratory | Chicago | IL |
| Argonne Laboratory Powerhouse | Willow Springs | IL |
| Argonne National Lab | Willowsprings | IL |
| Argonne National Lab | Chicago | IL |
| ARGONNE NATIONAL LAB | LEMONT | IL |
| Argonne National Lab | Williow Springs | IL |
| Argonne National Lab | Argonne | IL |
| ARGONNE NATIONAL LAB – BLDG 17 | CHICAGO | IL |
| ARGONNE NATIONAL LAB. | ARGONNE | IL |
| ARGONNE NATIONAL LAB. | LEMONT | IL |
| ARGONNE NATIONAL LABORATORIES | LEMONT | IL |
| ARGONNE NATIONAL LABORATORIES | ARGONNE | IL |
| ARGONNE NATIONAL LABORATORY | LEMONT | IL |
| ARGONNE NATIONAL LABORATORY – ATOMIC ENERGY – BLDG 17 | CHICAGO | IL |
| ARGONNE NATIONAL LABS | LEMONT | IL |
| ARGONNE POWERHOUSE | WILLOW SPRINGS | IL |
| Argyl Manufacturing Co | Chicago | IL |
| Aristo Mat Inc | Chicago | IL |
| ARKELL SAFETY BAG COMPANY | CLEARING | IL |
| ARLINGTON HIGH SCHOOL | ARLINGTON HEIGHTS | IL |
| ARLINGTON PARK RACE TRACK | ARLINGTON HEIGHTS | IL |
| Arlington Park Race Track, Jockey Club | Arlington Heights | IL |
| ARMCO CHEMICAL | JOLIET | IL |
| ARMENIAN GENERAL BENEVOLENT UNION – NORTH HARLEM AVENUE | CHICAGO | IL |
| Armour | Chicago | IL |
| ARMOUR & CO – UNION STOCK YARDS – MORRIS BOILERHOUSE | CHICAGO | IL |
| Armour & Company | Chicago | IL |
| Armour & Company | East St. Louis | IL |
| Armour & Company | McCook | IL |
| Armour & Company | St. Clair County | IL |
| ARMOUR & COMPANY | KANKAKEE | IL |
| ARMOUR & COMPANY | STERLING | IL |
| ARMOUR & COMPANY | ROCK FALLS | IL |
| ARMOUR & COMPANY | BRADLEY | IL |
| ARMOUR AND COMPANY | KANKAKEE | IL |
| ARMOUR AND COMPANY | CHICAGO | IL |
| ARMOUR AND COMPANY | EAST ST. LOUIS | IL |
| Armour Dial | Aurora | IL |
| ARMOUR DIAL, INCORPORATED | MONTGOMERY | IL |
| Armour Glue Factory | Chicago | IL |
| ARMOUR GLUE WORKS | CHICAGO | IL |
| ARMOUR INDUSTRIAL CHEMICAL | MCCOOK | IL |
| ARMOUR INSTITUTE | CHICAGO | IL |
| Armour Pharmaceuticals | Kankakee | IL |
| Armour Plant | Chicago | IL |
| ARMOUR PLANT | MCCOOK | IL |
| ARMOUR SOAP WORKS | CHICAGO | IL |
| ARMOUR, INCORPORATED | PARK FOREST | IL |
| ARMSTER COMPANY | CHICAGO | IL |
| ARMSTER COMPANY | CHICAGO HEIGHTS | IL |
| ARMSTRONG BROTHERS TOOL COMPANY | CHICAGO | IL |
| Armstrong Contracting & Supply | Chicago | IL |
| Armstrong Contracting & Supply | Rondout | IL |
| ARMSTRONG CONTRACTING & SUPPLY CORPORATION | ROSEMONT | IL |
| Armstrong Contracting & Supply Corporation | Roxana | IL |
| Armstrong Contracting & Supply Corporation | Wood River | IL |
| Armstrong Contracting & Supply Corporation | Des Plaines | IL |
| Armstrong Cork | Kankakee | IL |
| Armstrong Cork | Chicago | IL |
| ARMSTRONG CORK COMPANY | CHICAGO | IL |
| ARMSTRONG CORK COMPANY | DECATUR | IL |
| ARMSTRONG CORK COMPANY | KANKAKEE | IL |
| ARMSTRONG WORLD INDUSTRIES – FLOOR TILE PLANT | KANKAKEE | IL |
| ARMY MUNITIONS PLT – AREA NBR 1 | ELWOOD | IL |
| ARNOLD BROS | CHICAGO | IL |
| ARNOLD COMPANY | CHICAGO | IL |
| Arnold Engineering | Marengo | IL |
| ARNOLD ENGINEERING COMPANY | MARENGO | IL |
| ARNOLD ENGINEERING COMPANY – MANUFACTURING PLANT | MARENGO | IL |
| ARROW SERVICE | CHICAGO | IL |
| ART BIEBEL | EAST ST. LOUIS | IL |
| Arundel Corp. For C.I. & V. | Dam Site Station | IL |
| Asbestos & Magnesia Material Company | Chicago | IL |
| ASBESTOS & MAGNESIA MATERIALS | CHICAGO | IL |
| Asbestos & Magnesia Materials Co. | Chicago | IL |
| ASBESTOS AND MAGNESIA MATERIALS CO. | CHICAGO | IL |
| ASHLAND CHEMICAL | MAPLETON | IL |
| ASHLAND CHEMICAL | BERKLEY | IL |
| ASHLAND CHEMICAL COMPANY FOUNDRY | BLOOMINGTON | IL |
| ASHLAND CHEMICAL COMPANY FOUNDRY | DECATUR | IL |
| ASHLAND HIGH SCHOOL – BLDG 17 | CHICAGO | IL |
| Ashland Oil & Refinery Company | Salem | IL |
| Ashley Daniel Powerhouse | Decatur | IL |
| ASHLEY WIRE COMPANY | JOLIET | IL |
| ASSUMPTION CATHOLIC HIGH SCHOOL | EAST ST. LOUIS | IL |
| ATCHINSON, TOPEKA AND SANTA FE RAILWAY COMPANY | CHICAGO | IL |
| ATCHISON, TOPEKA & SANTA FE RAILWAY | CHICAGO | IL |
| ATLAS FORGING COMPANY | CICERO | IL |
| ATLAS FORGINGS | CHICAGO | IL |
| ATLAS FORGINGS | CICERO | IL |
| Atwood Automotive Industries | Rockford | IL |
| ATWOOD VACUUM MACHINE COMPANY | HAVANA | IL |
| AUDY HOME – JUVENILE DETENTION CENTER | CHICAGO | IL |
| AUGUST NEWMAN | CHICAGO | IL |
| AUGUSTANA COLLEGE – CARVER CENTER FOR PHYSICAL EDUCATION | ROCK ISLAND | IL |
| AUGUSTANA HOSPITAL | CHICAGO | IL |
| AULLMAN COMPANY | CHICAGO | IL |
| AUNT MARY’S YARNS AND CRAFTS | ROCHELLE | IL |
| AURORA AUTOMATIC MACHINE COMPANY | AURORA | IL |
| AURORA HIGH SCHOOL | AURORA | IL |
| AURORA PAPER BOARD COMPANY | AURORA | IL |
| AURORA STREET RAILWAY COMPANY | AURORA | IL |
| AUSTIN COMPANY | CHICAGO | IL |
| Austin Floor Covering | Chicago | IL |
| AUSTIN MANUFACTURING COMPANY | HARVEY | IL |
| AUSTIN MIDDLE SCHOOL | CHICAGO | IL |
| AUSTIN-WESTERN COMPANY | AURORA | IL |
| AUTO-LITE BATTERY CORPORATION | WOODSTOCK | IL |
| AUTOGAS | BELLWOOD | IL |
| AUTOMATIC LIFT TRUCK | CHICAGO | IL |
| AUTOMOTIVE CONTROLS CORPORATION | LITCHFIELD | IL |
| AUTOPOINT COMPANY | CHICAGO | IL |
| AVENTIS BEHRING | BRADLEY | IL |
| AVERY MANUFACTURING COMPANY | PEORIA | IL |
| AVIATION ENGINE PLANT | MELROSE PARK | IL |
| AZZCO BUILDERS SUPPLY | KANKAKEE | IL |
| B & G Biolers | Elgin | IL |
| B D Farnam | Lyons | IL |
| B F GOODRICH CHEMICAL COMPANY | HENRY | IL |
| B. BRODY HEATING | CHICAGO | IL |
| B. SHOESMITH ELEMENTARY SCHOOL | CHICAGO | IL |
| B.F. GOODRICH CHEMICAL COMPANY | HENRY | IL |
| BABCOCK & WILCOX | BALDWIN | IL |
| BABSON BROTHERS CO | OAKBROOK | IL |
| BABSON BROTHERS CO. | OAK BROOK | IL |
| BABSON BROTHERS COMPANY | OAKBROOK | IL |
| BADENOCH BROTHERS | CHICAGO | IL |
| BADENOCH BROTHERS | ENGLEWOOD | IL |
| BADER SOY PRODUCTS COMPANY | VERMONT | IL |
| BADGER PLANT INC | STICKNEY | IL |
| BAIRD CHEMICAL IND., INC. | MAPLETON | IL |
| BAKELITE CORP. | OTTAWA | IL |
| BAKELITE CORPORATION | OTTAWA | IL |
| Baldwin Powerhouse | Baldwin | IL |
| BALDWIN POWERHOUSE | MARION | IL |
| Baldwin-Ehert-Hill Inc | Chicago | IL |
| Ball Brothers Glass | Hillsboro | IL |
| BALMORAL RACE TRACK | CRETE | IL |
| BALTIMORE & OHIO RAILROAD CO – DIVISION SK | CHICAGO | IL |
| BALTIMORE & OHIO RAILROAD CO. | CHICAGO | IL |
| BALTIMORE & OHIO RAILROAD COMPANY | SOUTH CHICAGO | IL |
| BALTIMORE & OHIO RAILROAD COMPANY – Chicago Terminal | CHICAGO | IL |
| BALZER & GARDNER | PEORIA | IL |
| BANDY CONSTRUCTION | LITCHFIELD | IL |
| BANK OF MARION | MARION | IL |
| BANK OF MASCOUTH | MASCOUTH | IL |
| BANKLING FUEL ENGR COMPANY | CHICAGO | IL |
| Banneker Elementary School, 6656 S. Normal St. | Chicago | IL |
| BARBER ASPHALT PAVING COMPANY | MADISON | IL |
| BARBER ASPHALT PAVING COMPANY | CHICAGO | IL |
| BARBER COLMAN | ROCKFORD | IL |
| BARBER GREEN CO. | AURORA | IL |
| BARBER-COLEMAN | LOVES PARK | IL |
| BARBER-COLMAN COMPANY | ROCKFORD | IL |
| BARBER-COLMAN COMPANY – ROCK STREET PLANT | ROCKFORD | IL |
| BARKLING INDUSTRIAL FURNA | CHICAGO | IL |
| BARKLING INDUSTRIAL FURNACE | CHICAGO | IL |
| BARNARD AND LEAS MANUFACTURING COMPANY | MOLINE | IL |
| BARR CLAY COMPANY | STREATOR | IL |
| BARRETT COMPANY | CHICAGO | IL |
| BARRETT DIVISION ALLIED CHEMICAL AND DYE CORPORATION | CHICAGO | IL |
| BARRETT DIVISION ALLIED CHEMICAL AND DYE CORPORATION | PEORIA | IL |
| BARRETT MANUFACTURING COMPANY | PEORIA | IL |
| BARRETT MANUFACTURING COMPANY | CHICAGO | IL |
| Barrett-Christie Co. | Chicago | IL |
| BARTHOLOMAE & LEICHT BREWING COMPANY | CHICAGO | IL |
| BARTHOLOMAE & ROESING BREWERY | CHICAGO | IL |
| BARTHOLOMAS CHAR. IRON AND ROESING PLANT | CHICAGO | IL |
| BARTLOW BROTHERS, INCORPORATED | HUSHVILLE | IL |
| BARTLOW BROTHERS, INCORPORATED | RUSHVILLE | IL |
| BARTONVILLE GRADE SCHOOL – PEORIA COUNTY | BARTONVILLE | IL |
| BARTONVILLE GRADE SCHOOL, PEORIA COUNTY | BARTONVILLE | IL |
| BASIC ENGINEERING | CHICAGO | IL |
| BASIC STEEL | RIVERDALE | IL |
| BASIC STEEL CORP | RIVERDALE | IL |
| Bass Elementary School, 6554 S. May | Chicago | IL |
| BASTIAN BLESING COMPANY | CHICAGO | IL |
| BATCHELDER-BEILIN CO | CHICAGO | IL |
| BAUER & BLACK | CHICAGO | IL |
| BAUERLE AND STARK COMPANY | CHICAGO | IL |
| BAUSKE BROS | WOODSTOCK | IL |
| BAUSKE BROTHERS & HINNER | WOODSTOCK | IL |
| BAXTER LABORATORIES | MORTON GROVE | IL |
| BAXTER LABORATORIES – CORPORATE HEADQUARTERS | DEERFIELD | IL |
| BAXTER LABORATORIES, INCORPORATED | MORTON GROVE | IL |
| Baxter Labs | Chicago | IL |
| BAY ISLAND DRAINAGE & LEVEE DISTRICT #1 | NEW BOSTON | IL |
| Bay Island Drainage & Lever Dist. #1 | Mercer County | IL |
| BEAR MANUFACTURING | ROCK ISLAND | IL |
| Bearcat Tire Company | Bedford Park | IL |
| BEARDSLEY & PIPER | CHICAGO | IL |
| BEATRICE CREAMERY COMPANY | CHICAGO | IL |
| BEATRICE FOODS COMPANY | CHICAGO | IL |
| BEATRICE FOODS COMPANY | NORTH LAKE | IL |
| BEATRICE FOODS COMPANY – 128 SOUTH LA SALLE STREET | CHICAGO | IL |
| BEATRICE FOODS COMPANY, 128 SOUTH LA SALLE ST. | CHICAGO | IL |
| BEAZER MATERIAL | GRANITE CITY | IL |
| Becco Inc. | Lemont | IL |
| Bechtel Corporation | Lawrenceville | IL |
| Bechtel Corporation | Robinson | IL |
| BECHTEL POWER | ROBINSON | IL |
| Becker Industries | Marseilles | IL |
| BEDFORD FOUNDRY DIVISION OF GENERAL MOTORS CORPORATION | CHICAGO | IL |
| BEDFORD STONE QUARRIES COMPANY, INCORPORATED | CHICAGO | IL |
| BEHLEN MANUFACTURING COMPANY | EL PASO | IL |
| BEHR JOSEPH & SONS, INCORPORATED | ROCKFORD | IL |
| BEHR JOSEPH AND SONS INC | ROCKFORD | IL |
| BEICH CANDY COMPANY | BLOOMINGTON | IL |
| BEICH PAUL F CO | BLOOMINGTON | IL |
| BELA SEATING COMPANY | CHICAGO | IL |
| BELCHER ELEVATOR | CHICAGO HEIGHTS | IL |
| Belden Corporation | Richmond | IL |
| Belden Corporation | Chicago | IL |
| BELDON CORP | WESTCHESTER | IL |
| BELKNAP (V) | CHICAGO | IL |
| Bell & Zoller Coal Company | Johnson City | IL |
| Bell & Zoller Coal Company | Tuscola | IL |
| BELL & GOSSETT CO. | MORTON GROVE | IL |
| Bell & Howell | Lincolnwood | IL |
| BELL & ZOLLER COAL COMPANY | JOHNSTON | IL |
| BELL & ZOLLER COAL COMPANY | MURDOCK | IL |
| BELL AND HOWELL COMPANY | LINCOLNWOOD | IL |
| BELL BOX CORPORATION | CHICAGO | IL |
| BELL FIBRE PRODUCTS COMPANY – EAST 83RD STREET | CHICAGO | IL |
| BELLAIRE STAMP COMPANY | HARVEY | IL |
| BELLEVILLE EAST HIGH SCHOOL | BELLEVILLE | IL |
| BELLEVILLE MEMORIAL HOSPITAL | BELLEVILLE | IL |
| BELMONT HOTEL | CHICAGO | IL |
| BELMONT RADIO CORPORATION | CHICAGO | IL |
| BELOIT FOUNDRY COMPANY | SOUTH BELOIT | IL |
| BELSON SCRAP & STEEL, INCORPORATED | KANKAKEE | IL |
| BELVIDERE DISTILLING COMPANY | BELVIDERE | IL |
| BELVIDERE SCREW & MACHINE COMPANY | BELVIDERE | IL |
| BELVIDERE SENIOR HIGH SCHOOL | FREEPORT | IL |
| BEMIS AND MCAVOY BREWING COMPANY | CHICAGO | IL |
| BEMIS BROTHERS BAG COMPANY | PEORIA | IL |
| BENEFIT TRUST LIFE INSURANCE COMPANY | CHICAGO | IL |
| BENEKE CORP | CHICAGO | IL |
| Benevolent Protective Order of Elks Club | Moline | IL |
| Benevolent Protective Order of Elks Club | Rock Island | IL |
| BENJAMIN ELECTRIC MANUFACTURING COMPANY – MANUFACTURING PLANT | DES PLAINES | IL |
| BENJAMIN ELECTRIC MFG CO | DES PLAINES | IL |
| BENJAMIN HARRIS | CHICAGO HEIGHTS | IL |
| BENJAMIN HARRIS & COMPANY | CHICAGO HEIGHTS | IL |
| BENNISON BUILDING | KEWANEE | IL |
| BERGGREN-TRAYNOR | LIBERTYVILLE | IL |
| BERNET, CRAFT & KAUFFMAN MILLING COMPANY | MT. CARMEL | IL |
| BESLY-WELLES CORPORATION | SOUTH BELIOT | IL |
| BESSER INDUSTRIES INC | ROANOKE | IL |
| BEST E PLUMBING & HEATING COMPANY | QUINCY | IL |
| BEST E PLUMBING AND HEATING | QUINCY | IL |
| BETHANY BIBLICAL SEMINARY – WEST VAN BUREN STREET | CHICAGO | IL |
| Bethesda Evangelical Covenant Church | Rockford | IL |
| Bethlehem Steel | Burns Harbor | IL |
| BF GOODRICH CHEMICAL COMPANY – HENRY CHEM PLNT | HENRY | IL |
| BIG FOUR RAILWAY COMPANY | MT. CARMEL | IL |
| Big Lake Drainage | Rushville | IL |
| BIG MEADOWS HOME FOR THE ELDERLY | SAVANNA | IL |
| Big Swan Drainage & Levee District | Winchester | IL |
| Bigelow Liptak Corporation | Chicago | IL |
| BINZEL INDUSTRIES | ELK GROVE VILLAGE | IL |
| BIRD AND SON COMPANY – ROOFING PLANT | CHICAGO | IL |
| BIRREN AND SONS FUNERAL HOME – CLARK STREET | CHICAGO | IL |
| BIRTMAN ELECTRIC COMPANY – WEST FULLERTON | CHICAGO | IL |
| BISBEE LINSEED | CHICAGO HEIGHTS | IL |
| BISHOP AND BABCOCK COMPANY | CHICAGO | IL |
| BLACK TOP ROADS | ELMHURST | IL |
| BLACK TOP ROADS | FRANKLIN PARK | IL |
| BLACK-TOP ROADS COMPANY | ELMHURST | IL |
| BLACKSTONE HOTEL | CHICAGO | IL |
| BLACKSTONE MANUFACTURING COMPANY | CHICAGO | IL |
| BLAW KNOX | EAST CHICAGO | IL |
| Blaw-Knox Chemical Co. | Mattoon | IL |
| BLAW-KNOX COMPANY | HENRY | IL |
| Blessing Hospital | Quincy | IL |
| BLOCKSON CHEMICAL COMPANY | JOLIET | IL |
| Blockson Chemical Plant | Joliet | IL |
| BLOOMINGTON AND NORMAL RAILWAY, ELECTRIC, AND HEATING COMPANY – POWER PLANT | BLOOMINGTON | IL |
| BLUE ISLAND FORGING | BLUE ISLAND | IL |
| Bluff City Minerals | Alton | IL |
| BOARD OF EDUCATION DISTRICT 64 – LINDBERG SCHOOL | NORTH CHICAGO | IL |
| BOARD OF EDUCATION SCHOOL DISTRICT 39 – HOWARD SCHOOL | WILMETTE | IL |
| BOARD OF EDUCATION, SOUTH SIDE VOCATIONAL SCHOOL | CHICAGO | IL |
| BOARD OF TRADE BUILDING | CHICAGO | IL |
| BODINE ELECTRIC COMPANY | CHICAGO | IL |
| BOHN ALUMINUM COMPANY – MANUFACTURING PLANT | DANVILLE | IL |
| Boiler Masonry & Incinerator | Chicago | IL |
| Boler Company | Chicago | IL |
| Bon Air Country Club | Evanston | IL |
| Bon Air Country Club | Chicago | IL |
| BON VILLA APARTMENTS | OAK PARK | IL |
| Bond Elementary School, 7050 S. May | Chicago | IL |
| BONELL MANUFACTURING | CHICAGO | IL |
| BONWIT TELLER DEPARTMENT STORE – NORTH MICHIGAN AVENUE | CHICAGO | IL |
| BOOTH AND THOMAS | SPRINGFIELD | IL |
| Borden Chemical | Jacksonville | IL |
| BORDEN CHEMICAL COMPANY | ILLIOPOLIS | IL |
| BORDEN CHEMICAL DIVISION OF BORDEN, INCORPORATED | ILLIOPOLIS | IL |
| BORDEN CHEMICAL DIVISION OF BORDEN, INCORPORATED | CHICAGO | IL |
| BORDEN CO. | WOODSTOCK | IL |
| BORDEN COMPANY | ROCK ISLAND | IL |
| BORDEN MILK COMPANY | ROCK ISLAND | IL |
| BORDEN, INCORPORATED | ILLIOPOLIS | IL |
| BORDENS CONDENSED MILK COMPANY | HUNTLEY | IL |
| BORDENS CONDENSED MILK COMPANY / ST. CHARLES CONDENSING COMPANY | CHEMUNG | IL |
| BORDEU COMPANY | CHICAGO | IL |
| Borg Warner | Chicago | IL |
| Borg Warner | Bellwood | IL |
| BORG WARNER CHEMICAL COMPANY | OTTAWA | IL |
| BORG-WARNER | DECATUR | IL |
| BORG-WARNER | MOUNT ZION | IL |
| BORG-WARNER BUILDING – MICHIGAN AVENUE | CHICAGO | IL |
| Borg-Warner Chemical | Chicago | IL |
| BORG-WARNER CORP | ROCKFORD | IL |
| BORG-WARNER CORP. | ROCKFORD | IL |
| BORG-WARNER CORP. | HERRIN | IL |
| BOSCH FOOD PRODUCTS COMPANY | PEORIA | IL |
| BOSTON STORE OF CHICAGO INC | CHICAGO | IL |
| BOULDER HILL ELEMENTARY SCHOOL | MONTGOMERY | IL |
| BOWMAN DAIRY COMPANY | CHICAGO | IL |
| BOYD MEMORIAL HOSPITAL | CARROLLTON | IL |
| BOYD, LUNHAM AND COMPANY | CHICAGO | IL |
| BRACH CANDY COMPANY | CHICAGO | IL |
| Bradford Supply Company | Salem | IL |
| Bradley University, Library | Peoria | IL |
| BRADY JL CO | E MOLINE | IL |
| Brand Insulation | Joliet | IL |
| Brand Insulation | Chicago | IL |
| BRAND INSULATIONS, INC. | CHICAGO | IL |
| Brand Insulations, Incorporated | Chicago | IL |
| BRASS FOUNDRY | PEORIA | IL |
| BRASS FOUNDRY CO | PEORIA | IL |
| BRAUN & FITTS | CHICAGO | IL |
| BREED POWERHOUSE | FAIRBANKS | IL |
| BREESE HOSPITAL | BREESE | IL |
| BRENNER BAKERY | CHICAGO | IL |
| BREUER ELECTRIC COMPANY | CHICAGO | IL |
| BRIDGESTONE FIRESTONE | DECATUR | IL |
| Bridgestone Tire | Decatur | IL |
| BRILLION IRON WORKS | BRILLION | IL |
| BRINKS INCORPORATED | CHICAGO | IL |
| BRITTEN SCHOOL | WESTCHESTER | IL |
| Broadrick & Bascom Steel Rope | Peoria | IL |
| Broderick & Bascom Inc | Melrose Park | IL |
| BRODY SEATING COMPANY | CHICAGO | IL |
| BROOKFIELD SAVINGS AND LOAN – GRAND BOULEVARD | BROOKFIELD | IL |
| BRUCE INCINERATOR CORP | BLUE ISLAND | IL |
| BRULE INCINERATOR CORP | BLUE ISLAND | IL |
| Brule Incinerators | Blue Island | IL |
| BRUNSWICK BUILDING | CHICAGO | IL |
| BRUNSWICK RADIO CORP | SPRINGFIELD | IL |
| BRUNSWICK-BALKE-COLLENDER COMPANY | CHICAGO | IL |
| BRUSH TOWERS | CARBONDALE | IL |
| BUCKEYE CHEESE FACTORY | CEDARVILLE | IL |
| BUDA COMPANY | HARVEY | IL |
| BUICK AVIATION | CHICAGO | IL |
| BUICK JET ENGINE PLANT | WILLOW SPRINGS | IL |
| BUICK MOTOR DIVISION, GENERAL MOTORS CORPORATION | MELROSE PARK | IL |
| BUICK MOTOR DIVISION, GENERAL MOTORS CORPORATION | CHICAGO | IL |
| BUILDERS BUILDING | CHICAGO | IL |
| BUILDERS SUPPLY CO INC | AURORA | IL |
| BUILDERS SUPPLY CO. | AURORA | IL |
| BUILDING #51 | HAWTHORNE | IL |
| BUILDING PRODUCTS | BELLEVILLE | IL |
| BULK TERMINALS (Calumet Harbor Terminal) | CHICAGO | IL |
| BUNGE CORPORATION | BRADLEY | IL |
| BUNGE EDIBLE OIL CORPORATION | KANKAKEE | IL |
| BUNKER RAMO CORP | BROADVIEW | IL |
| BUNKER-RAMO CORPORATION, INDUS DIVISION | CICERO | IL |
| BUNNY BREAD BAKERY | ANNA | IL |
| BURDETT | FOREST PARK | IL |
| BURDETT OXYGEN | MORRIS | IL |
| Burgess Battery Co. | Freeport | IL |
| BURGESS BATTERY COMPANY | FREEPORT | IL |
| Burgess Norton Manufacturing | Geneva | IL |
| BURGESS, INCORPORATED | FREEPORT | IL |
| BURKE SCHOOL | CHICAGO | IL |
| BURKHART MANUFACTURING CO | CAIRO | IL |
| Burlington Northern | Galesburg | IL |
| Burlington Northern & Santa Fe Railroad | Cicero | IL |
| BURLINGTON NORTHERN & SANTA FE RAILROAD SHOPS | NOT PROVIDED | IL |
| BURLINGTON NORTHERN INC | CHICAGO | IL |
| BURLINGTON NORTHERN INC. | CHICAGO | IL |
| Burlington Northern Railroad | Galesburg | IL |
| BURLINGTON NORTHERN SANTA FE (RAILROAD) | CHICAGO | IL |
| Burlington Northern Santa Fe Railway Company | Chicago | IL |
| BURLINGTON PAVING BRICK COMPANY | YALESBURG | IL |
| BURN ZOL CORPORATION | PEORIA | IL |
| BURNEY BROTHERS BAKERY | NORTHLAKE | IL |
| BURNHAM CITY HOSPITAL | CHAMPAIGN | IL |
| BURNSIDE STEEL FOUNDRY | CHICAGO | IL |
| BURNY BROTHERS, INCORPORATED | CHICAGO | IL |
| BURNY BROTHERS, INCORPORATED | NORTH LAKE | IL |
| BURSON KNITTING COMPANY | ROCKFORD | IL |
| BURTON AUTO SPRING CORP | CHICAGO | IL |
| BURTON AUTO SPRING CORPORATION | CHICAGO | IL |
| BURTON AUTO SPRINGS | CHICAGO | IL |
| BUTLER BROS | CHICAGO | IL |
| BUTLER BROS CO | CHICAGO | IL |
| BUTLER BROTHERS | CHICAGO | IL |
| BUTLER MANUFACTURING COMPANY | GALESBURG | IL |
| BUTLER MFG CO | GALESBURG | IL |
| BY-PRODUCTS COKE CORPORATION | SOUTH CHICAGO | IL |
| BY-PRODUCTS COKE CORPORATION | SOLVAY | IL |
| BY-PRODUCTS COKE CORPORATION | SOUTH DEERING | IL |
| Byron Powerhouse | Byron | IL |
| C & D DESIGN ENGINEERING COMPANY | EAST SAINT LOUIS | IL |
| C & D DESIGN ENGINEERING COMPANY | WASHINGTON PARK | IL |
| C & I – OLD POWDER PLANT | ORDILL | IL |
| C B AND Q RAILROAD CO | CHICAGO | IL |
| C TEK INSUL SERV | BLOOMINGTON | IL |
| C. BRUNING COMPANY | MT. PROSPECT | IL |
| C. E. REFRACTORIES | AURORA | IL |
| C. N. A. BUILDING | CHICAGO | IL |
| C.B. PRIDE RHINELANDER PAPER COMPANY | CHICAGO | IL |
| C.C. ANDREWS INTERNATIONAL | CHICAGO | IL |
| C.D. CASH AND COMPANY | CHICAGO | IL |
| C.E. BILLIN AND COMPANY | CHICAGO | IL |
| C.E. Crane Company | Skokie | IL |
| C.E. LARSON & SONS | CHICAGO | IL |
| C.F. CLAUSSEN AND SONS | CHICAGO | IL |
| C.F. FOOTE | IPAVA | IL |
| CABLE COMPANY | CHICAGO | IL |
| CABLE MEMORIAL HOSP | URBANA | IL |
| CABOT CORP | TUSCOLA | IL |
| Cabot Corporation | Tuscola | IL |
| Cabrini Green Housing | Chicago | IL |
| CAHOKIA RACE TRACK | CAHOKIA | IL |
| CAIRO AND ST. LOUIS RAILWAY | DANVILLE | IL |
| CAIRO AND ST. LOUIS RAILWAY | CAIRO | IL |
| CAIRO POWER PLANT | CAIRO | IL |
| CAIRO RAILWAY AND LIGHT COMPANY – STEAM PLANT | CAIRO | IL |
| CAIRO WATER CO | CAIRO | IL |
| CALIFORNIA PACKING CORPORATION | ROCHELLE | IL |
| CALIFORNIA PACKING CORPORATION | DEKALB | IL |
| CALIFORNIA PACKING CORPORATION | MENDOTA | IL |
| CALIFORNIA PAPERBOARD CORPORATION | MORTON GROVE | IL |
| CALIFORNIA STEEL | CHICAGO | IL |
| CALUMET | CHICAGO | IL |
| CALUMET BRICK COMPANY | BLUE ISLAND | IL |
| CALUMET CHEMICAL COMPANY | JOLIET | IL |
| CALUMET PORLAND CEMENT COMPANY | CHICAGO | IL |
| CALUMET REFINING | BURNHAM | IL |
| Calumet Shipyard | Calumet Harbor | IL |
| Calumet Shipyard & Dry Dock | Chicago | IL |
| Calumet Steel | Chicago | IL |
| CALUMET STEEL COMPANY | CHICAGO HEIGHTS | IL |
| Calumet Steel Division | Chicago Hts | IL |
| CALUMET TERMINAL | CHICAGO | IL |
| CALUMET WET WASH LAUNDRIES | CHICAGO | IL |
| CALUMET WORKS | HEGEWISCH | IL |
| CAMBELL SOUP COMPANY | CHICAGO | IL |
| CAMBRIDGE HIGH SCHOOL | CAMBRIDGE | IL |
| CAMBRIDGE HOUSE ASSOCIATION | DES PLAINS | IL |
| Camp Boone | Great Lakes | IL |
| Camp Decatur | Great Lakes | IL |
| Camp Dewey | Great Lakes | IL |
| Camp Farragut | Great Lakes | IL |
| Camp Grant | Rockford | IL |
| Camp Lawrence | Great Lakes | IL |
| Camp Perry | Great Lakes | IL |
| Camp Ross | Great Lakes | IL |
| CAMPBELL SOUP COMPANY | CHICAGO | IL |
| CAMPBELL SOUP COMPANY | WEST CHICAGO | IL |
| CAMPBELL SOUP COMPANY – SOUP MANUFACTURING PLANT | CHICAGO | IL |
| CAN-AM INDUSTRIES | QUINCY | IL |
| CANAL RANDOLPH CORPORATION | CHICAGO | IL |
| CANFIELD CLINIC – ALPINE ROAD | ROCKFORD | IL |
| CANTON GAS AND ELECTRIC COMPANY – ELECTRIC PLANT | CANTON | IL |
| Canton High School extension | Canton | IL |
| CAPITOL PLBG AND HTGT SUPP | E PEORIA | IL |
| CARDOX CORPORATION | CHICAGO | IL |
| CARGILL INC. – BLDG 17 | CHICAGO | IL |
| CARGILL, INCORPORATED | CHICAGO | IL |
| CARL PRUSSING CEMENT WORKS | CHICAGO | IL |
| CARL PRUSSING CEMENT WORKS | LASALLE | IL |
| CARL SANDBURG VILLAGE | CHICAGO | IL |
| CARL SCHURZ HIGH SCHOOL | CHICAGO | IL |
| CARLE MEMORIAL HOSP | URBANA | IL |
| CARLE MEMORIAL HOSPITAL | URBANA | IL |
| CARLING BREWERY | BELLEVILLE | IL |
| CARLING BREWING CO | BELLEVILLE | IL |
| CARLYLE PAPER COMPANY | CARLYLE | IL |
| CARNATION | JACKSONVILLE | IL |
| CARNEGIE ILLINOIS STEEL CORPORATION | CHICAGO | IL |
| CARNEGIE ILLINOIS STEEL CORPORATION | SOUTH CHICAGO | IL |
| Carnegie-Illinois Steel Corp. | Carnegie | IL |
| CARNEGIE-ILLINOIS STEEL CORP. (U.S. Steel) – SOUTHWEST PLANT | SOUTH CHICAGO | IL |
| CARON INTERNATIONAL, INCORPORATED | ROCHELLE | IL |
| Caron Yarn | Rochelle | IL |
| Carpentersville Village | Carpentersville | IL |
| CARSON PAYSON COMPANY | DANVILLE | IL |
| Carson Pirie Scott | Chicago | IL |
| CARSON PIRIE SCOTT & CO. | CHICAGO | IL |
| CARSON PIRIE SCOTT & CO. – BOILER ROOM | CHICAGO | IL |
| CARTER G. WOODSON LIBRARY – SOUTH HALSTED STREET | CHICAGO | IL |
| Carter Oil Company | St. Elmo | IL |
| CARTERVILLE PUBLIC LIBRARY – CITY HALL | CARTERVILLE | IL |
| CARUS CHEMICAL CO INC | LA SALLE | IL |
| CARUS CHEMICAL COMPANY, INCORPORATED | LA SALLE | IL |
| CARUS CHEMICAL COMPANY, INCORPORATED | LASALLE | IL |
| CASCADE REFINING CO | SALEM | IL |
| CASE AND MARTIN COMPANY | CHICAGO | IL |
| CASE J I | ROCKFORD/ROCK ISLAND | IL |
| CASE J I CO | ROCK ISLAND | IL |
| CASE MANUFACTURING CO. | ROBINSON | IL |
| Casey Municipal Light Plant | Casey | IL |
| CASPER TIN PLATE | CHICAGO | IL |
| CAST RITE ALUMINUM | CHICAGO | IL |
| CASTROL, INCORPORATED | NORTH AURORA | IL |
| CAT, INCORPORATED | EAST PEORIA | IL |
| Caterpillar | Joliet | IL |
| Caterpillar | East Peoria | IL |
| Caterpillar | Aurora | IL |
| Caterpillar | Mossville | IL |
| Caterpillar | Morton | IL |
| Caterpillar | Peoria | IL |
| Caterpillar | Pekin | IL |
| Caterpillar | Galesbury | IL |
| Caterpillar | Decatur | IL |
| Caterpillar | Mapleton | IL |
| Caterpillar Plant | Joliet | IL |
| CATERPILLAR TRACTOR | MONTGOMERY | IL |
| CATERPILLAR TRACTOR CO | JOLIET | IL |
| CATERPILLAR TRACTOR CO | MONTGOMERY | IL |
| CATERPILLAR TRACTOR CO | MOSSVILLE | IL |
| CATERPILLAR TRACTOR CO | DECATUR | IL |
| CATERPILLAR TRACTOR CO | AURORA | IL |
| CATERPILLAR TRACTOR CO | MORTON | IL |
| CATERPILLAR TRACTOR CO | PEORIA | IL |
| CATERPILLAR TRACTOR CO – BUILDING D | DECATUR | IL |
| CATERPILLAR TRACTOR CO – WING 1-7 | MOSSVILLE | IL |
| CATERPILLAR TRACTOR CO PLT | MAPLETON | IL |
| CATERPILLAR TRACTOR CO. | JOLIET | IL |
| CATERPILLAR TRACTOR CO. | MOSSVILLE | IL |
| CATERPILLAR TRACTOR CO. | MAPLETON | IL |
| Caterpillar Tractor Co. | East Peoria | IL |
| Caterpillar Tractor Co. | Peoria | IL |
| CATERPILLAR TRACTOR COMPANY | PEORIA | IL |
| CATERPILLAR TRACTOR COMPANY | DECATUR | IL |
| CATERPILLAR TRACTOR COMPANY | AURORA | IL |
| CATERPILLAR TRACTOR COMPANY | JOLIET | IL |
| CATERPILLAR TRACTOR COMPANY | EAST PEORIA | IL |
| CATERPILLAR TRACTOR COMPANY | SPRINGFIELD | IL |
| CATERPILLAR TRACTOR COMPANY | MOSSVILLE | IL |
| Caterpillar Tractor Company | E. Peoria | IL |
| Caterpillar Tractor Company | Mapleton | IL |
| CATERPILLAR TRACTOR COMPANY – CORPORATE HEADQUARTERS BUILDING | PEORIA | IL |
| CATERPILLAR TRACTOR COMPANY – INDUSTRIAL DIV. | MOSSVILLE | IL |
| CATERPILLAR TRACTOR COMPANY – RAILROAD BUILDING | EAST PEORIA | IL |
| CATERPILLAR TRACTOR COMPANY, RAILROAD BUILDING | EAST PEORIA | IL |
| CATERPILLAR TRACTOR PLANT | JOLIET | IL |
| CATERPILLER TRACTOR COMPANY | EAST PEORIA | IL |
| Ce Glass Company | Bensonville | IL |
| Ce Refractories | Aurora | IL |
| CELANESE FIBERS COMPANY | WILMINGTON | IL |
| CELOTEX CORPORATION | DES PLAINES | IL |
| CELOTEX CORPORATION | GRANITE CITY | IL |
| CELOTEX CORPORATION | QUINCY | IL |
| CELOTEX CORPORATION | VENICE | IL |
| CELOTEX CORPORATION | PEORIA | IL |
| CELOTEX CORPORATION (a/k/a The Lehon Company) | WILMINGTON | IL |
| CELOTEX RESEARCH CENTER | DES PLAINES | IL |
| CEMENT PLANT | SOUTH CHICAGO | IL |
| CENTER HILL SCHOOL | MT. CARROLL | IL |
| CENTRAL ASBESTOS & MAGNESIA CO. | CHICAGO | IL |
| CENTRAL BOX BOARD COMPANY | ROCK FALLS | IL |
| Central Catholic High School | East St. Louis | IL |
| Central Cold Storage Co. | Chicago | IL |
| CENTRAL COMMUNITY HOSPITAL | CHICAGO | IL |
| CENTRAL DIE CASTING | CHICAGO | IL |
| CENTRAL DISTRICT FILTRATION PLANT | CHICAGO | IL |
| Central Farmers Fertilizers Company | Chicago | IL |
| CENTRAL FIBRE PRODUCTS COMPANY (a/k/a Celotex Corp.; Packaging Corp. of America) | QUINCY | IL |
| CENTRAL FOUNDRIES DIVISION GMC | DANVILLE | IL |
| CENTRAL FOUNDRY | DANVILLE | IL |
| CENTRAL FOUNDRY DIVISION | DANVILLE | IL |
| CENTRAL GROCERS | FRANKLIN PARK | IL |
| CENTRAL GROCERS COOPERATIVE, INC | CHICAGO | IL |
| CENTRAL ICE COMPANY | MOUNDS | IL |
| Central Ill Electric & Gas Co – Sabrooke Station | Rockford | IL |
| Central Illinios Electric & Gas Co | Rockford | IL |
| Central Illinois Electric & Gas Co | Rockford | IL |
| CENTRAL ILLINOIS ELECTRIC & GAS CO | LINCOLN | IL |
| CENTRAL ILLINOIS ELECTRIC & GAS CO – SAYBROOK | ROCKFORD | IL |
| Central Illinois Electric & Gas Company | Rockford | IL |
| Central Illinois Electric & Gas Sabrooke Station | Rockford | IL |
| CENTRAL ILLINOIS ELECTRIC AND GAS COMPANY – FORDHAM POWER PLANT | ROCKFORD | IL |
| CENTRAL ILLINOIS LIGHT – KEYSTONE STATION | BARTONVILLE | IL |
| Central Illinois Light Co | Peoria | IL |
| Central Illinois Light Co | East Peoria | IL |
| Central Illinois Light Co LaMarsh Station | Sommer | IL |
| Central Illinois Light Co.- Duck Creek Power Station | Canton | IL |
| Central Illinois Light Co.- Edwards Station | Bartonville | IL |
| CENTRAL ILLINOIS LIGHT COMPANY | PEORIA | IL |
| Central Illinois Light Company – Duck Creek Station | Canton | IL |
| Central Illinois Light Company – E.D. Edwards Generating Station | Bartonville | IL |
| Central Illinois Light Company – E.D. Edwards Generating Station – Track 7 | Bartonville | IL |
| CENTRAL ILLINOIS LIGHT COMPANY – EDWARDS STATION POWER PLANT | BARTONVILLE | IL |
| Central Illinois Light Company – Liberty Street Station | Peoria | IL |
| Central Illinois Light Company – Wallace Station | East Peoria | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE | HUTSONVILLE | IL |
| Central Illinois Public Service | Meredosia | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE – Coffeen Power Station | COFFEEN | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE – Hutsonville Powerhouse | HUTSONVILLE | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE – Meredosia Power Station | MEREDOSIA | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE – Newton Power Station | NEWTON | IL |
| Central Illinois Public Service Co | Hutsonville | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE CO – HUTSONVILLE POWER STATION | HUTSONVILLE | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE CO – HUTSONVILLE POWER STATION – UNIT 1 | HUTSONVILLE | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE CO – MEREDOSIA POWER PLANT | MEREDOSIA | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE CO – MEREDOSIA POWER PLANT – UNIT 3 | MEREDOSIA | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE CO. | COFFEEN | IL |
| Central Illinois Public Service Co.- Coffeen Power Station | Coffeen | IL |
| Central Illinois Public Service Co.- Meredosia Power Station | Meredosia | IL |
| Central Illinois Public Service Company | Grand Tower | IL |
| Central Illinois Public Service Company | Hudsonville | IL |
| Central Illinois Public Service Company | Newton | IL |
| Central Illinois Public Service Company | Springfield | IL |
| Central Illinois Public Service Company | Hutsonville | IL |
| Central Illinois Public Service Company | Coffeen | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE COMPANY | MEREDOSIA | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE COMPANY | MATTOON | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE COMPANY | TAYLORVILLE | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE COMPANY | HARRISBURG | IL |
| CENTRAL ILLINOIS PUBLIC SERVICE COMPANY – COFFEEN POWER STATION | COFFEEN | IL |
| Central Illinois Public Service Company – Coffeen Power Station – Unit 1 | Coffeen | IL |
| CENTRAL ILLINOIS UTILITIES COMPANY – WATSEKA GENERATING STATION | WATSEKA | IL |
| CENTRAL LINEN SERVICE | CHICAGO | IL |
| CENTRAL LOCOMOTIVE AND CAR WORKS | CHICAGO HEIGHTS | IL |
| CENTRAL MANUFACTURING DISTRICT | CHICAGO | IL |
| CENTRAL MATERIAL CO | CHAMPAIGN | IL |
| Central Park Pumping Station | Chicago | IL |
| CENTRAL PUBLIC SERVICE COMPANY | ROCKFORD | IL |
| Central Scientific Co | Chicago | IL |
| CENTRAL SERVICE CO | CHICAGO | IL |
| CENTRAL SOYA | GIBSON CITY | IL |
| CENTRAL SOYA | CHICAGO | IL |
| CENTRAL SOYA – 1825 NORTH LARAMIE AVENUE | CHICAGO | IL |
| CENTRAL SOYA CO. | CHICAGO | IL |
| CENTRAL SOYA COMPANY | CHICAGO | IL |
| CENTRAL STATES STEEL BOILER CO | CHICAGO | IL |
| CENTRAL STEEL AND WIRE COMPANY | CHICAGO | IL |
| Centralia Powerhouse | Centralia | IL |
| Century Chicago | Elk Grove Village | IL |
| CENTURY DISTILLING COMPANY | PEORIA | IL |
| CERRO | SUAGET | IL |
| CERRO | SAUGET | IL |
| Cerro | E. St. Louis | IL |
| CERRO COPPER | MADISON | IL |
| CERRO COPPER | SAUGET | IL |
| Cerro Copper & Brass | Sauget | IL |
| CERRO COPPER & BRASS COMPANY | EAST ST. LOUIS | IL |
| CERRO COPPER AND BRASS CO D | E ST LOUIS | IL |
| CERRO COPPER AND BRASS CO D | E ST. LOUIS | IL |
| CERRO COPPER PRODUCTS | E ST LOUIS | IL |
| Cerro Copper Products Company | Sauget | IL |
| Cerro Copper Products Company | IL | |
| CERRO COPPER PRODUCTS COMPANY | ST. LOUIS | IL |
| CERRO COPPER PRODUCTS COMPANY | EAST ST. LOUIS | IL |
| Certain-Teed Production Corporation | Marseilles | IL |
| CertainTeed | East St. Louis | IL |
| CETERPILLAR | MAPLETON | IL |
| CFC International | Argo | IL |
| Chambers Gasket And Mfg Co | Chicago | IL |
| CHAMPAIGN HIGH SCHOOL | PEORIA | IL |
| CHAMPAIGN OIL CO | CHAMPAIGN | IL |
| CHAMPION LAUDRY | CHICAGO | IL |
| CHAMPION LAUNDRY INC | CHICAGO | IL |
| Chanute Air Force Base | Rantoul | IL |
| CHANUTE FIELD | RANTOUL | IL |
| CHAPPELEE FURNACE REPAIR | HARWOOD HEIGHTS | IL |
| CHARLES BRUNING COMPANY | MT. PROSPECT | IL |
| CHARLES E. LARSON & SONS | CHICAGO | IL |
| CHARLES KAESTNER AND COMPANY | CHICAGO | IL |
| CHARLES PASSON AND SONS | CHICAGO | IL |
| CHARLES PFIZER & COMPANY | EAST ST. LOUIS | IL |
| CHARLES PFIZER & COMPANY | EAST SAINT LOUIS | IL |
| CHARLES POPE | CHICAGO | IL |
| CHARLES POPE | RIVERDALE | IL |
| CHARLES POPE GLUCOSE COMPANY | CHICAGO | IL |
| CHARLES POPE GLUCOSE COMPANY | RIVERDALE | IL |
| CHARLES POPE GLUCOSE COMPANY | GENEVA | IL |
| CHARLESTON HIGH SCHOOL | CHARLESTON | IL |
| CHARLESTON ILLUMINATING COMPANY | CHARLESTON | IL |
| Chatham Supply Service Co | Blue Island | IL |
| Chem Oil Corp. | Seneca | IL |
| Chem Oil Corp. | Danville | IL |
| Chemetco | Hartford | IL |
| CHEMETCO | ALTON | IL |
| CHEMICAL PETROLEUM EXCHANGE TERMINAL | FOREST VIEW | IL |
| Chemical Plant | Ottawa | IL |
| CHEMICAL PLANTS DIV. | HENRY | IL |
| CHEMPLEX COMPANY, GULF RD. AND HWY 53 | ROLLING MEADOWS | IL |
| Chevron / Pure Oil / Union Oil / Unocal | Lemont | IL |
| CHICAGO & METALS CO | CICERO | IL |
| CHICAGO & NORTHWESTERN (CNW) RAILROAD – SHOPS | NOT PROVIDED | IL |
| CHICAGO & NORTHWESTERN RAILWAY CO | CHICAGO | IL |
| Chicago & Northwestern Railway Company | Chicago | IL |
| Chicago & Northwestern RY Co. | Chicago | IL |
| CHICAGO AERIFROM CARBON COMPANY | CHICAGO | IL |
| CHICAGO AIR ROUTE TRAFFIC CONTROL CENTER | AURORA | IL |
| CHICAGO AIRCRAFT ASSEMBLY PLANT | CHICAGO | IL |
| CHICAGO AND ALTON RAILWAY COMPANY | BLOOMINGTON | IL |
| CHICAGO AND ALTON RAILWAY COMPANY | CHICAGO | IL |
| CHICAGO AND EASTERN ILLINOIS RAILROAD COMPANY | DOLTON | IL |
| CHICAGO AND EASTERN ILLINOIS RAILROAD COMPANY | DANVILLE | IL |
| CHICAGO AND EASTERN ILLINOIS RAILROAD COMPANY | VILLA GROOVE | IL |
| CHICAGO AND EASTERN ILLINOIS RAILROAD COMPANY | VILLA GROVE | IL |
| CHICAGO AND EASTERN ILLINOIS RAILROAD COMPANY | CHICAGO | IL |
| CHICAGO AND MILWAUKEE ELECTRIC RAILWAY COMPANY – POWER PLANT | CHICAGO | IL |
| CHICAGO AND MILWAUKEE ELECTRIC RAILWAY COMPANY – POWER PLANT | HIGHWOOD | IL |
| CHICAGO AND NORTHWESTERN RAILROAD COMPANY | CHICAGO | IL |
| CHICAGO AND NORTHWESTERN RAILWAY COMPANY | CHICAGO | IL |
| CHICAGO AND ST. LOUIS RAILROAD | CHICAGO | IL |
| CHICAGO AND WESTERN INDIANA RAILROAD COMPANY | CHICAGO | IL |
| CHICAGO AND WESTERN INDIANA RAILROAD COMPANY, AND THE BELT RAILWAY COMPANY OF CHICAGO | CLEARING | IL |
| Chicago Asbestos Mfg Co | Chicago | IL |
| CHICAGO ATHLETIC ASSOCIATION | CHICAGO | IL |
| Chicago Board Of Education | Chicago | IL |
| Chicago Board of Health Building | Chicago | IL |
| CHICAGO BOARD OF TRADE | CHICAGO | IL |
| CHICAGO BOARD OF TRADE BUILDING | CHICAGO | IL |
| Chicago Board of Trade Building, Quaker Oats Company | Chicago | IL |
| CHICAGO BRIDGE | CHICAGO | IL |
| Chicago Bridge & Iron | Peoria | IL |
| Chicago Bridge & Iron | Oak Brook | IL |
| CHICAGO BRIDGE & IRON COMPANY | CHICAGO | IL |
| CHICAGO BRIDGE AND IRON COMPANY | CHICAGO | IL |
| CHICAGO BRIDGE AND IRON COMPANY | SENECA | IL |
| Chicago Burlington & Quincy Railroad,Freight House | Chicago | IL |
| CHICAGO BURLINGTON AND QUINCY RAILROAD | CHICAGO | IL |
| CHICAGO BURLINGTON AND QUINCY RAILROAD COMPANY | CHICAGO | IL |
| CHICAGO BY-PRODUCTS COKE COMPANY | HAWTHORNE | IL |
| CHICAGO CARTON COMPANY | CHICAGO | IL |
| Chicago City Hall | Chicago | IL |
| CHICAGO CITY RAILWAY | CHICAGO | IL |
| Chicago Civic Center | Chicago | IL |
| Chicago Civic Center Building | Chicago | IL |
| Chicago Civic Opera House | Chicago | IL |
| CHICAGO COATED BOARD COMPANY | CHICAGO | IL |
| CHICAGO COATED BOARD, DIVISION ROBERT GAIR COMPANY | CHICAGO | IL |
| CHICAGO COKE OVEN PLANT | CHICAGO | IL |
| CHICAGO COLD STORAGE COMPANY | CHICAGO | IL |
| CHICAGO COLLEGE OF OSTEOPATHY | CHICAGO | IL |
| CHICAGO CONSOLIDATED TRACTION COMPANY | CHICAGO | IL |
| CHICAGO COPPER AND CHEMICAL COMPANY | BLUE ISLAND | IL |
| CHICAGO CROSSING COMPANY | WEST CHICAGO | IL |
| CHICAGO CSC | GLENVIEW | IL |
| Chicago Daily News Building, WMAQ Broadcasting Station, Studio A, | Chicago | IL |
| Chicago Department of Water Management – Jardine Water Purification Plant | Chicago | IL |
| Chicago Department of Water Management – Jardine Water Purification Plant – Bldg 17 | Chicago | IL |
| CHICAGO DX WELDING AND ENGI | CHICAGO | IL |
| CHICAGO EASTERN ILLINOIS RAILROAD COMPANY, FRISCO SYSTEM | CHICAGO | IL |
| CHICAGO EXTRUDED METAL COMPANY | CICERO | IL |
| CHICAGO EXTRUDED METALS C | CICERO | IL |
| CHICAGO FIRE BRICK CO | CHICAGO | IL |
| CHICAGO FIREBRICK | CHICAGO | IL |
| CHICAGO FREIGHT CAR LEASING COMPANY | CHICAGO | IL |
| CHICAGO GREAT WESTERN RAILWAY | CHICAGO | IL |
| CHICAGO HARDWARE & FOUNDRY CO | NORTH CHICAGO | IL |
| CHICAGO HEIGHTS IRON FOUNDRY – EAST TWELFTH STREET | CHICAGO HEIGHTS | IL |
| CHICAGO HISTORICAL SOCIETY | CHICAGO | IL |
| CHICAGO HOUSING AUTHORITY | CHICAGO | IL |
| CHICAGO HOUSING AUTHORITY, IDA B. WELLS PROJECT | CHICAGO | IL |
| Chicago Illinois 500 Railroad | Chicago | IL |
| CHICAGO INDIANAPOLIS AND LOUISVILLE RAILWAY | CHICAGO | IL |
| Chicago Insurance Engineering | Chicago | IL |
| CHICAGO INTERNATIONAL AIRPORT | CHICAGO | IL |
| CHICAGO JUNCTION | CHICAGO | IL |
| CHICAGO LABEL & BOX CO | CHICAGO | IL |
| CHICAGO MAGNET WIRE CO | ELK GROVE VILLAGE | IL |
| Chicago Magnet Wire Company | Elk Grove Village | IL |
| CHICAGO MAILING TUBE | CHICAGO | IL |
| CHICAGO METALLIC | CHICAGO | IL |
| CHICAGO METALLIC CORP | CHICAGO | IL |
| CHICAGO METALS CORP | CHICAGO | IL |
| CHICAGO MILL & LUMBER COMPANY | CHICAGO | IL |
| Chicago Mill Lumber Co. | Chicago | IL |
| CHICAGO MOLDED PRODUCTS | CHICAGO | IL |
| Chicago Molded Products Co. | Georgetown | IL |
| CHICAGO NATURAL HISTORY MUSEUM | CHICAGO | IL |
| Chicago Northwestern Railroad | Chicago | IL |
| Chicago O’Hare INTL Airport Heating & Refrigeration Plt. Gen #5 | Chicago | IL |
| CHICAGO PACKING COMPANY | CHICAGO | IL |
| CHICAGO PIPE & BOILER CO. – BLDG 17 | CHICAGO | IL |
| CHICAGO PNEUMATIC TOOL COMPANY | CHICAGO | IL |
| CHICAGO PORTLAND CEMENT COMPANY | CHICAGO | IL |
| CHICAGO PORTLAND CEMENT COMPANY | OGLESBY | IL |
| CHICAGO PORTLAND CEMENT COMPANY | LASALLE | IL |
| CHICAGO POST OFFICE | CHICAGO | IL |
| Chicago Public Schools | Chicago | IL |
| CHICAGO RAILWAYS COMPANY | CHICAGO | IL |
| Chicago Rawhide Manufacturing Co. | Chicago | IL |
| CHICAGO RAWHIDE MANUFACTURING COMPANY | ELGIN | IL |
| CHICAGO RAWHIDE MANUFACTURING COMPANY | CHICAGO | IL |
| CHICAGO RAWHIDE MANUFACTURING COMPANY – ELSTON AVE | CHICAGO | IL |
| CHICAGO RAWIDE MANUFACTURING | ELGIN | IL |
| CHICAGO REDUCTION COMPANY | CHICAGO | IL |
| CHICAGO RETORT AND FIRE BRICK COMPANY | OTTAWA | IL |
| Chicago Rock Island & Pacific R.R. | Chicago | IL |
| CHICAGO ROCK ISLAND & PACIFIC RAILROAD | SILVIS | IL |
| CHICAGO ROCK ISLAND & PACIFIC RAILROAD | CHICAGO | IL |
| CHICAGO ROCK ISLAND AND PAC | SILVIS | IL |
| CHICAGO ROCK ISLAND AND PACIFIC RAILWAY COMPANY | EAST MOLINE | IL |
| CHICAGO ROCK ISLAND AND PACIFIC RAILWAY COMPANY | SILOUS | IL |
| CHICAGO ROCK ISLAND AND PACIFIC RAILWAY COMPANY | SILVIS | IL |
| CHICAGO ROCK ISLAND R.R. | CHICAGO | IL |
| CHICAGO ROLLER SKATE | CHICAGO | IL |
| Chicago Sanitary Stickney Met. Water Reclamation District | Stickney | IL |
| CHICAGO SCREW COMPANY | BELLWOOD | IL |
| CHICAGO SEVEN UP | SKOKIE | IL |
| CHICAGO SOUTHERN RAILWAY COMPANY | CHICAGO | IL |
| CHICAGO SOUTHERN RAILWAY COMPANY | FAITHORN | IL |
| CHICAGO STATE HOSPITAL | CHICAGO | IL |
| CHICAGO STATE HOSPITAL – NEW POWER PLANT | Chicago | IL |
| CHICAGO STEEL & WIRE CO | CHICAGO | IL |
| Chicago Steel Coundry Company addition | IL | |
| CHICAGO STEEL SERVICE | CHICAGO | IL |
| Chicago Stock Exchange, State Bank Building | Chicago | IL |
| CHICAGO SUBURBAN LIGHT AND POWER COMPANY – POWER PLANT | OAK PARK | IL |
| CHICAGO SUGAR REFINING COMPANY | CHICAGO | IL |
| CHICAGO SURFACE LINES | CHICAGO | IL |
| Chicago Telephone Co | Chicago | IL |
| CHICAGO TITLE & TRUST | CHICAGO | IL |
| CHICAGO UNION STATION COMPANY | CHICAGO | IL |
| CHICAGO UNION TRACTION COMPANY | CHICAGO | IL |
| CHICAGO UNION TRANSFER RAILWAY COMPANY | CHICAGO | IL |
| CHICAGO VIEW HOTEL | CHICAGO | IL |
| CHICAGO VITREOUS CORPORATION | PARIS | IL |
| CHICAGO WESLEY HOSPITAL | CHICAGO | IL |
| CHICAGO, BURLINGTON & QUINCY RAILROAD COMPANY | CHICAGO | IL |
| CHICAGO, LAKE SHORE AND EASTERN RAILWAY COMPANY | CHICAGO | IL |
| Chicago, Milwaukee, St. Paul & Pacific R.R. | Chicago | IL |
| CHICKASAW WOOD PRODUCTS CO | PEKIN | IL |
| CHILDREN’S MEMORIAL HOSPITAL | CHICAGO | IL |
| CHILDRENS MEMORIAL HOSPITAL | CHICAGO | IL |
| Chillicothe High School | Chillicothe | IL |
| CHISTIN MANUFACTURING COMPANY | HARVEY | IL |
| CHOATE MENTAL HEALTH AND DEVELOPMENT CENTER | ANNA | IL |
| CHRIST COMMUNITY HOSPITAL | OAK LAWN | IL |
| CHRISTOPHER COAL MINING COMPANY | CHRISTOPHER | IL |
| Christy Coal | Galesburg | IL |
| Christy Firebrick | Wood River | IL |
| Christy Firebrick | Monsanto | IL |
| CHROMIUM MINING & SMELTING | CHICAGO | IL |
| CHRONICLE PUBLISHING COMPANY | ST. CHARLES | IL |
| CHRYSLER | BELVEDERE | IL |
| CHRYSLER CORP | BELVIDERE | IL |
| CHRYSLER CORP – ASSEMBLY PLANT | BELVIDERE | IL |
| Chrysler Corporation | Chicago | IL |
| Church of the Immaculate Conception; Hales Franciscan H.S. | Chicago | IL |
| Cilco | Edwards Station | IL |
| Circle Shop | Rock Island | IL |
| CITIES SERVICE OIL CO | EAST CHICAGO | IL |
| Cities Service Oil Company | East Chicago | IL |
| CITIZENS’ GAS LIGHT AND HEATING COMPANY – GAS PLANT | BLOOMINGTON | IL |
| CITY OF BLOOMINGTON | BLOOMINGTON | IL |
| City of Chicago | Chicago | IL |
| CITY OF CHICAGO – CENTRAL MUNICIPAL HEATING PL | CHICAGO | IL |
| CITY OF CHICAGO – MAYFAIR PUMPING STATION | CHICAGO | IL |
| CITY OF CHICAGO – WESTERN AVE. PUMPING STATION | CHICAGO | IL |
| CITY OF CHICAGO 39TH ST. PUMPING STATION | CHICAGO | IL |
| City of Chicago Garbage Incinerator, S.W. Incinerator | Chicago | IL |
| CITY OF CHICAGO ROSELAND PUMPING STATION | CHICAGO | IL |
| CITY OF CHICAGO, HOUSE OF CORRECTION | CHICAGO | IL |
| CITY OF CHICAGO- SOUTHWEST INCINERATOR PLANT | CHICAGO | IL |
| CITY OF FAIRFIELD – MUNICIPAL POWER PLANT | FAIRFIELD | IL |
| CITY OF FLORA – LIGHT PLANT | FLORA | IL |
| City of Highland Power Plant | Highland | IL |
| CITY OF JOLIET WATER WORKS COMPANY – WATER WORKS | JOLIET | IL |
| CITY OF MOLINE – WATER WORKS | MOLINE | IL |
| City of Rockford Sewage Treatment Plant | Rockford | IL |
| CITY OF SALEM – LIGHT PLANT | SALEM | IL |
| CITY OF SANDWICH – POWER PLANT | SANDWICH | IL |
| City Of Springfield | Springfield | IL |
| City Water Department | Lincoln Park | IL |
| CIVIC CENTER | CHICAGO | IL |
| CIVIC OPERA BLDG | CHICAGO | IL |
| CLAIRTON BY-PRODUCTS COKE WORKS / CARNEGIE ILLINOIS STEEL COMPANY | CARNEGIE | IL |
| CLARCK OIL & REFINING | BLUE ISLAND | IL |
| CLARK AND WILSON WIRE AND SPG. COMPANY | JOLIET | IL |
| CLARK BROTHERS COMPANY, INCORPORATED | PEORIA | IL |
| CLARK EQUIP CO CHICAGO CA | CHICAGO | IL |
| CLARK EQUIPMENT CO | AURORA | IL |
| CLARK OIL | WOOD RIVER | IL |
| Clark Oil | Blue Island | IL |
| Clark Oil | Hartford | IL |
| Clark Oil | Madison | IL |
| Clark Oil | Chicago | IL |
| Clark Oil & Refining Co | Hartford | IL |
| CLARK OIL & REFINING CO – BLDG 17 | CHICAGO | IL |
| CLARK OIL & REFINING CO. | BLUE ISLAND | IL |
| CLARK OIL & REFINING CORP. | HARTFORD | IL |
| CLARK OIL & REFINING CORPORATION | BLUE ISLAND | IL |
| CLARK OIL – BLDG 17 | CHICAGO | IL |
| CLARK OIL – PROCON INCORPORATED – BLDG 17 | CHICAGO | IL |
| CLARK OIL AND REFINING CO | BLUE ISLAND | IL |
| CLARK OIL AND REFINING CO | HARTFORD | IL |
| Clark Oil Co. | Hartford | IL |
| Clark Oil Co. | Blue Island | IL |
| CLARK OIL COMPANY | HARTFORD | IL |
| CLARK OIL COMPANY | WOOD RIVER | IL |
| Clark Oil Company | Blue Island | IL |
| CLARK OIL REFINERY | HARTFORD | IL |
| Clark Oil Refinery | Blue Island | IL |
| CLARK OIL REFINING | HARTFORD | IL |
| Claude L. Lyon Elementary School | Glenview | IL |
| CLAYTON F. MARK COMPANY | CHICAGO | IL |
| CLAYTON MARK & CO | CHICAGO | IL |
| CLAYTON MARK & COMPANY | EVANSTON | IL |
| CLEARING INDUSTRIAL DISTRICT | CHICAGO | IL |
| CLEARING SMELTING CORP | CHICAGO | IL |
| CLEVELAND, CINCINNATI, CHICAGO AND ST. LOUIS RAILWAY | LYONS | IL |
| CLEVELAND, CINCINNATI, CHICAGO AND ST. LOUIS RAILWAY | MATTOON | IL |
| CLEVELAND, CINCINNATI, CHICAGO AND ST. LOUIS RAILWAY COMPANY | URBANA | IL |
| CLEVELAND, CINCINNATI, CHICAGO AND ST. LOUIS RAILWAY COMPANY | MATTOON | IL |
| CLIFFORD JACOBS FORGING C | CHAMPAIGN | IL |
| CLIFFORD JACOBS FORGING COMPANY | CHAMPAIGN | IL |
| CLIFFORD-JACOBS FORGING COMPANY | CHAMPAIGN | IL |
| Cline Plumbing | Glenview | IL |
| CLINTON CORN PROCESSING CO. | MOLINE | IL |
| CLINTON FULTON BUILDING | CHICAGO | IL |
| CLINTON GAS COMPANY – GAS PLANT | CLINTON | IL |
| CLINTON POWERHOUSE | CLINTON | IL |
| CLINTON REALTY | CHICAGO | IL |
| CLINTON REALTY ASSOCIATION | CHICAGO | IL |
| CLINTON ROSETTE MIDDLE SCHOOL | DEKALB | IL |
| CLOW CORPORATION | BENSENVILLE | IL |
| CNA BUILDING | CHICAGO | IL |
| CNA CENTER – SOUTH WABASH AVENUE | CHICAGO | IL |
| Co Henriksen | Chicago | IL |
| COACH TRACK STUB #1 | PEORIA | IL |
| COACH TRACK STUB 1 | PEORIA | IL |
| COACHLIGHT MANOR | PROSPECT HEIGHTS | IL |
| COCA COLA COMPANY | CHICAGO | IL |
| Coffeen Power House | Coffeen | IL |
| COFFEEN POWERHOUSE | COFFEEN | IL |
| COGNIS CORPORATION | KANKAKEE | IL |
| COLEMAN CABLE CO | RIVER GROVE | IL |
| COLLIER CARBON & CHEMICAL | LEMONT | IL |
| Collinsville Housing Project | IL | |
| COLT INDUSTRIES FAIRBANKS | EAST MOLINE | IL |
| COLT INDUSTRIES FAIRBANKS, MORSE DIVISION | EAST MOLINE | IL |
| COLUMBIA CLEANERS | CHICAGO | IL |
| COLUMBIA SHADE CLOTH COMPANY | WEST PULLMAN | IL |
| COLUMBIA TOOL STEEL COMPANY | CHICAGO HEIGHTS | IL |
| COLUMBIA TOOL STEEL COMPANY | CHICAGO | IL |
| COLUMBUS HOSPITAL | CHICAGO | IL |
| COMBUSTION ENGINEERING | NORTH BROOK | IL |
| COMMANDING OFFICER | ROCK ISLAND | IL |
| Commerce Office Plaza | Oak Brook | IL |
| COMMERCIAL NATIONAL SAFE DEPOSIT COMPANY | CHICAGO | IL |
| Commercial Solvents Corp. | Peoria | IL |
| COMMERCIAL SOLVENTS CORPORATION | PEORIA | IL |
| Commercial Stamping & Forging | Chicago | IL |
| COMMON WEALTH EDISON CO | KINCAID | IL |
| COMMONWEALTH EDISON | PEKIN | IL |
| Commonwealth Edison | Morris | IL |
| Commonwealth Edison | Kincaid | IL |
| Commonwealth Edison | Chicago | IL |
| Commonwealth Edison | Waukegan | IL |
| Commonwealth Edison | Powerton | IL |
| COMMONWEALTH EDISON – BYRON NUCLEAR GENERATING STATION | Byron | IL |
| Commonwealth Edison – Collins Generating Station | Morris | IL |
| COMMONWEALTH EDISON – COLLINS GENERATING STATION – UNIT 5 | MORRIS | IL |
| COMMONWEALTH EDISON – DRESDEN NUCLEAR POWER STATION | MORRIS | IL |
| COMMONWEALTH EDISON – KINCAID POWER STATION | Kincaid | IL |
| Commonwealth Edison – Northbrook Substation | Northbrook | IL |
| COMMONWEALTH EDISON – RIDGELAND STATION | STICKNEY | IL |
| COMMONWEALTH EDISON CO | ROCKDALE | IL |
| COMMONWEALTH EDISON CO | JOLIET | IL |
| COMMONWEALTH EDISON CO – CALUMET STATION | CHICAGO | IL |
| COMMONWEALTH EDISON CO – CRAWFORD STATION | CHICAGO | IL |
| COMMONWEALTH EDISON CO – DRESDEN NUCLR STATION | MORRIS | IL |
| COMMONWEALTH EDISON CO – FISK STATION | CHICAGO | IL |
| COMMONWEALTH EDISON CO – Greenwood Ave. | WAUKEGAN | IL |
| COMMONWEALTH EDISON CO – KINCAID PROJECT | KINCAID | IL |
| COMMONWEALTH EDISON CO – KINCAID STATION | ELLIS | IL |
| COMMONWEALTH EDISON CO – KINCAID STATION | KINCAID | IL |
| COMMONWEALTH EDISON CO – KINCAID STATION – UNIT 1 | ELLIS | IL |
| COMMONWEALTH EDISON CO – KINCAID STATION – UNIT 2 | ELLIS | IL |
| COMMONWEALTH EDISON CO – KINCAID STATION – UNIT 2 | KINCAID | IL |
| COMMONWEALTH EDISON CO – KINCAID STATION – UNIT NBR 1 1/4 | ELLIS | IL |
| COMMONWEALTH EDISON CO – KINCAID STATION – UNIT NBR 11 | ELLIS | IL |
| COMMONWEALTH EDISON CO – KINCAID STATION – UNITS 1 & I | ELLIS | IL |
| COMMONWEALTH EDISON CO – KINCAID STATION – UNITS 1 AND 2 | ELLIS | IL |
| COMMONWEALTH EDISON CO – NORTHWEST STATION | CHICAGO | IL |
| Commonwealth Edison Co – Powerton Generating Station | Kincaid | IL |
| COMMONWEALTH EDISON CO – POWERTON STATION | PEKIN | IL |
| COMMONWEALTH EDISON CO – QUAD CITIES NUCLEAR | CORDOVA | IL |
| COMMONWEALTH EDISON CO – WILL COUNTY | ROMEOVILLE | IL |
| COMMONWEALTH EDISON CO – WILL COUNTY | JOLIET | IL |
| Commonwealth Edison Co. | Joliet | IL |
| Commonwealth Edison Co. – Crawford Avenue Power Station | Chicago | IL |
| Commonwealth Edison Co.- Fisk Street Station | Chicago | IL |
| Commonwealth Edison Co.- Northwest Station | Chicago | IL |
| Commonwealth Edison Co.- Powerton Generating Station | Powerton | IL |
| Commonwealth Edison Co.- Waukegan Generating Station | Waukegan | IL |
| Commonwealth Edison Co.- Will County Generating Station | Romeoville | IL |
| COMMONWEALTH EDISON COMPANY | WAUKEDAN | IL |
| COMMONWEALTH EDISON COMPANY | PEKIN | IL |
| COMMONWEALTH EDISON COMPANY | JOLIET | IL |
| COMMONWEALTH EDISON COMPANY | KINCAID | IL |
| COMMONWEALTH EDISON COMPANY | STICKNEY | IL |
| Commonwealth Edison Company – Braidwood Nuclear Generating Station | Braceville | IL |
| COMMONWEALTH EDISON COMPANY – CALUMET POWER STATION | CHICAGO | IL |
| COMMONWEALTH EDISON COMPANY – DIXON PLANT | DIXON | IL |
| COMMONWEALTH EDISON COMPANY – DRESDEN NUCLEAR POWER STATION | MORRIS | IL |
| Commonwealth Edison Company – Dresden Nuclear Power Station – Unit 2 | Morris | IL |
| COMMONWEALTH EDISON COMPANY – EDISON BUILDING | CHICAGO | IL |
| COMMONWEALTH EDISON COMPANY – FISK GENERATING STATION | CHICAGO | IL |
| COMMONWEALTH EDISON COMPANY – FISK GENERATING STATION – UNIT 18 | CHICAGO | IL |
| COMMONWEALTH EDISON COMPANY – FISK GENERATING STATION – UNITS 2 AND 3 | CHICAGO | IL |
| COMMONWEALTH EDISON COMPANY – JOLIET GENERATING STATION | JOLIET | IL |
| COMMONWEALTH EDISON COMPANY – JOLIET GENERATING STATION – STATION 9 | JOLIET | IL |
| COMMONWEALTH EDISON COMPANY – KINCAID GENERATING STATION | KINCAID | IL |
| COMMONWEALTH EDISON COMPANY – KINCAID GENERATING STATION – UNITS 1 AND 2 | KINCAID | IL |
| COMMONWEALTH EDISON COMPANY – KINCAID POWER STATION | KINCAID | IL |
| Commonwealth Edison Company – Northwest Generating Station | Chicago | IL |
| Commonwealth Edison Company – Powerton Generating Station | Pekin | IL |
| COMMONWEALTH EDISON COMPANY – POWERTON STATION | PEKIN | IL |
| Commonwealth Edison Company – Quad Cities Nuclear Plant | Cordova | IL |
| COMMONWEALTH EDISON COMPANY – RIDGELAND STATION | STICKNEY | IL |
| COMMONWEALTH EDISON COMPANY – WAUKEGAN GENERATING STATION | WAUKEGAN | IL |
| COMMONWEALTH EDISON COMPANY – WAUKEGAN GENERATING STATION – UNIT 6 | WAUKEGAN | IL |
| COMMONWEALTH EDISON COMPANY – WILL COUNTY GENERATING STATION | ROMEOVILLE | IL |
| COMMONWEALTH EDISON COMPANY – ZION NUCLEAR POWER STATION | ZION | IL |
| COMMONWEALTH EDISON COMPANY, BYRON NUCLEAR | BYRON | IL |
| COMMONWEALTH EDISON COMPANY, COLLINS PLANT | GRUNDY COUNTY | IL |
| COMMONWEALTH EDISON COMPANY, CRAWFORD POWERHOUSE | CHICAGO | IL |
| COMMONWEALTH EDISON COMPANY, DRESDEN POWER | JOLIET | IL |
| COMMONWEALTH EDISON COMPANY, FISK STATION, UNIT 12 | CHICAGO | IL |
| Commonwealth Edison Company, Joliet Generating Station | Joliet | IL |
| COMMONWEALTH EDISON COMPANY, JOLIET POWER STATION | ROCKDALE | IL |
| COMMONWEALTH EDISON COMPANY, NORTHWEST STATION | CHICAGO | IL |
| COMMONWEALTH EDISON COMPANY, OFFICE BUILDING | CHICAGO | IL |
| COMMONWEALTH EDISON COMPANY, POWERTON STATION | PEKIN | IL |
| COMMONWEALTH EDISON COMPANY, QUARRY ST. STATION | CHICAGO | IL |
| COMMONWEALTH EDISON COMPANY, RIDGELAND POWER | CHICAGO | IL |
| Commonwealth Edison Crawford Street Powerhouse | Chicago | IL |
| Commonwealth Edison Plant | Kincaid | IL |
| Commonwealth Edison Power Plant | Joliet | IL |
| COMMONWEALTH EDISON STATE GENERATING STATION | CHICAGO | IL |
| Commonwealth Edison Waukegan Powerhouse | Waukegan | IL |
| COMMONWEALTH EDISON, JOLIET STATION | ROCKDALE | IL |
| Commonwealth Steel | Madison | IL |
| COMMONWEALTH STEEL | GRANITE CITY | IL |
| COMMONWEALTH STEEL COMPANY | GRANITE CITY | IL |
| COMMUNITY DISC STORE | CHICAGO | IL |
| COMMUNITY GENERAL HOSPITAL | STERLING | IL |
| COMMUNITY HIGH SCHOOL | GENEVA | IL |
| COMMUNITY MEMORIAL GENERAL HOSPITAL | LA GRANGE | IL |
| Community School | Good Hope | IL |
| COMMUNITY UNIT SCHOOL | SHABONA | IL |
| CONALCO | MADISON | IL |
| CONALCO | MURPHYSBORO | IL |
| Conalco | Venice | IL |
| CONCORDIA TEACHERS COLLEGE | RIVER FOREST | IL |
| CONGRESS HOTEL COMPANY | CHICAGO | IL |
| CONGRESS PARK SCHOLL | BROOKFIELD | IL |
| CONGRESS PARKWAY BUILDING | CHICAGO | IL |
| CONN MUTUAL LIFE INSURANCE COMPANY | CHICAGO | IL |
| CONNELL, INCORPORATED | CHICAGO | IL |
| CONNELLY INC | CHICAGO | IL |
| CONNELLY, INCORPORATED | CHICAGO | IL |
| CONNOR CO | MACON | IL |
| CONNOR CO | MACOMB | IL |
| CONNOR COMPANY | PEORIA | IL |
| Conoco Oil Refinery | Mendota | IL |
| CONRAD HILTON | CHICAGO | IL |
| CONRAD HILTON HOTEL | CHICAGO | IL |
| CONRAD HILTON HOTEL – PARK ROW RESTAURANT | CHICAGO | IL |
| CONSO. ALUMINUM | MADISON | IL |
| Consol Foundries Casting Division | Chicago | IL |
| Consolidated Aluminum | Madison | IL |
| CONSOLIDATED ALUMINUM | MURPHYSBORO | IL |
| Consolidated Aluminum Company | Venice Or Madison | IL |
| CONSOLIDATED ALUMINUM COR | MURPHYSBORO | IL |
| Consolidated Aluminum Corp. | Madison | IL |
| CONSOLIDATED ALUMINUM PLANT | MADISON | IL |
| CONSOLIDATED COAL | MOUNT OLIVE | IL |
| Consolidated Coal Co., Inc. | Coffeen | IL |
| CONSOLIDATED CREAMERY | CHICAGO | IL |
| CONSOLIDATED D. & W. COMPANY | JOLIET | IL |
| CONSOLIDATED FOODS CORPORATION | RIVER GROVE | IL |
| CONSOLIDATED FREIGHTWAYS TERMINAL | ROCKFORD | IL |
| CONSOLIDATED PAPER COMPANY | AURORA | IL |
| CONSOLIDATED RAILROAD (CONRAIL) SHOPS | NOT PROVIDED | IL |
| CONSOLIDATED STEEL & WIRE COMPANY | CHICAGO | IL |
| CONSOLIDATED STEEL & WIRE COMPANY | JOILET | IL |
| Consumers Company, and offices of W.A. Clarke | Chicago | IL |
| CONSUMERS HEAT AND ELECTRIC COMPANY – POWER PLANT | BLOOMINGTON | IL |
| CONTAINER CORP OF AMERICA | CHICAGO | IL |
| Container Corporation of America | Carol Stream | IL |
| Container Corporation of America | Chicago | IL |
| CONTAINER CORPORATION OF AMERICA | TAROL STREAM | IL |
| CONTAINER CORPORATION OF AMERICA, AMERICAN COATED BOARD DIVISION | CHICAGO | IL |
| CONTINENTAL AND COMMERCIAL SAFE DEPOSIT COMPANY BANK BUILDING | CHICAGO | IL |
| CONTINENTAL BANK | CHICAGO | IL |
| CONTINENTAL BOLT AND IRON COMPANY | CHICAGO | IL |
| CONTINENTAL BOLT AND IRON WORKS | CHICAGO | IL |
| CONTINENTAL CAN CO | CHICAGO | IL |
| CONTINENTAL CAN CO INC | CHICAGO | IL |
| CONTINENTAL CAN CO, INC | CHICAGO | IL |
| Continental Can Company | Chicago | IL |
| CONTINENTAL CAN PLANT | CHICAGO | IL |
| CONTINENTAL FREEZERS | CHICAGO | IL |
| CONTINENTAL GRAIN COMPANY | TAYLORVILLE | IL |
| CONTINENTAL GRAIN COMPANY | BARTONVILLE | IL |
| CONTINENTAL GRAIN COMPANY, PROCESSING DIVISION | TAYLORVILLE | IL |
| CONTINENTAL ILL NATIONAL BANK & TRUST | CHICAGO | IL |
| Continental Illinois Bank & Trust Company, LaSalle St. and Jackson St.. | Chicago | IL |
| CONTINENTAL ILLINOIS NATIONAL BANK – NORTH MICHIGAN AVE | CHICAGO | IL |
| Contracting Materials Co | Naperville | IL |
| Conway Building Power Plant | Chicago | IL |
| COOK CHOCOLATE COMPANY | CHICAGO | IL |
| Cook County Hospital | Chicago | IL |
| COOK COUNTY INSTITUTIONS | DUNNING | IL |
| COOK COUNTY JUVENILE COURT – SOUTH HAMILTON AVENUE | CHICAGO | IL |
| Cook County Nurses’ Home | Chicago | IL |
| Cook County Nurses’ Home, Dining room | Chicago | IL |
| Coon Run Drainage & Levee District (Sub District #2) | Bluffs | IL |
| Coonley Manufacturing Company, Enameling Building | IL | |
| COOPERAGE DIVISION PLANT | PEORIA | IL |
| COOPLEY HOSPITAL | AURORA | IL |
| COPLEY HOSPITAL | AURORA | IL |
| COPLEY MEMORIAL HOSPITAL | AURORA | IL |
| Cordova Powerhouse | Cordova | IL |
| CORN EXCHANGE NATIONAL BANK | CHICAGO | IL |
| Corn Products | Pekin | IL |
| Corn Products Co. | Bedford Park | IL |
| Corn Products Co. | Argo | IL |
| CORN PRODUCTS CO., A UNIT OF CPC INTERNATIONAL | PEKIN | IL |
| CORN PRODUCTS COMPANY | ARGO | IL |
| CORN PRODUCTS COMPANY | PEKIN | IL |
| CORN PRODUCTS INTERNATIONAL | BEDFORD PARK | IL |
| CORN PRODUCTS INTERNATIONAL, INC. | ARGO | IL |
| CORN PRODUCTS MANUFACTURING COMPANY | CHICAGO | IL |
| CORN PRODUCTS MANUFACTURING COMPANY | ARGO | IL |
| CORN PRODUCTS OF ILLINOIS | SUMMIT | IL |
| Corn Products Refining Co – Argo Plant – Power House | Argo | IL |
| CORN PRODUCTS REFINING CO. – NORDUX BLDG. 33 | ARGO | IL |
| CORN PRODUCTS REFINING CO. – POWERHOUSE | ARGO | IL |
| CORN PRODUCTS REFINING CO. – UNIT NO 3 POWERHOUSE | ARGO | IL |
| CORN PRODUCTS REFINING COMPANY | ARGO | IL |
| CORN PRODUCTS REFINING COMPANY | CHICAGO | IL |
| CORN PRODUCTS REFINING COMPANY | PEKIN | IL |
| Corn Products Refining Company, Argo location | Summit | IL |
| Cornell Forge Co | Chicago | IL |
| CORPS OF ENGINEERS | ROCK ISLAND | IL |
| Corps. of Engineers | Granite City | IL |
| COSMOPOLITAN ELECTRIC COMPANY – POWER PLANT | CHICAGO | IL |
| COSMOPOLITAN LINEN SERVICE | CHICAGO | IL |
| COSSITT AVENUE ELEMENTARY SCHOOL | LAGRANGE | IL |
| COWLES CHEMICAL COMPANY | JOLIET | IL |
| CRAMULE DRIERS | CHICAGO | IL |
| CRANBERRY CANNECS, INC | NORTH CHICAGO | IL |
| CRANDALL DAIRY SUPPLIES | FREEPORT | IL |
| Crane Co. | Chicago | IL |
| CRANE COMPANY | SPRINGFIELD | IL |
| CRANE COMPANY | CHICAGO | IL |
| CRANE COMPANY – 836 SOUTH MICHIGAN AVENUE | CHICAGO | IL |
| CRANE COMPANY, 836 SOUTH MICHIGAN AVE. | CHICAGO | IL |
| Crane Creek Drainage & Levee District | Frederick | IL |
| Crane Creek Drainage & Levee District | Rushville | IL |
| CRANE PACKING CO | MORTON GROVE | IL |
| Crane Packing Co. | Morton Grove | IL |
| Crane Supply Company | Rockford | IL |
| CRAWFORD AVE. EXTENSION | CHICAGO | IL |
| CRAWFORD LOCOMOTIVE AND CAR WORKS | STREATOR | IL |
| CRAWFORD STREET POWERHOUSE | CHICAGO | IL |
| CREOSOTE FOREST PRODUCTS CO | EAST ST. LOUIS | IL |
| CRESCENT FORGE & SHOVEL COMPANY | HAVANA | IL |
| CRIBBEN AND SEXTON COMPANY | CHICAGO | IL |
| Cromwell Paper Co | Chicago | IL |
| Crop Dusting Company | Decatur | IL |
| CROW’S INSULATION | DANVILLE | IL |
| CROWLEY SHEPPARD COMPANY | CHICAGO RIDGE | IL |
| CROWN ZELLERBACH CORPORATION, GAYLORD CONTAINER DIVISION | CAROL STREAM | IL |
| Crows Insulation Company | Evansville | IL |
| Crows Insulation Company | Danville | IL |
| CRYSTAL PURE CANDY | CHICAGO | IL |
| Culberg Asbestos & Cork Co | Chicago | IL |
| CULBERG ASBESTOS & CORK CO. | CHICAGO | IL |
| CULLIGAN CORPORATION | NORTHBROOK | IL |
| CULLIGAN INCORPORATED | NORTHBROOK | IL |
| Cumberland Oil | Robinson | IL |
| CUNEO PRESS, INC | CHICAGO | IL |
| CURTISS CANDY CO – DELIVER EAST DOCK | FRANKLIN PARK | IL |
| CURTISS CANDY CO. | FRANKLIN PARK | IL |
| CURTISS CANDY CO. – BLDG 17 | CHICAGO | IL |
| CURTISS-NABISCO CANDY COMPANY | FRANKLIN PARK | IL |
| Custom Gasket Co Inc | Franklin Park | IL |
| D & L MACHINE & TOOL COMPANY | CAHOKIA | IL |
| D. CARROLL METALS | BENSENVILLE | IL |
| D. HEENAN AND COMPANY | STREATOR | IL |
| D.L. WING COMPANY, PLANET MILLS | LITCHFIELD | IL |
| D.M. ZUARY AND COMPANY | CHICAGO | IL |
| D.W. Franchot | Robinson | IL |
| Dad & Lad | New Lennox | IL |
| Dad & Lad | New Lenox | IL |
| DALEY CENTER | CHICAGO | IL |
| DALEY PLAZA CIVIC CENTER | CHICAGO | IL |
| DALI’S LAUNDRY | CHICAGO | IL |
| DALLMAN POWERHOUSE | SPRINGFIELD | IL |
| DALY’S LAUNDRY | CHICAGO | IL |
| Dana Corporation | Havana | IL |
| DANA HOTEL – NORTH STATE STREET | CHICAGO | IL |
| DANGY MACHINE SPEC | CHICAGO | IL |
| DANLEY MACHINE SPECIALTIES, INCORPORATED | CICERO | IL |
| Danly Machine | Chicago | IL |
| DANLY MACHINE CORPORATION | CICERO | IL |
| DANVILLE AND EASTERN ILLINOIS RAILWAY COMPANY | DANVILLE | IL |
| DANVILLE POWERHOUSE | DANVILLE | IL |
| DANVILLE STREET RAILWAY AND LIGHT COMPANY – POWER PLANT | DANVILLE | IL |
| DANVILLE URBANA AND CHAMPAIGN RAILWAY COMPANY | CHAMPAIGN | IL |
| DANVILLE URBANA AND CHAMPAIGN RAILWAY COMPANY | DANVILLE | IL |
| DAPER & KRAMER, INC | CHICAGO | IL |
| DARLING & CO | CHICAGO | IL |
| DARLING & COMPANY | CHICAGO | IL |
| DARLING AND COMPANY | CHICAGO | IL |
| DARLING AND COMPANY PLANT | CHICAGO | IL |
| Darling Co. | Chicago | IL |
| DARLING FERTILIZER | SAUGET | IL |
| Darlings Stockyard | Chicago | IL |
| Daubert Chemical | Chicago | IL |
| Davies Fertilizer | Chcago | IL |
| DAVIS AURORA COMPANY | AURORA | IL |
| Dawes Hotel | Chicago | IL |
| Dawes Hotel Hamilton Club addition | IL | |
| DE KALB FORGE COMPANY | DE KALB | IL |
| DEAN FOODS COMPANY | PECATONICA | IL |
| DEAN MILK CO | PECATONICA | IL |
| DEAN MILK COMPANY | BELVIDERE | IL |
| DEAN MILK COMPANY | CHEMUNG | IL |
| DEAN MILK COMPANY | POCATONIA | IL |
| DEAN MILK COMPANY, ROCKFORD CONSOLIDATED DAIRIES | ROCKFORD | IL |
| Dearborn Chemical Co | Chicago | IL |
| DEARBORN CHEMICAL COMPANY – MANUFACTURING PLANT – GENESEE STREET | LAKE ZURICH | IL |
| Dearborn Train Station | Chicago | IL |
| DECATUR BREWING COMPANY | DECATUR | IL |
| DECATUR GAS AND ELECTRIC COMPANY – HEATING PLANT | DECATUR | IL |
| DECATUR ICE COMPANY | DECATUR | IL |
| DECATUR MEMORIAL HOSPITAL | DECATUR | IL |
| Decatur Milling | Decatur | IL |
| DECATUR STEAM HEATING COMPANY – STEAM PLANT | DECATUR | IL |
| DECATUR TRACTION AND ELECTRIC COMPANY – POWER STATION | DECATUR | IL |
| Decatur, Illinois Sanitary District | Harristown | IL |
| DECATUR, SPRINGFIELD AND ST. LOUIS RAILWAY COMPANY | RIVERTON | IL |
| DECORATORS SUPPLY | CHICAGO | IL |
| DEEP FREEZE DIVISION OF MOTOR PRODUCTS CORPORATION | NORTH CHICAGO | IL |
| DEER MILK COMPANY | PEARL CITY | IL |
| Deere & Company | Rock Island | IL |
| DEERE & COMPANY | MOLINE | IL |
| DEERE AND COMPANY | EAST MOLINE | IL |
| DEERE AND COMPANY | MOLINE | IL |
| DEERE AND MANSUR COMPANY | MOLINE | IL |
| DEERE AND MANSUR COMPANY – MANUFACTURING PLANT | MOLINE | IL |
| DEERE COMPANY | MOLINE | IL |
| DEERFIELD SHIELDS TOWNSHIP HIGH SCHOOL | HIGHLAND PARK | IL |
| DEERING DIVISION OF INTERNATIONAL HARVESTER COMPANY | CHICAGO | IL |
| DEFENSE PLANT CORPORATION | CHICAGO | IL |
| Dekalb Ag plant | Waterman | IL |
| DEKALB COUNTY NURSING HOME | DEKALB | IL |
| DEKALB ELECTRIC COMPANY – POWER PLANT | DEKALB | IL |
| Dekalb Hospital | Dekalb | IL |
| Dekalb monsanto plant | Waterman | IL |
| DEKALB SYCAMORE ELECTRIC COMPANY – POWER PLANT | DEKALB | IL |
| DeKalb Toy Plant | Dekalb | IL |
| DEL MONTE CORPORATION | MENDOTA | IL |
| DEL MONTE CORPORATION | ROCHELLE | IL |
| Delano Elementary School, 3937 W. Wilcox St. | Chicago | IL |
| DELCO REMY DIV GMC | ANDERSON | IL |
| Delmonte Corporation | Mendota | IL |
| Delta Gamma Sorority | Evanston | IL |
| DEMOLITION PIT GREEN RIVER ORD PLANT | DIXON | IL |
| Deneen Elementary School, 73d & Wabash | Chicago | IL |
| DEPARTMENT OF PUBLIC WORKS AND BUILDING OF THE STATE OF ILLINOIS, LINCOLN STATE SCHOOL | LINCOLN | IL |
| DEPAUL UNIVERSITY – ALUMNI HALL – WEST BELDEN AVENUE | CHICAGO | IL |
| DEPT OF MENTAL HEALTH | CENTRALIA | IL |
| DERBY STEAM LAUNDRY CO | CHICAGO | IL |
| DES PLAINES CHEMICAL | MORRIS | IL |
| Detention Hospital, Cook County | Cook County | IL |
| DEVOE & REYNOLDS | CHICAGO | IL |
| DEVOE AND REYNOLDS COMPANY, INCORPORATED | CHICAGO | IL |
| DEWEY & ALMY CHEMICAL CO | STICKNEY | IL |
| Dewline Radar Installation | Streator | IL |
| DIAL CORPORATION | MONTGOMERY | IL |
| DIAMOND ALKALI CO | CHICAGO | IL |
| DIAMOND ALKALI COMPANY, STANDARD SILICATE DIVISION | CHICAGO | IL |
| DIAMOND CEMENT AND LIMESTONE COMPANY | CHICAGO | IL |
| Diamond Glue Co. | Chicago | IL |
| DIAMOND GLUE, DIVISION PETER COOPER CORPORATION | CHICAGO | IL |
| DIAMOND MATCH COMPANY | CHICAGO | IL |
| DIAMOND SHAMROCK CORP | CHICAGO | IL |
| DIAMOND SHAMROCK CORP. | CHICAGO | IL |
| DIAMOND STONE SAWING COMPANY | JOLIET | IL |
| DIAMOND WIRE AND CABLE COMPANY | CHICAGO HEIGHTS | IL |
| DICK BROTHERS BREWING COMPANY | QUINCY | IL |
| DIEBOLD INDUSTRIAL | CHICAGO | IL |
| DILLER SHALE PROD | ST ELMO | IL |
| DILLER SHALE PRODUCTS | ST ELMO | IL |
| DILLER TILE CO | CHATSWORTH | IL |
| DILLER TILE COMPANY | CHATSWORTH | IL |
| DILLON GRISWOLD WIRE COMPANY | STERNBURG | IL |
| DILLON GRISWOLD WIRE COMPANY | STERLING | IL |
| DIRKSEN FEDERAL BUILDING | CHICAGO | IL |
| DISPOSAL INDUSTRIES | CHICAGO | IL |
| DIVINE WORD SEMINARY | TECHNY | IL |
| DIVISION OF CERRO DE PASCO CORPORATION | EAST ST. LOUIS | IL |
| DIXON CORRECTIONAL CENTER | DIXON | IL |
| DIXON POWER AND LIGHTING COMPANY – POWER PLANT | DIXON | IL |
| DIXON STATE SCHOOL | DIXON | IL |
| DODGE – CHICAGO AIRCRAFT ENGINE PLANT | CHICAGO | IL |
| DOE Beryl Ore Reduction Pilot Plant | Chicago | IL |
| DOEHLER DIE CASTING – 43RD STREET | CHICAGO | IL |
| DOLESE AND SHEPARD COMPANY | GARY | IL |
| DOMINION ENERGY, INCORPORATED | KINCAID | IL |
| DONALD CARROLL METALS, INC. | BENSENVILLE | IL |
| DOUGLAS SCHOOL | DANVILLE | IL |
| DOW CHEMICAL | MADISON | IL |
| DOW CHEMICAL CO. | MADISON | IL |
| Dow Chemical Co. | Joliet | IL |
| DOW CHEMICAL COMPANY | MADISON | IL |
| DOW CHEMICAL COMPANY, MADISON DIVISION | MADISON | IL |
| DOW METAL PRODUCTS COMPANY | MADISON | IL |
| DOWNING BOX COMPANY, DIVISION LONGVIEW FIBER | ROCKFORD | IL |
| DRAKE HOTEL | CHICAGO | IL |
| DRAMM GREENHOUSE | ELMHURST | IL |
| Draper & Kramer Buildings | Chicago | IL |
| DRAPER & KRAMER, INC | CHICAGO | IL |
| DRAVO CORPORATION | CHICAGO HEIGHTS | IL |
| Dresden II Nuclear Power Station | Morris | IL |
| Dresden Nuclear Power Plant | Morris | IL |
| DRESDEN NUCLEAR POWER STATION | MORRIS | IL |
| DRESDEN POWERHOUSE | Morris | IL |
| Dresden Powerplant | Dresden | IL |
| Dresden Powerplant/Commonwealth Edison | Morris | IL |
| DREWRY’S LIMITED U.S.A. INCORPORATED | CHICAGO | IL |
| DRIVES INC | FULTON | IL |
| DROVERS PACKING CO | CHICAGO | IL |
| Drying Systems Company | Morton Grove | IL |
| DU PAGE DIE CASTING CO | NILES | IL |
| Dualtemp | Chicago | IL |
| DUBON SPORTING GOODS | CHICAGO | IL |
| DUCK CREEK POWERHOUSE | PEORIA | IL |
| DUKANE CORPORATION | ST. CHARLES | IL |
| Dumas Elementary School, 67th and Ellis | Chicago | IL |
| Duncan Foundry | Alton | IL |
| DUNCAN FOUNDRY AND MACHINE WORKS | ALTON | IL |
| DUNDEE RAPID TRANSIT COMPANY – POWER PLANT | ELGIN | IL |
| DUPAGE ADMINISTRATION BUILDING | WHEATON | IL |
| DURKEE FAMOUS FOODS | CHICAGO | IL |
| DuSable High School | Chicago | IL |
| Dvorak School, 16th & Central Park | Chicago | IL |
| DWIGHT PLUMBING & HEATING | DWIGHT | IL |
| DYCAST INC | LAKE ZURICH | IL |
| DYCAST, INCCORPORATED | LAKE ZURICH | IL |
| E B Kaiser Co | Glenview | IL |
| E J MAAG SHOP | EAST SAINT LOUIS | IL |
| E S S INC | PEORIA | IL |
| E-Z Way Store Co | Kankakee | IL |
| E. B. KAISER COMPANY | GLENVIEW | IL |
| E. Constantin Company | Robinson | IL |
| E. I. DUPONT DE NEMOURS | EAST CHICAGO | IL |
| E. J. BRACH & SONS | CHICAGO | IL |
| E. PORTER BREWING COMPANY | JOLIET | IL |
| E.B. DICK COMPANY | NILES | IL |
| E.H. Krall Company | Decatur | IL |
| E.H.S CHRIST HOSPITAL AND MEDICAL CENTER | OAK LAWN | IL |
| E.I. Du Pont De Nemours | East Chicago | IL |
| E.I. du Pont de Nemours & Company, ammunition Plant | Kankakee | IL |
| E.I. Du Pont De Nemours Co. | Kankaha | IL |
| E.I. DUPONT DE NEMOURS & COMPANY | NEWBRIDGE | IL |
| E.J. BRACH & SONS | CHICAGO | IL |
| E.J. BRACH AND SONS | CHICAGO | IL |
| E.J. DAVIS MANUFACTURING COMPANY | CHICAGO | IL |
| E.L. BRUCE COMPANY | CAIRO | IL |
| E.L. MANSURE COMPANY | CHICAGO | IL |
| E.L. PRUSSING AND COMPANY | CHICAGO | IL |
| E.W. CLARK AND COMPANY | ALTON | IL |
| EAGLE GRINDING WHEEL | CHICAGO | IL |
| Eagle Industrial Company | Alton | IL |
| Eagle Industrial Company | Granite City | IL |
| Eagle Industrial Company | East St. Louis | IL |
| Eagle Insulation Company | East St. Louis | IL |
| Eagle Picher | Hillsboro | IL |
| EAST MOLINE CORRECTIONAL CENTER | EAST MOLINE | IL |
| EAST MOLINE HOSPITAL | E MOLINE | IL |
| EAST MOLINE STATE HOSPITAL | EAST MOLINE | IL |
| EAST SAINT LOUIS HOUSING AUTHORITY | EAST SAINT LOUIS | IL |
| EAST SAINT LOUIS PRESS | EAST SAINT LOUIS | IL |
| EAST ST. LOUIS AND SUBURBAN RAILWAY | EAST ST. LOUIS | IL |
| EAST ST. LOUIS WORKS | ROSE LAKE YARD | IL |
| EAST ZION INDUSTRIAL | ZION | IL |
| EASTERN ILL CLAY COMPANY | ST ANNE | IL |
| EASTMAN KODAK CO. – 1727 Indiana Ave. | CHICAGO | IL |
| EASTMAN KODAK COMPANY, TAPRELL-LOOMIS DIVISION | CHICAGO | IL |
| Ebko Piping | Glenview | IL |
| EBNER ICE AND COLD STORAGE COMPANY | FLORA | IL |
| ECHLIN MANUFACTURING COMPANY | LITCHFIELD | IL |
| ECKHART AND SWAN MILLING COMPANY | CHICAGO | IL |
| ECKO PRODUCTS | CHICAGO | IL |
| ECLIPSE FUEL COMPANY | ROCKFORD | IL |
| ECLIPSE FUEL ENGINEERING COMPANY | ROCKFORD | IL |
| ECLIPSE GAS STOVE COMPANY | ROCKFORD | IL |
| Eclipse Inc. | Rockford | IL |
| ECONOMY LIGHT AND POWER COMPANY – POWER PLANT | JOLIET | IL |
| Economy Mechanical Industrial | Quincy | IL |
| Economy Mechanical Industrial | Wheeling | IL |
| Economy Plumbing & Heat | Elmhurst | IL |
| ECONOMY PLUMBING & HEATING | CHICAGO | IL |
| EDDY SCHOOL | MILAN | IL |
| EDENS EXECUTIVE CENTER BLDG – ENTER ON FRONTAGE ROAD | WILMETTE | IL |
| EDENS EXECUTIVE CENTER BUILDING | WILMETTE | IL |
| EDENS EXECUTIVE CTR BLDG | WILMETTE | IL |
| EDGEWATER HOSPITAL | CHICAGO | IL |
| EDISON ELECTRIC APPLIANCE COMPANY, INCORPORATED – CHICAGO FACTORY | CHICAGO | IL |
| EDISON MARQUETTE COMPANY – WEST ADAMS STREET | CHICAGO | IL |
| Edwards Plumbing | Springfield | IL |
| EDWARDS POWERHOUSE | PEORIA | IL |
| EDWARDSVILLE CREAMERY CO | EDWARDSVILLE | IL |
| EDWARDSVILLE HIGH SCHOOL | EDWARDSVILLE | IL |
| Edwin Cooper Inc. | Sauget | IL |
| EDWIN S. SHEPHERD | CHICAGO | IL |
| EKCO FOIL CONTAINER CORPORATION | WHEELING | IL |
| EKCO PRODUCTS COMPANY | CHICAGO | IL |
| EKLUND METAL TREATING | LOVES PARK | IL |
| EKLUND METAL TREATING | ROCKFORD | IL |
| EKLUND METAL TREATING INC | LOVES PARK | IL |
| EL VISTA APARTMENTS | OAK FOREST | IL |
| ELCEN METAL PRODUCTS | MELROSE PARK | IL |
| ELECTIRC WHEEL-DIV FIRESTONE | QUINCY | IL |
| ELECTRIC AUTOLITE COMPANY – ALEMITE DIE CASTING PLANT | WOODSTOCK | IL |
| ELECTRIC ENERGY | JOPPA | IL |
| ELECTRIC ENERGY INC. – Joppa Steam Electric Station | JOPPA | IL |
| Electric Energy, Inc.- Joppa Steam Generating Station | Joppa | IL |
| ELECTRIC STORAGE & BATTERY CO | CHICAGO | IL |
| ELECTRIC WHEEL | QUINCY | IL |
| ELECTRIC WHEEL COMPANY – MANUFACTURING PLANT | QUINCY | IL |
| ELECTRO-MOTIVE CORPORATION | CHICAGO | IL |
| ELECTRO-MOTIVE DIVISION GENERAL MOTORS CORPORATION | LA GRANGE | IL |
| ELECTROCAST STEEL | CICERO | IL |
| ELECTROCAST STEEL FOUNDRY | CICERO | IL |
| Electromotive | McCook | IL |
| Electromotive-General Motors | Mccook | IL |
| Electromotive-General Motors | Lagrange | IL |
| Electromotive-General Motors | Chicago | IL |
| Electromotive/General Motors | Lagrange | IL |
| Electromotive/General Motors | Mccook | IL |
| ELECTRONICAST, INCORPORATED | ADDISON | IL |
| ELEMENTIS PIGMENTS, INCORPORATED | EAST ST. LOUIS | IL |
| ELEVATOR MILLING COMPANY | SPRINGFIELD | IL |
| ELGIN CORRUGATED BOX COMPANY | ELGIN | IL |
| ELGIN NATIONAL WATCH COMPANY | ELGIN | IL |
| Elgin Railroad Station | Elgin | IL |
| ELGIN STATE HOSPITAL – ADMINISTRATION BUILDING | ELGIN | IL |
| ELGIN WEST HIGH SCHOOL | ELGIN | IL |
| Elgin, Joliet and Eastman Railway Company | Joliet | IL |
| ELIEL & LOEB | CHICAGO | IL |
| Elk Grove Village swimming pool complex | Elk Grove Village | IL |
| Elm Place School | Highland Park | IL |
| ELMHURST MEMORIAL HOSPITAL | ELMHURST | IL |
| Elston Tank | Chicago | IL |
| ELWOOD ORDNANCE PLANT | ELWOOD | IL |
| ELWOOD WIRE AND NAIL COMPANY | DEKALB | IL |
| EMERSON BRANTINGHAM COMPANY | ROCKFORD | IL |
| EMERSON MANUFACTURING COMPANY | ROCKFORD | IL |
| EMERSON TALCOTT AND COMPANY | ROCKFORD | IL |
| EMPIRE PACKING CO | CHICAGO | IL |
| Emulsified Asphalt | Chicago | IL |
| Energy Coatings | Alton | IL |
| Englewood Baptist Community House | IL | |
| Englewood Masonic Temple | IL | |
| ENTENMANNS, INCORPORATED | NORTHLAKE | IL |
| ENTENMANNS, INCORPORATED | NORTH LAKE | IL |
| ENTERPRISE WIRE COMPANY | BLUE ISLAND | IL |
| EQUITABLE BLDG. | CHICAGO | IL |
| Equitable Building | Chicago | IL |
| EQUITABLE JOB | CHICAGO | IL |
| Equitable Life Building | Chicago | IL |
| Equitable Power | East Alton | IL |
| ERIE-ORLEANS BUILDING | CHICAGO | IL |
| ERNEST B. ROBERTS | PEORIA | IL |
| ERNEST BROTHERS BREWING COMPANY | CHICAGO | IL |
| ERNEST OECHSLIN, INCORPORATED | RIVER FOREST | IL |
| ERNST TOSETTI BREWING COMPANY | CHICAGO | IL |
| ESCAST | ADDISON | IL |
| ESS INC | PEORIA | IL |
| Essex International | Chicago | IL |
| Essex International | Hampshire | IL |
| ESSEX WIRE CORPORATION | SYCAMORE | IL |
| ESTATE OF L J MCCORMICK | CHICAGO | IL |
| ESTATE OF MARSHALL FIELD | CHICAGO | IL |
| ETHICON, INCORPORATED | CHICAGO | IL |
| ETHYL PETROLEUM ADDITIVES INCORPORATED | SAUGET | IL |
| EUGENE SCHLINKT AND SON | PEORIA | IL |
| EUREKA COLLEGE – MELICK LIBRARY | EUREKA | IL |
| EUREKA STEEL RANGE COMPANY | O’FALLON | IL |
| EUREKA WILLIAMS CORPORATION | BLOOMINGTON | IL |
| EVANGELICAL HOSPITAL | CHICAGO | IL |
| Evangelical Lutheran Church | Crystal Lake | IL |
| EVANSTON CENTRAL UTILITIES PLANT | EVANSTON | IL |
| EVANSTON ELECTRIC ILLUMINATING COMPANY – POWER PLANT | EVANSTON | IL |
| EVANSTON HEATING COMPANY | EVANSTON | IL |
| Evanston High School, Library addition | Evanston | IL |
| EVANSTON HOSPITAL | CHICAGO | IL |
| Evanston Hospital | Evanston | IL |
| EVANSTON TOWNSHIP HIGH SCHOOL | EVANSTON | IL |
| Evanston Water Works | Evanston | IL |
| EVANSTON YMCA | EVANSTON | IL |
| Evergreen High School | IL | |
| EXCEL FOUNDRY AND MACHINE S | PEKIN | IL |
| EXCEL MANUFACTURING COMPANY | ROCKFORD | IL |
| EXCELSIOR FOUNDRY | BELLEVILLE | IL |
| EXCHANGE BUILDING | CHICAGO | IL |
| EXHIBITION HALL | CHICAGO | IL |
| EXXONMOBIL CORPORATION | CHANNAHON | IL |
| F D Farnam Co | Chicago | IL |
| F D Farnam Co | Lyons | IL |
| F D Farnam Co | Yons | IL |
| F. & F. LABORATORIES | CHICAGO | IL |
| F. H. REMALEY | CHICAGO | IL |
| F. REISCH AND BROTHERS | SPRINGFIELD | IL |
| F.A. HECHT AND COMPANY | CHICAGO | IL |
| F.D. Farnam | Chicago | IL |
| F.E. MCFARLAND | LIBERTYVILLE | IL |
| F.H. NOBLE & COMPANY | CHICAGO | IL |
| F.L.G. Hansen | River Forest | IL |
| F.W. MEANS & COMPANY | EAST MOLINE | IL |
| F.W. MEANS AND COMPANY | SPRINGFIELD | IL |
| F.W. MEANS AND COMPANY | CHICAGO | IL |
| F.W. WHISTON | CHICAGO | IL |
| FAA Office | Des Plaines | IL |
| FABER MOSSER CO | PEORIA | IL |
| FAIRBANKS AND COMPANY | ALTON | IL |
| FAIRBANKS MORSE & COMPANY | CHICAGO | IL |
| FAIRBANKS VALLEY FARM | GREENE COUNTY | IL |
| FAIRVIEW COLLIERIES | DANVILLE | IL |
| FALLS & NOONAN INC – BLDG 17 | CHICAGO | IL |
| FANSTEEL | N. CHICAGO | IL |
| FANSTEEL METALLURGICAL | NORTH CHICAGO | IL |
| FANSTEEL METALLURGICAL CORPORATION | NORTH CHICAGO | IL |
| Faraday Elementary School (f/k/a Marshall), Monroe Street | Chicago | IL |
| FARGO INSULATION COMPANY, INC. | SPRINGFIELD | IL |
| Farm Bureau Company | Mt. Vernon | IL |
| Farragut High School, 2345 S. Christiana | Chicago | IL |
| Fastex | Des Plaines | IL |
| Favorite Gasket Co | Chicago | IL |
| FEDERAL DIE CASTING COMPANY | CHICAGO | IL |
| FEDERAL FINANCE COMPANY | CHICAGO | IL |
| FEDERAL FURNACE COMPANY | SOUTH CHICAGO | IL |
| FEDERAL LEAD COMPANY | FEDERAL | IL |
| FEDERAL LEAD COMPANY | WOOD RIVER | IL |
| FEDERAL METERALLURGICAL | ALTON | IL |
| FEDERAL MOGUL CORP BOWER | MACOMB | IL |
| FEDERAL MOGUL CORPORATION/BOWER | MACOMB | IL |
| FEDERAL OFFICE BLDG. AND COURTHOUSE | CHICAGO | IL |
| FEDERAL OFFICE BUILDING | CHICAGO | IL |
| FEDERAL PLATE GLASS COMPANY | OTTAWA | IL |
| FEDERAL RESERVE BANK | CHICAGO | IL |
| FEDERAL RESERVE BANK OF CHICAGO BUILDING – SOUTH LASALLE STREET | CHICAGO | IL |
| FEDERAL RESERVE BANK, JACKSON BLVD. | CHICAGO | IL |
| FEDERAL STEEL | EAST ALTON | IL |
| FEDERAL WAREHOUSE COMPANY | PEORIA | IL |
| FEDERAL WIRE MILL CORP | MERRIN | IL |
| FEDERAL WIRE MILL CORPORATION | HERRIN | IL |
| FELSICOL CHEMICAL CORP. | MARSHALL | IL |
| Felt Porducts Co. | Skokie | IL |
| Felt Products | Skokie | IL |
| FELT PRODUCTS CO | SKOKIE | IL |
| Felt Products Mfg Company | Chicago | IL |
| Felt Products Mfg Company | Skokie | IL |
| FENNELL CORP | HARVEY | IL |
| Fermi National Accelerator Laboratory, Central Lab Building | Batavia | IL |
| Fermilab | Batavia | IL |
| FERRO CORP | ARLINGTON HEIGHTS | IL |
| FERRO CORP | ALSEY | IL |
| FERRO CORP | BARTLETT | IL |
| FERRY HALL SCHOOL | LAKE FOREST | IL |
| FERTILIZER WORKS | CHICAGO | IL |
| Fiat-Allis | Springfield | IL |
| FIAT-ALLIS – ENGINEERING TEST CENTRE – HEAVY EQUIPMENT PLANT | SPRINGFIELD | IL |
| Fiber Container Corporation | Aurora | IL |
| FIELD & SHORB CO. | DECATUR | IL |
| FIELD BUILDING – LASALLE STREET | CHICAGO | IL |
| FIELD ENTERPRISES INC. | CHICAGO | IL |
| FIELDHOUSE, DUTCHER AND BELDEN | SOUTH CHICAGO | IL |
| FINKL A AND SONS* | CHICAGO | IL |
| Firestone | Bloomington | IL |
| FIRESTONE TIRE & RUBBER | DECATUR | IL |
| Firestone Tire & Rubber | Norman | IL |
| Firestone Tire & Rubber Co. | Bloomington | IL |
| Firestone Tire & Rubber Company | Decatur | IL |
| FIRESTONE TIRE AND RUBBER COMPANY | BLOOMINGTON | IL |
| First Bank Building | Benton | IL |
| FIRST BANK OF MOUNT VERNON | MOUNT VERNON | IL |
| First Christian Church | Centralia | IL |
| FIRST CHURCH OF CHRIST | GEORGETOWN | IL |
| FIRST CHURCH OF CHRIST SCIENTIST – CHURCH ROAD AND THIRD AVENUE | BENSENVILLE | IL |
| First Congregational Church | Evanston | IL |
| FIRST FEDERATED CHURCH | PEORIA | IL |
| First Methodist Episcopal Church | Evanston | IL |
| FIRST NATIONAL BANK | CHICAGO | IL |
| FIRST NATIONAL BANK BUILDING – SOUTH DEARBORN STREET | CHICAGO | IL |
| FIRST NATIONAL BANK BUILDING – VINCENNES AVENUE | CHICAGO HEIGHTS | IL |
| First Presbyterian Church | Evanston | IL |
| FIRST PRESBYTERIAN CHURCH | CHICAGO | IL |
| Fisher Body | Marion | IL |
| FISHER BODY DIVISION | WILLOW SPRINGS | IL |
| Fisk Generating Station, Commonwealth Edison | Chicago | IL |
| Fisk Station | Peoria | IL |
| FISK STREET POWERHOUSE | CHICAGO | IL |
| FISK STREET POWERHOUSE | CHIGAGO | IL |
| FITZPATRICK BROTHERS, INCORPORATED | CHICAGO | IL |
| FLINN & DREFFEIN | NORTHBROOK | IL |
| Flinn & Dreffein Engineering Co | Northbrook | IL |
| FLINN & DREFFEIN ENGR CO | CHICAGO | IL |
| Flintkote Co. | Chicago | IL |
| Flintkote Company | Chicago Heights | IL |
| Flintkote Factory | Chicago | IL |
| FLORENCE STOVE COMPANY | KANKAKEE | IL |
| FLORIDA AVENUE RESIDENCE HALL | PEORIA | IL |
| FLORIDA CRUSHED STONE | STICKNEY | IL |
| FLUOR CORP. | ELWOOD | IL |
| Fluor Engineers & Contractors | Drummond | IL |
| FLYING CARPET MOTOR INN | CHICAGO | IL |
| FLYING W RANCH – NORTH EAST RIVER ROAD | NORRIDGE | IL |
| FMC | Chicago | IL |
| FOOTE BROTHERS GEAR WORKS | CHICAGO | IL |
| FORD MOTOR CO – STAMPING PLANT BOILER HOUSE | CHICAGO HEIGHTS | IL |
| FORD MOTOR CO. – STAMPING PLANT BOILER HOUSE | CHICAGO HEIGHTS | IL |
| Ford Motor Company | Chicago | IL |
| Ford Motors | Chicago | IL |
| FOREMAN MANUFACTURING COMPANY | CHICAGO RIDGE | IL |
| FOREST HILL MEDICAL CENTER – WEST 81ST STREET | JUSTICE | IL |
| FOREST PARK INDIVIDUAL EDUCATION GRADE SCHOOL | JOLIET | IL |
| FORGINGS & STAMPINGS | ROCKFORD | IL |
| FORREST MILK PRODUCTS COMPANY | FORREST | IL |
| FORT DEARBORN | CHICAGO | IL |
| FORT DEARBORN HOTEL | CHICAGO | IL |
| Fort Sheridan | Lake Forest | IL |
| Fort Wayne Corregated Paper Co. | Chicago | IL |
| FORTY EIGHT INSULATIONS, INC. | AURORA | IL |
| Forty Eight Rfg | Aurora | IL |
| FORTY-EIGHT INSULATION | AURORA | IL |
| Foseco | Chicago | IL |
| FOSTER KLEISER CORPORATION, 40TH AND MORGAN | CHICAGO | IL |
| Foster Wheeler Company | Woodriver | IL |
| Foster Wheeler Company | Harford | IL |
| Foster Wheeler Corporation | Roxana | IL |
| FOX INDUSTRIES | MADISON | IL |
| FRANCES CABRINI HOMES – 418 WEST OAK STREET | CHICAGO | IL |
| FRANCISCAN SISTERS | WHEATON | IL |
| FRANK FOUNDRIES CORP | MOLINE | IL |
| Frank Foundries Corporation | Moline | IL |
| FRANK OECHSLIN & COMPANY | BERWYN | IL |
| FRANKLIN COUNTY COAL COMPANY | ROYALTON | IL |
| FRANKLIN COUNTY MINING COMPANY | BENTON | IL |
| Franklin Hospital | Benton | IL |
| FRANKLIN LIFE | PEORIA | IL |
| FRANKLIN LIFE INSURANCE COMPANY | SPRINGFIELD | IL |
| Franklin School | Peoria | IL |
| FRASER & CHALMERS COMPANY | CHICAGO | IL |
| FRASER AND CHALMERS | CHICAGO | IL |
| FRED HARZ WELDING SHOP – WEST STATE STREET | GENEVA | IL |
| FRED W. WOLF COMPANY | CHICAGO | IL |
| FREEMAN COAL | WALTONVILLE | IL |
| FREEMAN COAL MINING CORP | WALTONVILLE | IL |
| FREEMAN COAL MINING CORPORATION | WALTONVILLE | IL |
| Freeman United Coal | Waltonville | IL |
| FREEMAN UNITED COAL MINING COMPANY | HERRIN | IL |
| FREEMAN UNITED COAL, FIDELITY MINE #11 | DUQUOIN | IL |
| FREEPORT GAS LIGHT AND COKE COMPANY – GAS PLANT | FREEPORT | IL |
| FREEPORT MALLEABLE IRON COMPANY | FREEPORT | IL |
| FREEPORT RAILWAY, LIGHT AND POWER COMPANY – POWER PLANT | FREEPORT | IL |
| FREMD HIGH SCHOOL, COOK COUNTY | PALATINE | IL |
| Frick Plumbing and Heating | Carbondale | IL |
| FRIEDMAN MANUFACTURING COMPANY | CHICAGO | IL |
| FRITO LAY, INCORPORATED | RIVER GRAVE | IL |
| Ft. Armstrong Theatre | Rock Island | IL |
| FUJI TRADING COMPANY | CHICAGO | IL |
| FULLERTON LUMBER CO. | FREEPORT | IL |
| FULLERTON LUMBER COMPANY | FREEPORT | IL |
| FULTON CORP | FULTON | IL |
| Fulton Saw Works | Chicago | IL |
| FULTON SCHOOL | CHICAGO | IL |
| FUNK BROTHERS SEED COMPANY | BLOOMINGTON | IL |
| Furniture Mart | Chicago | IL |
| Furnsa Electric Company | Batavia | IL |
| FW KRAUSE | CHICAGO | IL |
| G & E GREENHOUSE | DES PLAINES | IL |
| G.A. FULLER COMPANY | CHICAGO | IL |
| G.D. ROPER COMPANY | KANKAKEE | IL |
| G.D. ROPER CORPORATION | WEST KANKAKEE | IL |
| G.D. SEARIE DAND COMPANY | SKOKIE | IL |
| G.D. Searle | Chicago | IL |
| G.D. SEARLE & COMPANY | CHICAGO | IL |
| G.D. SEARLE & COMPANY – PRESCRIPTION DRUG MANUFACTURING PLANT | SKOKIE | IL |
| G.D. SEARLE AND COMPANY | SKOKIE | IL |
| G.H. HAMMOND COMPANY | CHICAGO | IL |
| G.M. CLARK AND COMPANY DIVISION | HARVEY | IL |
| G.P.E. CONTROLS | CHICAGO | IL |
| G.S. LYONS AND SONS LUMBER AND MANUFACTURING. COMPANY | DECATUR | IL |
| GAF (Ruberoid) | Joliet | IL |
| GAINES FOODS, INCORPORATED | KANKAKEE | IL |
| GALE PRODUCTS DIVISION, OUTBOARD MARINE, INCORPORATED | GALESBURG | IL |
| Galesburg Malleable Co | Galesburg | IL |
| GALESBURG PAVING BRICK COMPANY | GALESBURG | IL |
| GALESBURG RAILWAY AND LIGHT COMPANY – POWER PLANT | GALESBURG | IL |
| GALESBURG RAILWAY, LIGHTING, AND POWER COMPANY – POWER PLANT | GALESBURG | IL |
| GALESBURG SOY PRODUCTS COMPANY | GALESBURG | IL |
| GALLAGHER ASPHALT COMPANY | THORNTON | IL |
| GALLAGHER ASPHALT COMPANY | CHICAGO | IL |
| GALLAGHER ASPHALT COMPANY | KANKAKEE | IL |
| GARDEN CITY BREWERY | CHICAGO | IL |
| GARDEN CITY WET WASH LAUNDRY CO | CHICAGO | IL |
| GARDEN CITY WETWASH LAUNDRY CO | CHICAGO | IL |
| GARDNER | SOUTH BELOIT | IL |
| Gardner Denver | Quincy | IL |
| GARDNER DENVER CO | QUINCY | IL |
| GARDNER DENVER, INCORPORATED | QUINCY | IL |
| GARDNER GOVERNOR COMPANY | QUINCY | IL |
| Gardner Martin Asphalt | Chicago | IL |
| GARDNER-DENVER CO | QUINCY | IL |
| GARFIELD JUNIOR HIGH SCHOOL | CHICAGO | IL |
| GARMENT DISTRICT REALTY, INCORPORATED | CHICAGO | IL |
| GARRETT BIBLICAL INSTITUTE | CHICAGO | IL |
| GARRETT MORGAN SCHOOL | CHICAGO | IL |
| GARY TIN MILL | CHICAGO | IL |
| Gas Machinery Co. | Fayette | IL |
| GATES IRON COMPANY | CHICAGO | IL |
| GATES IRON WORKS | CHICAGO | IL |
| GATES RUBBER CO.(ARMSTRONG RUBBER) | GALESBURG | IL |
| Gates Rubber Company | Galesburg | IL |
| GATEWAY CENTER III BUILDING – SOUTH RIVERSIDE PLAZA | CHICAGO | IL |
| GATX TERMINALS CORPORATION | ARGO | IL |
| Gears & Transmission Corp. | Chicago | IL |
| GEM LAUNDRY | CHICAGO | IL |
| GEM LAUNDRY & CLEANERS | CHICAGO | IL |
| GEM LAUNDRY & DRY CLEANERS | CHICAGO | IL |
| GENERAL AMERICAN TANK AND STORAGE | CHICAGO | IL |
| GENERAL AMERICAN TANK STORAGE AND TERMINAL COMPANY | BEDFORD PARK | IL |
| GENERAL AMERICAN TRANSPORTATION CORPORATION | CHICAGO | IL |
| GENERAL AMERICAN TRANSPORTATION CORPORATION | EAST CHICAGO | IL |
| General Carbon & Chemical Corp. | Robinson | IL |
| GENERAL CARBON COMPANY | NAPERVILLE | IL |
| GENERAL CEMENT | ROCKFORD | IL |
| GENERAL CHEMICAL | WASHINGTON PARK | IL |
| GENERAL CHEMICAL COMPANY | EAST ST. LOUIS | IL |
| GENERAL CHEMICAL COMPANY | HEGEWISCH | IL |
| GENERAL CHEMICAL DIVISION OF ALLIED CHEMICAL AND DYE CORPORATION | EAST ST. LOUIS | IL |
| GENERAL CLASSROOM BLDG – SOUTHERN ILLINOIS UNIVERSITY | CARBONDALE | IL |
| General Controls | Des Plaines | IL |
| General Electric | DeKalb | IL |
| General Electric | Bloomington | IL |
| GENERAL ELECTRIC CO | BLOOMINGTON | IL |
| General Electric Company | Decatur | IL |
| GENERAL ELECTRIC COMPANY | BLOOMINGTON | IL |
| GENERAL ELECTRIC COMPANY | MORRISON | IL |
| General Electric Company | Danville | IL |
| GENERAL ELECTRIC COMPANY – CONTROL PRODUCTS PLANT | MORRISON | IL |
| GENERAL ELECTRIC COMPANY – DECATUR PLANT | DECATUR | IL |
| General Electric Company – Hotpoint Division | Cicero | IL |
| GENERAL ELECTRIC COMPANY – HOTPOINT PLANT | CHICAGO HEIGHTS | IL |
| General Electric Company – Light Manufacturing Plant | Mattoon | IL |
| General Electric Company – Manufacturing Plant | Danville | IL |
| General Electric Hotpoint Plant | Cicero | IL |
| GENERAL FOODS | KANKAKEE | IL |
| GENERAL FOODS – BLDG 17 | CHICAGO | IL |
| General Foods – Gaines-Burger Plant | Kankakee | IL |
| GENERAL FOODS CORP – KOOL AID DIVISION | CHICAGO | IL |
| GENERAL FOODS CORPORATION | KANKAKEE | IL |
| GENERAL INSULATION & ROOFING CO. | EAST PEORIA | IL |
| General Mill Chemicals | Kankakee | IL |
| General Mills | Kankaha | IL |
| General Mills | Chicago | IL |
| General Mills | Kankakee | IL |
| GENERAL MILLS | LINCOLNWOOD | IL |
| GENERAL MILLS – BLDG 17 | CHICAGO | IL |
| GENERAL MILLS CHEMICALS, INCORPORATED | KANKAKEE | IL |
| GENERAL MILLS, INC. | KANKAKEE | IL |
| GENERAL MILLS, INCORPORATED | WEST CHICAGO | IL |
| GENERAL MILLS, INCORPORATED | CHICAGO | IL |
| General Motors | Danville | IL |
| General Motors | Oakton | IL |
| General Motors | Tilton | IL |
| GENERAL MOTORS | LA GRANGE | IL |
| GENERAL MOTORS CORP – CENTRAL FOUNDRY DIV | DANVILLE | IL |
| GENERAL MOTORS CORP – DANVILLE PLANT | DANVILLE | IL |
| GENERAL MOTORS CORPORATION, FISHER BODY DIVISION | WILLOW SPRINGS | IL |
| GENERAL MOTORS FOUNDRY | DANVILLE | IL |
| General Motors-Electromotive | La Grange | IL |
| General Motors-Electromotive | Chicago | IL |
| General Motors-Electromotive | Mccook | IL |
| GENERAL OFFICE BUILDING | PEORIA | IL |
| GENERAL OIL FIELD SUPPLY CO. | OLNEY | IL |
| GENERAL PORTLAND CEMENT | CHICAGO | IL |
| GENERAL PRINTING INK CORPORATION | CLEARING | IL |
| GENERAL ROOFING COMPANY | MARSEILLES | IL |
| GENERAL SERVICES ADMINISTRATION | ROCK ISLAND | IL |
| General Signal | Chicago | IL |
| General Steel | Granite City | IL |
| General Steel | Alton | IL |
| GENERAL STEEL AND WIRE COMPANY | CHICAGO | IL |
| General Steel Cast Co. | Granite City | IL |
| GENERAL STEEL INDUSTRIES | GRANITE CITY | IL |
| GENEVA MODERD KITCHINS INC | GENEVA | IL |
| GENEVA MODERN KITCHENS | GENEVA | IL |
| GENOA MANUFACTURING | GENOA | IL |
| Genoa Powerhouse | Genoa | IL |
| GENSTAR | CHICAGO HEIGHTS | IL |
| GENSTAR CORPORATION | CHICAGO HEIGHTS | IL |
| George & Wrather Oil Company | Mt. Carmel | IL |
| George & Wrather Oil Company | Robinson | IL |
| GEORGE B. SWIFT & COMPANY | CHICAGO | IL |
| GEORGE F. MEPHAM CORPORATION | EAST ST. LOUIS | IL |
| GEORGE LOMAX | CHICAGO | IL |
| GEORGE S. MEPHAM CORPORATION | EAST ST. LOUIS | IL |
| GEORGIA PACIFIC CORPORATION | ELK GROVE VILLAGE | IL |
| GERLACH-BARKLOW CO | JOLIET | IL |
| GERMAN AMERICAN PORTLAND CEMENT COMPANY | LASALLE | IL |
| GERMAN AMERICAN PORTLAND CEMENT WORKS | LASALLE | IL |
| GERTS LOMBARD & COMPANY | CHICAGO | IL |
| GIBSON APPLIANCE CO | CENTRALIA | IL |
| Gillespie Elementary School, 93d & State | Chicago | IL |
| GILLETTE CHEMICAL COMPANY | N. CHICAGO | IL |
| GINGER CREEK OFFICE BUILDING – KENSINGTON COURT | OAK BROOK | IL |
| GIRDLER CORPORATION | MAPLETON | IL |
| Gl Vaughn | St. Louis | IL |
| GLASS HOUSE | EAST SAINT LOUIS | IL |
| GLASSER CRANDELL COMPANY | CHICAGO | IL |
| Glenbard High School | Glen Ellyn | IL |
| GLENBROOK NORTHHIGH SCHOOL | NORTHBROOK | IL |
| Glenbrook South High School | Glenview | IL |
| Glencoe High School | Glencoe | IL |
| Glencoe Union Presbyterian Church | Glencoe | IL |
| Glendale Heights Village Sewage Treatment Plant | Glen Ellyn | IL |
| GLENVIEW AIR STATION | GLENVIEW | IL |
| GLENWOOD SCHOOL FOR BOYS | GLENWOOD | IL |
| GLIDDEN COMPANY | CHICAGO | IL |
| GLIDDEN COMPANY | COLLINSVILLE | IL |
| GLIDDEN SOYBEAN PLANT | CHICAGO | IL |
| GLOBE DISTILLERY | PEKIN | IL |
| GLOBE IMPERIAL | ROCKFORD | IL |
| GLOBE INDUSTRIES | CHICAGO | IL |
| GLOBE LAUNDRY CO | CHICAGO | IL |
| GLOBE OIL & REFINING CO | LEMONT | IL |
| GLOBE OIL & REFINING CO – GATE #2 | LEMONT | IL |
| Globe Oil & Refining Company | Lamont | IL |
| Globe Oil & Refining Company | Lemont | IL |
| GLOBE ROOFING PRODUCTS INCORPORATED | CHICAGO | IL |
| GLUCOSE SUGAR REFINERY COMPANY | PEORIA | IL |
| GLUCOSE SUGAR REFINING COMPANY | ROCKFORD | IL |
| GLUCOSE SUGAR REFINING COMPANY | CHICAGO | IL |
| Goder Joseph Incinerators | Elk Grove Vil | IL |
| GOLD COAST MOTOR SALES | CHICAGO | IL |
| GOLDSCHMIDT CHEMICAL CORPORATION | MAPLETON | IL |
| GONITS FOUNDRY COMPANY | ROCKFORD | IL |
| GOOD SAMARITAN HOSPITAL | MT. VERNON | IL |
| GOODMAN MANUFACTURING COMPANY | CHICAGO | IL |
| GOODRICH CHEMICAL COMPANY | HENRY | IL |
| Goodsell Products Inc. | Crystal Lake | IL |
| GOODYEAR TIRE AND RUBBER COMPANY | NORTH CHICAGO | IL |
| GOODYEAR TIRE AND RUBBER COMPANY | WAUKEGAN | IL |
| GORDON BAKING COMPANY | CHICAGO | IL |
| GOSS PRINTING PRESS COMPANY – SOUTH PAULINA STREET | CHICAGO | IL |
| GOTTFRIED BREWING COMPANY | CHICAGO | IL |
| GRABLER MANUFACTURING COMPANY | CHICAGO | IL |
| GRACE AND HYDE | CHICAGO | IL |
| GRACE EVANGELICAL LUTHERAN CHURCH | LAGRANGE | IL |
| GRAHAM HOSPITAL | CANTON | IL |
| GRAIN ELEVATOR | LINCOLN | IL |
| GRANBY MINING AND SMELTING COMPANY, ROSE LAKE | EAST ST. LOUIS | IL |
| GRANBY MNING AND SMELTING COMPANY | EAST ST. LOUIS | IL |
| Grand Tower Powerhouse | Grand Tower | IL |
| GRANITE CITY MANUFACTURING COMPANY | GRANITE CITY | IL |
| GRANITE CITY SCHOOL | GRANITE CITY | IL |
| Granite City Steel | Granite CIty | IL |
| GRANITE CITY STEEL CO | GRANITE CITY | IL |
| GRANITE CITY STEEL CO – BLAST FURNACE | GRANITE CITY | IL |
| Granite City Steel Co. | Granite City | IL |
| Granite City Steel Company | Granite City | IL |
| Grant Wilson Inc | Chicago | IL |
| Grant Wilson Inc. | Chicago | IL |
| GRAY ELECTRIC COMPANY – HEADQUARTERS BUILDING | HIGHLAND PARK | IL |
| GRAYSLAKE GELETIN CO | GREYS LAKE | IL |
| GREAT LAKES CARBON | CHICAGO | IL |
| GREAT LAKES CARBON CORP (CALUMENT PLANT) | CHICAGO | IL |
| Great Lakes Carbon Corp. | Morton Grove | IL |
| GREAT LAKES CARBON CORPORATION | CHICAGO | IL |
| GREAT LAKES FORGE | AURORA | IL |
| GREAT LAKES HOSPITAL | GREAT LAKES | IL |
| GREAT LAKES NAVAL – BLDG 17 | CHICAGO | IL |
| GREAT LAKES NAVAL JOB – BLDG 17 | CHICAGO | IL |
| Great Lakes Naval Station Supply Center | Waukegan | IL |
| Great Lakes Naval Station Supply Center | Great Lakes | IL |
| GREAT LAKES NAVAL TRAINING CENTER, MACHINIST MATE AND BOILERMANS SCHOOL | NORTH CHICAGO | IL |
| Great Lakes Naval Training Station | Great Lakes | IL |
| GREAT LAKES PLATING JAPANING COMPANY | CHICAGO | IL |
| GREAT LAKES REFINING COMPANY | BLUE ISLAND | IL |
| Great Lakes Storage & Container Company | Chicago | IL |
| GREAT LAKES TRAINING CENTER | NORTH CHICAGO | IL |
| GREAT WESTERN CEREAL COMPANY | CHICAGO | IL |
| GREAT WESTERN DISTILLERY | PEORIA | IL |
| GREAT WESTERN DISTILLING COMPANY | PEORIA | IL |
| GREAT WESTERN LAUNDRY COMPANY | CHICAGO | IL |
| Greater Peoria Sanitary & Sewage Disposal | Peoria | IL |
| GRECO INDUSTRIES, 9451 W. BELMONT | FRANKLIN PARK | IL |
| GREEN GIANT PLANT | BELVIDERE | IL |
| GREEN STREET SCHOOL | MASCOUTH | IL |
| GREENACRE CLEANERS | DEKALB | IL |
| GREENEBAUM TANNING COMPANY | CHICAGO | IL |
| GREENLEE BROTHERS | ROCKFORD | IL |
| GREENLEE BROTHERS AND COMPA | ROCKFORD | IL |
| GREENLEE BROTHERS AND COMPANY | CHICAGO | IL |
| GREENLEE BROTHERS AND COMPANY | ROCKFORD | IL |
| GREISER & SON | DANVILLE | IL |
| Greiss & Pfleiger Tannery | Waukegan | IL |
| GREKE PLUMBING AND HEATING | MOLINE | IL |
| Gresham Elementary School, 8510 S. Green | Chicago | IL |
| GRIESEDIECK WESTERN BREWERY | BELLEVIEW | IL |
| GRIESS PFLEGER TANNING COMPANY | WAUKEGAN | IL |
| GRIESS-PFLEGER TANNING COMPANY | WAUKEGAN | IL |
| Griffin Wheel | West Chicago | IL |
| GRIFFIN WHEEL COMPANY | CHICAGO | IL |
| GRIFFIN WHEEL COMPANY | PULLMAN | IL |
| GRIGOLEIT COMPANY | DECATUR | IL |
| GRIGSBY GRUNOW COMPANY | CHICAGO | IL |
| Grossman Plumbing Company | Mundelein | IL |
| GROYDEN HOTEL | CHICAGO | IL |
| Grunwald Plating | Chicago | IL |
| Guggenheim Elementary School, 72d Street west of Dan Ryan Expressway | Chicago | IL |
| GULF MOBILE CHICAGO RAIL ROAD | BLOOMINGTON | IL |
| GULF MOBILE OHIO RAIL ROAD | BLOOMINGTON | IL |
| Gulf Oil Corporation | Edgewood | IL |
| Gulf Oil Corporation | Valmeyer | IL |
| Gulf Oil Corporation | West York | IL |
| GUNITE CORPORATION | ROCKFORD | IL |
| Gunite Division – Kelsey-Hayes Co. | Rockford | IL |
| GUNITE FOUNDRIES CORPORATION | ROCKFORD | IL |
| GUNITE FOUNDRIES DIVISION OF KELSEY-HAYES COMPANY | ROCKFORD | IL |
| Gunners Mates Service School | Great Lakes | IL |
| GUTMANN & CO | CHICAGO | IL |
| H M HARPER | MORTON GROVE | IL |
| H. DOUGLAS SINGER CLINIC | PEORIA | IL |
| H. KOPPERS, ENGINEERING DIVISION | JOLIET | IL |
| H. KRAMER CO. | CHICAGO | IL |
| H. MUELLER MANUFACTURING COMPANY | DECATUR | IL |
| H. S. MCCRAY | LOCKPORT | IL |
| H.K. FERGUSON COMPANY | POLO | IL |
| H.M. BYLLESBY & COMPANY | CHICAGO | IL |
| H.M. BYLLESLY & COMPANY | CHICAGO | IL |
| H.M. HARPER COMPANY | MORTON GROVE | IL |
| H.W. Johns Manville | Waukegan | IL |
| H.W. Johns Manville Co. | Waukegan | IL |
| H.W. JOHNS-MANVILLE COMPANY | WAUKEGAN | IL |
| HAGGAR ZINC | DANVILLE | IL |
| HAHNE & CO. | DANVILLE | IL |
| Hale Elementary School, 6140 S Melvina | Chicago | IL |
| HALES & HUNTER | DOLTON | IL |
| HALES AND EDWARDS COMPANY | RIVERDALE | IL |
| HALES AND HUNTER COMPANY | RIVERDALE | IL |
| HALES ELEVATOR COMPANY | RIVERDALE | IL |
| Hales Franciscan High School | Chicago | IL |
| HALL ALUMINUM | CHICAGO | IL |
| HALL ALUMINUM CO | CHICAGO HEIGHTS | IL |
| HAMLIN CASTING CO | EDWARDSVILLE | IL |
| HAMLIN CASTING CORPORATION | EDWARDSVILLE | IL |
| HAMMOND ORGAN COMPANY | CHICAGO | IL |
| HAMPSHIRE HOUSE | CHICAGO | IL |
| HANDY BUTTON REALTY CORPORATION | CHICAGO | IL |
| HANGER LOT A | CHICAGO | IL |
| HANLEY CASEY COMPANY | CHICAGO | IL |
| HANNA CITY STATE BOYS SCH | HANNA CITY | IL |
| HANSELL-ELCOCK COMPANY | CHICAGO | IL |
| HANSON SCALE COMPANY | CHICAGO | IL |
| HANSON SCALE COMPANY | NORTHBROOK | IL |
| HARBISON WALKER REFRACTORIES | EAST CHICAGO | IL |
| HARBOR LIGHTS COCKTAIL LOUNGE | GALESBURG | IL |
| HARCO ALUMINUM | CHICAGO | IL |
| HARCO ALUMINUM CO | CHICAGO | IL |
| HARDING DITCH HIGHWAY | WASHINGTON PARK | IL |
| HARDVILLE HERSHEY CORPORATION | DECATUR | IL |
| Harlem Irving Plaza Shopping Center | Norridge | IL |
| HARMONY COMPANY | CHICAGO | IL |
| Harnish Company | Chicago | IL |
| HAROLD GUNNARSON COMPANY – 5153 NORTH CLARK STREET | CHICAGO | IL |
| HAROLD GUNNARSON COMPANY, 5153 NORTH CLARK ST. | CHICAGO | IL |
| HARRIS BANK – ADDITION II | CHICAGO | IL |
| HARRIS BROTHERS | CHICAGO | IL |
| HARRIS TRUST BUILDING | CHICAGO | IL |
| HARRIS-HUB BED & SPRING COMPANY | HARVEY | IL |
| HARRISON LITHOGRAPHIC | CHICAGO | IL |
| HARRISON STREET PUMPING STATION | CHICAGO | IL |
| HARRISON TECHNICAL SCHOOL | CHICAGO | IL |
| HART AND COOLEY MANUFACTURING COMPANY | SOUTH CHICAGO | IL |
| HART CARTER COMPANY | PEORIA | IL |
| HARTFORD INSURANCE BUILDING | CHICAGO | IL |
| HARTMANN-SANDERS COMPANY | CHICAGO | IL |
| Hartwell Drainage & Levee District | Hillview | IL |
| Harvard Elementary School, 7525 S. Harvard | Chicago | IL |
| HARVEST BRANDS | HAVANA | IL |
| HARVEY METALS CORPORATION | CHICAGO | IL |
| HASCO CONSTRUCTION CO | CHICAGO | IL |
| HATELEY BROTHERS | CHICAGO | IL |
| Havana Powerhouse | Havana | IL |
| HAWTHORN-MELLODY FARMS | CHICAGO | IL |
| Hawthorne Race Track | Cicero | IL |
| HAWTHORNE WORKS | CHICAGO | IL |
| HAYT, ALSIK COMPANY | CHICAGO | IL |
| HEALY MECH CTRS | MOFFITT PARK | IL |
| Hefferan Elementary School | Chicago | IL |
| Hefferan Elementary School? | Chicago | IL |
| HEGELER BROTHERS | DANVILLE | IL |
| HEGELER ZINC COMPANY | DANVILLE | IL |
| HEICK DIE CASTING CORPORATION | CHICAGO | IL |
| HEIDBREDER BROTHERS | QUINCY | IL |
| HEINEMANNS BAKERY | CHICAGO | IL |
| HELLSTROM | FRANKLIN PARK | IL |
| Hellstrom Corp | Franklin Park | IL |
| HELUBACHER FORGE AND ROLLING MILL COMPANY | MADISON | IL |
| HELUBACHER FORGE AND ROLLING MILLS CORPORATION | MADISON | IL |
| Henderson Armature Works | Alton | IL |
| Hendrickson Auto Spring | Chicago | IL |
| Hendrickson International | Chicago | IL |
| HENRIETTA SCHOOL | ROCKFORD | IL |
| HENRIKSEN | BERKLEY | IL |
| HENRIKSEN | CHICAGO | IL |
| HENRIKSEN – AMERICAN STEEL CONT. | CHICAGO | IL |
| HENRIKSEN – UNDERWRITERS LAB | NORTHBROOK | IL |
| Henriksen C O Co | Berkeley | IL |
| HENRY ENGINEERING CO | MOLINE | IL |
| HENRY HORNER HOMES – 1834 WEST WASHINGTON BOULEVARD | CHICAGO | IL |
| HERMAN M. ADLER CLINIC | CHAMPAIGN | IL |
| HERRIN HIGH SCHOOL | HERRIN | IL |
| HERRIN HOSPITAL | HERRIN | IL |
| HERSCHEL R MANUFACTURING | E PEORIA | IL |
| HI HARD ROLLS CO. | HARVEY | IL |
| HI HARD ROLLS COMPANY | HARVEY | IL |
| HI-HARD ROLLS | HARVEY | IL |
| HIBBARD SCHOOL | CHICAGO | IL |
| HIGH SCHOOL | CHESTER | IL |
| HIGHLAND HOSPITAL | BELVIDERE | IL |
| Highland Park High School | Highland Park | IL |
| HIGHLAND PARK HOSPITAL | HIGHLAND PARK | IL |
| HIGHLAND PARK SCHOOL | HIGHLAND PARK | IL |
| HIGHWAY DEPARTMENT BUILDING | SPRINGFIELD | IL |
| Hill Thomas Company | East St. Louis | IL |
| HILLIARD HOMES – 2030 SOUTH STATE | CHICAGO | IL |
| HILLMAN’S FOOD WAREHOUSE | CHICAGO | IL |
| HILLSBORO ELECTRIC LIGHT AND POWER COMPANY – POWER PLANT | HILLSBORO | IL |
| HILLSBORO GLASS | HILLSBORO | IL |
| HILLSBORO GLASS CO. | HILLSBORO | IL |
| Hillsboro Glass Company | Hillsboro | IL |
| HILLSBORO HIGH SCHOOL | HILLSBORO | IL |
| Hilltop Apartments | Chicago Heights | IL |
| HINCKLEY & SCHMITT INC | CHICAGO | IL |
| HINDE AND DAUCH PAPER COMPANY | CHICAGO | IL |
| Hines Hospital | Maywood | IL |
| HINES VETERANS HOSPITAL | HINES | IL |
| HINSDALE HOSPITAL | HINSDALE | IL |
| HINSDALE SANITARIUM AND HOSPITAL | HINSDALE | IL |
| Hinton Elementary School, 644 W. 71st | Chicago | IL |
| HIRAM WALKER | PEORIA | IL |
| HIRAM WALKER & SONS | PEORIA | IL |
| Hiram Walker & Sons, Inc. | Peoria | IL |
| HIRAM WALKER & SONS, INCORPORATED | PEORIA | IL |
| HIRAM WALKER & SONS, INCORPORATED, PEORIA PLANT | PEORIA | IL |
| Hiram Walker Distillery | Peoria | IL |
| Hiram Walker Glass | Hillsboro | IL |
| HIRAM WALKER INCORPORATED | PEORIA | IL |
| HIRAM WALKER, INCORPORATED | PEORIA | IL |
| HIRSH STEIN AND COMPANY | WEST HAMMOND | IL |
| HODGSON FOUNDRY | CHICAGO | IL |
| HOEFER MANUFACTURING | FREEPORT | IL |
| HOFFMANN STAFFORD TANNING CO | CHICAGO | IL |
| HOLABIRD AND ROCHE | CHICAGO | IL |
| HOLABIRD AND ROCHE, CHICAGO SAVINGS BANK BUILDING | CHICAGO | IL |
| HOLIDAY BOWLING LANES – NORTH HARLEM AVENUE | CHICAGO | IL |
| HOLIDAY INN | ROLLING MEADOWS | IL |
| HOLIDAY INN – 74TH & SOUTH CICERO | CHICAGO | IL |
| HOLIDAY INN – U.S. 34 | GALESBURG | IL |
| HOLIDAY INN – WEST 95TH STREET | OAK LAWN | IL |
| Holiday Inn Motel | Willow Brooks | IL |
| Holiday Inn Of America | Glen Ellyn | IL |
| HOLIDAY INN, 74TH & SOUTH CICERO | CHICAGO | IL |
| HOLIDAY LAUNDRY | SKOKIE | IL |
| Holiday Theater | Park Forest | IL |
| HOLLAND ENERGY FACILITY | BEECHER CITY | IL |
| HOLLYWOOD BRANDS, INCORPORATED | CENTRALIA | IL |
| HOLLYWOOD VASSARETTE | CHICAGO | IL |
| HOLY CROSS HOSPITAL | CHICAGO | IL |
| HOLY FAMILY ACADEMY, 1444 W. DIVISION | CHICAGO | IL |
| HOLY FAMILY HOSPITAL | DES PLAINES | IL |
| HOME CRYSTAL WASH | CHICAGO | IL |
| HOME FEDERAL SAVINGS & LOAN ASSOCIATION | CHICAGO | IL |
| HOME FOR DESTITUTE CRIPPLED CHILDREN – MAYPOLE AVENUE | CHICAGO | IL |
| HOME INSURANCE COMPANY | CHICAGO | IL |
| HONES VETERANS HOSPITAL | HINES | IL |
| HONEYWELL PLANT | COOK COUNTY | IL |
| HOOPESTON ELECTRIC LIGHT AND HEATING COMPANY – POWER PLANT | HOOPESTON | IL |
| HOOPESTON FOODS, INCORPORATED | HOOPESTON | IL |
| HOPPER PAPER COMPANY | TAYLORVILLE | IL |
| HORACE MANN SCHOOL | ROBBINS | IL |
| Horton Process Division Chic BR&IRN | Oakbrook | IL |
| HOSPITAL SERVICES | CHICAGO | IL |
| HOTEL SHERMAN | CHICAGO | IL |
| Hotpoint | Chicago | IL |
| HOTPOINT COMPANY | CHICAGO HEIGHTS | IL |
| HOTPOINT DIVISION OF GENERAL ELECTRIC | CICERO | IL |
| Hotpoint Plant- General Electric | Cicero | IL |
| Hotpoint, Inc. | Cicero | IL |
| HOUDAILLE HERSHEY CORPORATION | DECATUR | IL |
| Houdaille-Hershey Corporation | Decatur | IL |
| HOUSING FOR ELDERLY | CHICAGO | IL |
| HOWARD FOUNDRY | CHICAGO | IL |
| HOWARD JOHNSON MOTOR INN | CHICAGO | IL |
| HOYT METAL COMPANY | GRANITE CITY | IL |
| Hubbard School | CHICAGO | IL |
| HUDSON ENGINEERING & FAB | CHICAGO | IL |
| Hudsonville Powerhouse | Hudsonville | IL |
| HUGH YOUNG | CHICAGO | IL |
| HUGLE W. DYER MARQUETTE BUILDING | CHICAGO | IL |
| Humco | Champaign | IL |
| HumKo Company – Oil Products Plant | Champaign | IL |
| HUMKO OIL PLANT | CHAMPAIGN | IL |
| HUMKO OIL PLANT – WAREHOUSE | CHAMPAIGN | IL |
| Humko Products | Champaign | IL |
| HUMMER MANUFACTURING PLANT | SPRINGFIELD | IL |
| Humphry & Sons Company | Joliet | IL |
| Hunt Drainage District | Warsaw | IL |
| HUNT FOODS AND INDUSTRIES, INCORPORATED, HUNT-WESSON FOODS DIVISION | CHICAGO | IL |
| HUNT WESSEN COMPANY | CHICAGO | IL |
| HUNT-WESSON FOODS, INCORPORATED | CHICAGO | IL |
| Hunter Packing | East St. Louis | IL |
| HUNTER PACKING | EAST SAINT LOUIS | IL |
| HUNTER PACKING COMPANY | EAST ST. LOUIS | IL |
| HURON AND ORLEANS BUILDING CORPORATION | CHICAGO | IL |
| Huss & Schlieper | Decatur | IL |
| HUTCHINSON FOUNDRY | ALTON | IL |
| HUTCHINSON FPUNDRY | ALTON | IL |
| Hutsonville Powerhouse | Hutsonville | IL |
| HYDE PARK COMMUNITY HOSPITAL | HYDE PARK | IL |
| HYDE PARK ELECTRIC LIGHT AND POWER COMPANY – POWER PLANT | CHICAGO | IL |
| Hyde Park High School | Chicago | IL |
| HYDE PARK HIGH SCHOOL – SOUTH STONY ISLAND AVENUE | CHICAGO | IL |
| HYDE PARK HOTEL | CHICAGO | IL |
| Hydro-Blast Corporation | Chicago | IL |
| Hydro-Blast Corporation | Rockford | IL |
| HYGIENIC ICE COMPANY | CHICAGO | IL |
| HYGRADE FOOD PRODUCTS CORPORATION | QUINCY | IL |
| HYMAN MICHEALS COMPANY | CHICAGO | IL |
| HYON WASTE MGMT SERVICE I | CHICAGO | IL |
| HYSAN PRODUCTS COMPANY | CHICAGO | IL |
| Hyster | Danville | IL |
| HYSTER CO | PEORIA | IL |
| Hyster Company | Danville | IL |
| IBM | CHICAGO | IL |
| IBM BLDG | CHICAGO | IL |
| IDA B. WELLS-DARROW HOMES – 3850 SOUTH RHODES AVENUE | CHICAGO | IL |
| IDEAL HEATING CO | BROOKFIELD | IL |
| IDEAL INDUSTRIES | SYCAMORE | IL |
| IJ CASE TENNECO | ROCK ISLAND | IL |
| IL STATE UNIVERSITY | NORMAL | IL |
| Illini Union Building | Champaign | IL |
| ILLINOIS AP GREEN | CHICAGO | IL |
| ILLINOIS AP GREEN F B C | CHICAGO | IL |
| ILLINOIS ATHLETIC CLUB | CHICAGO | IL |
| ILLINOIS BELL | EDGEMONT | IL |
| ILLINOIS BELL | SPRINGFIELD | IL |
| ILLINOIS BELL TELEPHONE CO. – NO 5 CROSS BAR STATION | Galena | IL |
| ILLINOIS BRICK CO | BLUE ISLAND | IL |
| ILLINOIS BRICK COMPANY | BROADVIEW | IL |
| ILLINOIS BRICK COMPANY | BLUE ISLAND | IL |
| ILLINOIS BRICK COMPANY | CHICAGO | IL |
| ILLINOIS BRICK COMPANY | SHERMERVILLE | IL |
| ILLINOIS BRICK COMPANY | BERNICE | IL |
| ILLINOIS BRICK COMPANY, YARD #24 | CHICAGO | IL |
| ILLINOIS BRICK COMPANY, YARD #3 | EVANSTON | IL |
| ILLINOIS BRICK COMPANY, YARD #42 | BLUE ISLAND | IL |
| Illinois Canning Co. | Hoopeston | IL |
| ILLINOIS CANNING CO. (a/k/a Joan of Arc Co.) | HOOPESTON | IL |
| ILLINOIS CAR & EQUIPMENT COMPANY | CHICAGO | IL |
| Illinois Cement Company | LaSalle | IL |
| ILLINOIS CENTRAL GULF SHOPS | NOT PROVIDED | IL |
| ILLINOIS CENTRAL R.R. CO. – I. C. ROUNDHOUSE | CLINTON | IL |
| Illinois Central Railroad | Chicago | IL |
| Illinois Central Railroad | Centralia | IL |
| ILLINOIS CENTRAL RAILROAD | CLINTON | IL |
| ILLINOIS CENTRAL RAILROAD CO | CENTRALIA | IL |
| ILLINOIS CENTRAL RAILROAD CO | CHICAGO | IL |
| ILLINOIS CENTRAL RAILROAD COMPANY | CENTRALIA | IL |
| ILLINOIS CENTRAL RAILROAD COMPANY | CHICAGO | IL |
| ILLINOIS CENTRAL RAILROAD COMPANY | CLINTON | IL |
| ILLINOIS CENTRAL RR | CHAMPAIGN | IL |
| ILLINOIS CENTRAL RR | CLINTON | IL |
| ILLINOIS CENTRAL RR* | CHICAGO | IL |
| Illinois Central System | Centralia | IL |
| ILLINOIS CEREAL MILLS INC | PARIS | IL |
| ILLINOIS CEREAL MILLS, INCORPORATED | PARIS | IL |
| ILLINOIS CHEMICAL COMPANY | CHICAGO HEIGHTS | IL |
| ILLINOIS CLAY PRODUCTS | JOLIET | IL |
| ILLINOIS CLAY PRODUCTS CO. | GOOSELAKE | IL |
| ILLINOIS EASTERN HOSPITAL | KANKAKEE | IL |
| Illinois Fibre Speciality | Chicago | IL |
| ILLINOIS FIRE PROOF COVERING | CHICAGO | IL |
| Illinois Glass | Alton | IL |
| ILLINOIS GRANITE CITY STEEL | GRANITE CITY | IL |
| ILLINOIS INST. OF MENTALLY RETARDED | CENTRALIA | IL |
| Illinois Inst. of Technology | Chicago | IL |
| ILLINOIS INSTITUTE OF TECHNOLOGY | CHICAGO | IL |
| Illinois Insulation & Const Co | Chicago | IL |
| ILLINOIS INSULATION & CONSTRUCTION | CHICAGO | IL |
| ILLINOIS IRON AND BOLT COMPANY | CARPENTERSVILLE | IL |
| ILLINOIS MAINTENANCE CO – QUINCY PLANT | CHICAGO | IL |
| ILLINOIS MAINTENANCE COMPANY | CHICAGO | IL |
| ILLINOIS MASONIC HOSPITAL | CHICAGO | IL |
| ILLINOIS MEAT CO | CHICAGO | IL |
| ILLINOIS NORTHERN HOSPITAL FOR THE INSANE | ELGIN | IL |
| Illinois Ordnance | Marion | IL |
| ILLINOIS ORDNANCE PLANT | MARION | IL |
| ILLINOIS PACKING CO | CHICAGO | IL |
| ILLINOIS PLASTIC MOLDING | CHICAGO | IL |
| ILLINOIS PORK CORPORATION | MONMOUTH | IL |
| ILLINOIS POWER | HAVANA | IL |
| Illinois Power | Tuscola | IL |
| Illinois Power | Belleville | IL |
| Illinois Power | Bloomington | IL |
| Illinois Power | Danville | IL |
| Illinois Power | Oakwood | IL |
| ILLINOIS POWER – HENNEPIN POWER STATION | HENNEPIN | IL |
| ILLINOIS POWER AND LIGHT – PLANT | EAST ALTON | IL |
| ILLINOIS POWER CO | HAVANA | IL |
| Illinois Power Co | Galesburg | IL |
| ILLINOIS POWER CO | DANVILLE | IL |
| ILLINOIS POWER CO | ALL IL LOCATIONS | IL |
| ILLINOIS POWER CO | MARYVILLE | IL |
| ILLINOIS POWER CO | DECATUR | IL |
| ILLINOIS POWER CO – HENNEPIN STATION | DECATUR/HENNEPIN | IL |
| ILLINOIS POWER CO – VERMILION | OAKWOOD / DANVILLE | IL |
| ILLINOIS POWER CO – WOOD RIVER | EAST ALTON/WOOD RIVER | IL |
| ILLINOIS POWER CO-VERMILLION | OAKWOOD | IL |
| ILLINOIS POWER CO. | DANVILLE | IL |
| ILLINOIS POWER CO. | DECATUR | IL |
| ILLINOIS POWER CO. | HAVANA | IL |
| ILLINOIS POWER CO. | MARYVILLE | IL |
| ILLINOIS POWER CO. – CLINTON POWER STATION | Clinton | IL |
| Illinois Power Company | Decatur | IL |
| Illinois Power Company | Depeu | IL |
| Illinois Power Company | Morants | IL |
| Illinois Power Company | Oakwood | IL |
| Illinois Power Company | East Alton | IL |
| Illinois Power Company – Baldwin Energy Station – Unit 1 | Baldwin | IL |
| ILLINOIS POWER COMPANY – BALDWIN ENERGY STATION – UNIT 2 | BALDWIN | IL |
| ILLINOIS POWER COMPANY – BALDWIN POWER STATION | BALDWIN | IL |
| Illinois Power Company – Baldwin Power Station – Track 5 | Baldwin | IL |
| Illinois Power Company – Freeburg Gas Storage | Freeburg | IL |
| ILLINOIS POWER COMPANY – HAVANA POWER STATION | HAVANA | IL |
| ILLINOIS POWER COMPANY – HAVANA POWER STATION – UNIT 6 | HAVANA | IL |
| ILLINOIS POWER COMPANY – HENNEPIN POWER STATION | HENNEPIN | IL |
| ILLINOIS POWER COMPANY – POWER PLANT | DANVILLE | IL |
| ILLINOIS POWER COMPANY – ROUTE 13 | FREEBURG | IL |
| ILLINOIS POWER COMPANY – VERMILION POWER STATION | OAKWOOD | IL |
| Illinois Power Company – Wood River Station | Alton | IL |
| Illinois Power Company- Havana Power Station | Havana | IL |
| Illinois Power Company- Wood River Power Station | E. Alton | IL |
| ILLINOIS PUBLIC SERVICE COMPANY | MEREDOSIA | IL |
| ILLINOIS RAIL ROAD CENTRAL COMPANY | CHICAGO | IL |
| Illinois Rural Electric Co. | Pittsfield | IL |
| Illinois Sanitary District (Decatur) | Harristown | IL |
| ILLINOIS SHADE CLOTH COMPANY | CHICAGO HEIGHTS | IL |
| ILLINOIS SOLDIERS’ AND SAILORS’ HOME | QUINCY | IL |
| ILLINOIS STATE FAIRGROUNDS | SPRINGFIELD | IL |
| ILLINOIS STATE FARM | VANDALIA | IL |
| ILLINOIS STATE HIGHWAY DEPARTMENT | SPRINGFIELD | IL |
| ILLINOIS STATE PENITENTIA | PONTIAC | IL |
| ILLINOIS STATE PENITENTIA | MENARD | IL |
| Illinois State Penitentiary | Pontiac | IL |
| ILLINOIS STATE PENITENTIARY | JOLIET | IL |
| ILLINOIS STATE PENITENTIARY | MENARD | IL |
| ILLINOIS STATE PENITENTIARY | VIENNA | IL |
| Illinois State School | Jacksonville | IL |
| ILLINOIS STATE UNIVERSITY | NORMIL | IL |
| ILLINOIS STATE UNIVERSITY | NORMAL | IL |
| ILLINOIS STEEL COMPANY | CHICAGO | IL |
| ILLINOIS STEEL COMPANY | SOUTH CHICAGO | IL |
| ILLINOIS STEEL COMPANY | JOLIET | IL |
| ILLINOIS STRAWBOARD PAPER CORPORATION | ROCK FALLS | IL |
| ILLINOIS SUPPLY | AURORA | IL |
| ILLINOIS TOOL WORKS – NORTH KEELER AVENUE | CHICAGO | IL |
| ILLINOIS TRACTION COMPANY | DECATUR | IL |
| ILLINOIS TRACTION SYSTEM | PEORIA | IL |
| ILLINOIS TRACTION SYSTEM | RIVERTON | IL |
| ILLINOIS TUBE | SKOKIE | IL |
| Illinois Vinegar Co. | Chicago | IL |
| ILLINOIS VINEGAR MANUFACTURING COMPANY | CHICAGO | IL |
| ILLINOIS WESLEYAN UNIVERS | BLOOMINGTON | IL |
| ILLINOIS WESTERN HOSPITAL FOR THE INSANE | WATERTOWN | IL |
| ILLINOIS ZINC COMPANY | PERU | IL |
| ILLINOIS-IOWA POWER COMPANY (a/k/a Illinois Power) | DANVILLE | IL |
| IMMACULATE CONCEPTION CHURCH | CHICAGO | IL |
| INCINERATOR INC. | CICERO | IL |
| INCOBRASA INDUSTRIES | GILMAN | IL |
| INCOBROSA FARMS | GILMAN | IL |
| INDECK POWER | WHEELING | IL |
| INDECK POWER EQUIPMENT COMPANY – HEADQUARTERS | WHEELING | IL |
| Independent Boiler and Tank | Chicago | IL |
| INDEPENDENT BREWING ASSOCIATION | CHICAGO | IL |
| Independent Engineering | O’Fallon | IL |
| Independent Engineering | Ofallon | IL |
| INDEPENDENT PACKING COMPANY | CHICAGO | IL |
| Independent PNEU Tool | Aurora | IL |
| INDEPENDENT PNEUMATIC TOOL COMPANY | AURORA | IL |
| Indian Hills Tea Room | Winnetka | IL |
| INDIAN REFINERY | LAWRENCEVILLE | IL |
| Indian Refining Co. | Lawrenceville | IL |
| INDIAN REFINING COMPANY | LAWRENCEVILLE | IL |
| INDIAN REFINING LIMITED PARTNERSHIP | LAWRENCEVILLE | IL |
| Indiana and Michigan Power | Fairbanks | IL |
| INDIANA QUARRIES COMPANY | CHICAGO | IL |
| INDIANA STEEL COMPANY | CHICAGO | IL |
| Indlex Pharmaceutical Co. | Park Forest S. | IL |
| Industrial Castings | Cicero | IL |
| INDUSTRIAL DIE CASTING CO | CHICAGO | IL |
| Industrial Engineering Equipment Company | Rock Island | IL |
| Industrial Filter | Chicago | IL |
| INDUSTRIAL PLUMBING & HEATING | BENTON | IL |
| INDUSTRIAL ROLLER CO. | SMITHTON | IL |
| INDUSTRIAL TAPE DIVISION | CHICAGO | IL |
| INGALLS MEMORIAL HOSPITAL | HARVEY | IL |
| INGALLS-SHEPARD DIVISION OF THE WYMAN-GORDON COMPANY | HARVEY | IL |
| INGALLS-SHEPARD FORGING COMPANY | HARVEY | IL |
| INGALLS-SHEPARD FORGING COMPANY | WEST HARVEY | IL |
| INGERSOLL MILLING MACHINE | ROCKFORD | IL |
| INGERSOLL PRODUCTS | CHICAGO | IL |
| Inland Insulation Co. | Chicago | IL |
| Inland Insulation Company | Chicago | IL |
| Inland Insurance | Chicago | IL |
| INLAND RUBBER COMPANY | OTTAWA | IL |
| INLAND STEEL | EAST CHICAGO | IL |
| INLAND STEEL | CHICAGO | IL |
| INLAND STEEL | MCLEANSBORO | IL |
| INLAND STEEL – TEAM TRACK | CHICAGO | IL |
| INLAND STEEL CO | SESSER | IL |
| INLAND STEEL CO – BLDG 17 | CHICAGO | IL |
| INLAND STEEL CO – PLANT NO. 2 | EAST CHICAGO | IL |
| INLAND STEEL CO – PLANT NUMBER 2 – GALVANIZING LINE | EAST CHICAGO | IL |
| INLAND STEEL CO – PLANT NUMBER 2 – NO 1 SLAB CASTEN NEW LOCKER BLDG | EAST CHICAGO | IL |
| INLAND STEEL CO. – BLDG 17 | CHICAGO | IL |
| Inland Steel Co. – Insulate 30″ Flange | Chicago Heights | IL |
| Inland Steel Coal Mine | Sesser | IL |
| INLAND STEEL COMPANY | CHICAGO HEIGHTS | IL |
| INLAND STEEL COMPANY | CHICAGO | IL |
| INLAND STEEL COMPANY | EAST CHICAGO | IL |
| INLAND STEEL COMPANY | SESSER | IL |
| INLAND STEEL INLAND MINE | WALTONVILLE | IL |
| Inland Steel Powerhouse | Chicago | IL |
| Inland Supply Company | Elgin | IL |
| INLAND SUPPLY COMPANY | DANVILLE | IL |
| Institute of Gas Technology | Chicago | IL |
| INSTITUTE OF MENTALLY RETARDED | CENTRALIA | IL |
| INSTITUTE OF TECHNOLOGY, STUDENT UNION | CHICAGO | IL |
| INSTITUTION FOR MENTALLY RETARDED | CENTRALIA | IL |
| INSUL-MATIC, INCORPORATED | SUMMIT | IL |
| Insulation & Materials | Robinson | IL |
| Insulation By Western | Chicago | IL |
| Insulation Services Company | Hartford | IL |
| Insulmastic. | Summit | IL |
| Insurance Exchange | Chicago | IL |
| INTER OCEAN PUBLISHING COMPANY | CHICAGO | IL |
| INTER OCEAN REFINING COMPANY | MCCOOK | IL |
| INTERCHEMICAL CORPORATION | CHICAGO | IL |
| Intercoastal Paint | East St. Louis | IL |
| Intercontental Alloys Corp. | Joliet | IL |
| INTERCONTINENTAL ALLOY CORPORATION | JOLIET | IL |
| INTERCONTINENTAL ALLOYS | JOLIET | IL |
| INTERCONTINENTAL ALLOYS C | JOLIET | IL |
| INTERLAKE | CHICAGO | IL |
| INTERLAKE | RIVERDALE | IL |
| Interlake Coke, Inc. | Chicago | IL |
| INTERLAKE INC | CHICAGO | IL |
| INTERLAKE INC | RIVERDALE | IL |
| INTERLAKE INC. | CHICAGO | IL |
| INTERLAKE IRON | CHICAGO | IL |
| INTERLAKE IRON CORPORATION | CHICAGO | IL |
| INTERLAKE IRON CORPORATION | SOUTH CHICAGO | IL |
| INTERLAKE STEEL | CHICAGO | IL |
| INTERLAKE STEEL CO | CHICAGO | IL |
| INTERLAKE STEEL CORP | RIVERDAL | IL |
| INTERLAKE STEEL CORP | KISERDALE | IL |
| INTERLAKE STEEL CORP | RIVERDALE | IL |
| Interlake Steel Corp. | Chicago | IL |
| INTERLAKE STEEL CORPORATION | CHICAGO | IL |
| INTERLAKE STEEL CORPORATION | REVERDALE | IL |
| INTERLAKE STEEL CORPORATION | RIVERDALE | IL |
| Interlake, Inc. | Riverdale | IL |
| INTERNATIONAL – WEST PULLMAN WORKS | CHICAGO | IL |
| INTERNATIONAL BUSINESS MACHINES (IBM) BUILDING – NORTH WABASH AVENUE | CHICAGO | IL |
| INTERNATIONAL COMBUSTION TAR AND CHEMICAL CO. | GRANITE CITY | IL |
| INTERNATIONAL HARVESTER | ROCK ISLAND | IL |
| International Harvester | Canton | IL |
| International Harvester | Chicago | IL |
| International Harvester | Melrose Park | IL |
| International Harvester | Libertyville | IL |
| International Harvester | Peoria | IL |
| INTERNATIONAL HARVESTER C | E MOLINE | IL |
| INTERNATIONAL HARVESTER CO | CANTON | IL |
| INTERNATIONAL HARVESTER CO – Wisconsin Steel | Chicago | IL |
| INTERNATIONAL HARVESTER CO. | CHICAGO | IL |
| International Harvester Company | East Moline | IL |
| International Harvester Company | E. Moline | IL |
| INTERNATIONAL HARVESTER COMPANY | ROCK ISLAND | IL |
| INTERNATIONAL HARVESTER COMPANY | E MOLINE | IL |
| INTERNATIONAL HARVESTER COMPANY | CHICAGO | IL |
| INTERNATIONAL HARVESTER COMPANY | HINSDALE | IL |
| INTERNATIONAL HARVESTER COMPANY | SOUTH DEERING | IL |
| INTERNATIONAL HARVESTER COMPANY | CANTON | IL |
| INTERNATIONAL HARVESTER COMPANY | MELROSE PARK | IL |
| International Harvester Company – Wisconsin Steel Works | Chicago | IL |
| International Harvester Company ? Tractor Works | Chicago | IL |
| International Harvester Company ? Wisconsin Steel Works | Chicago | IL |
| INTERNATIONAL HARVESTER COMPANY, WISCONSIN STEEL WORKS | CHICAGO | IL |
| International Harvester Corp. | Chicago | IL |
| INTERNATIONAL HARVESTER, GERMACK AND 17TH | BROADVIEW | IL |
| International Harvester/Farmall | Rock Island | IL |
| INTERNATIONAL NICKEL MINING COMPANY | CHICAGO | IL |
| INTERNATIONAL PAPER CO | LITCHFIELD | IL |
| INTERNATIONAL PAPER COMPANY | CHICAGO | IL |
| INTERNATIONAL PAPER COMPANY | NORTHLAKE | IL |
| INTERNATIONAL PAPER COMPANY, CONTAINER DIVISION | NORTH LAKE | IL |
| International Pump & Filter | Chicago | IL |
| INTERNATIONAL ROLLING MILLS COMPANY | CHICAGO | IL |
| INTERNATIONAL SHOE CO. | HARTFORD | IL |
| INTERNATIONAL SHOE COMPANY | OLNEY | IL |
| INTERNATIONAL SHOE COMPANY | SOUTH WOOD RIVER | IL |
| International Vermeculite | Girard | IL |
| INTERNATIONAL VERMICULITE | GIRARD | IL |
| Interstate Water Company | Danville | IL |
| INTERSTATE WATER COMPANY – WATER PLANT | DANVILLE | IL |
| INTRAMURAL RAILWAY, WORLD’S FAIR | CHICAGO | IL |
| IOWA ILLINOIS GAS & ELECTRIC CO – MOLINE GENERATING STATION | MOLINE | IL |
| IOWA ILLINOIS GAS AND ELECT | MOLINE | IL |
| Iowa Illinois Gas And Electric Co. | Moline | IL |
| Iowa Valve Company | Chicago | IL |
| Iowa, Illinois Gas & Electric Company | Moline | IL |
| IOWA-ILLINOIS GAS & ELECTRIC COMPANY | MOLINE | IL |
| IOWA-ILLINOIS GAS AND ELECTRIC COMPANY | MOLINE | IL |
| IOWA-ILLINOIS GAS AND ELECTRIC COMPANY – MOLINE GENERATING STATION | MOLINE | IL |
| Iowa-Illinois Gas And Electric Company – Moline Generating Station | OAKWOOD | IL |
| IPSEN INDUSTRIES | ROCKFORD | IL |
| Ipsen International | Cherry Valley | IL |
| Irl Martin Residence | Rockford | IL |
| Iron, Seneca Shipyard | Chicago | IL |
| IROQUOIS IRON COMPANY | CHICAGO | IL |
| IROQUOIS IRON COMPANY | SOUTH CHICAGO | IL |
| Island Insulation | Chicago | IL |
| IVEX CORPORATION | JOLIET | IL |
| J. & J. TOOL COMPANY | CHICAGO | IL |
| J. DEERE HARVESTER | EAST MOLINE | IL |
| J. DEERE MALL IRON WORKS | EAST MOLINE | IL |
| J. F. PRITCHARD & COMPANY | FICKLIN | IL |
| J. STERLING MORTON HIGH SCHOOL WEST | BERWYN | IL |
| J.C. DEAGAN, INCORPORATED | CHICAGO | IL |
| J.H. ARMBRUSTER COMPANY – SOUTH LASALLE STREET | AURORA | IL |
| J.I. CASE COMPANY | ROCK ISLAND | IL |
| J.I. CASE COMPANY | ROCKFORD | IL |
| J.J. MORONEY | MELROSE PARK | IL |
| J.M. ROACH MGR. | CHICAGO | IL |
| J.R. SHORT MILLING COMPANY | CHICAGO | IL |
| J.S. MORTON EAST HIGH SCHOOL | CICERO | IL |
| J.T. RYERSON & SON INC | CHICAGO | IL |
| J.W. LYON, MAYOR | BELVIDERE | IL |
| J.W. SEFTON MANUFACTURING COMPANY | CHICAGO | IL |
| JACKSON COUNTY HOSPITAL | MAQUOKETA | IL |
| JACKSON PARK HOSPITAL – STONY ISLAND AVENUE | CHICAGO | IL |
| JACKSON-FRANKLIN BUILDING | CHICAGO | IL |
| JACKSONVILLE POWERHOUSE | JACKSONVILLE | IL |
| JACKSONVILLE RAILWAY AND LIGHT COMPANY – POWER PLANT | JACKSONVILLE | IL |
| JACKSONVILLE STATE HOSPITAL | JACKSONVILLE | IL |
| Jacksonville Supply Company | Jacksonville | IL |
| JACKSONVILLE WOOLEN MILLS | JACKSONVILLE | IL |
| Jacob Beilder School | Chicago | IL |
| JACOB HAISH AND COMPANY | DEKALB | IL |
| JACOB HAISH COMPANY | DEKALB | IL |
| JAIL AND COUNTY COURT HOUSE OF LASALLE COUNTY | OTTAWA | IL |
| JAMES B. CLOW AND SONS | BENSENVILLE | IL |
| JAMES S. KIRK AND COMPANY | CHICAGO | IL |
| James S. Kirk Co. | Chicago | IL |
| Jane Neil Elementary School, 8558 S. Michigan Ave. | Chicago | IL |
| JARMAN MEMORIAL HOSPITAL | TUSCOLA | IL |
| JARROW PRODUCTS | CHICAGO | IL |
| JAS. STEWART AND COMPANY | CHICAGO | IL |
| Jasper Marsh | Skokie | IL |
| JCPenney Building | Belleville | IL |
| Jd Mott Inc | Rockford | IL |
| Jefferson High School | Rockford | IL |
| Jefferson Junior High School | Vandalia | IL |
| Jefferson Junior High School | Rockford | IL |
| JEFFERSON SMURFIT | ALTON | IL |
| Jennison Wright Corporation | Granite City | IL |
| JERCO, INCORPORATED | MILAN | IL |
| Jernberg Forgings | Chicago | IL |
| Ji Case Company | Rock Island | IL |
| JOAN OF ARC CANNING CO | HOOPESTON | IL |
| JOAN OF ARC COMPANY | HOOPESTON | IL |
| JOBBINS WILLIAM | AURORA | IL |
| Jockey Club | Arlington Park | IL |
| JOHN DEER PLOW WORKS | MOLINE | IL |
| John Deere & Company | Silvis | IL |
| JOHN DEERE BUILDING | CHICAGO | IL |
| JOHN DEERE COMPANY | MOLINE | IL |
| JOHN DEERE COMPANY | EAST MOLINE | IL |
| JOHN DEERE COMPANY | E. MOLINE | IL |
| JOHN DEERE FOUNDRY | SILVIS | IL |
| John Deere Foundry | East Moline | IL |
| JOHN DEERE FOUNDRY | E MOLINE | IL |
| JOHN DEERE HARVESTER WORKS | EAST MOLINE | IL |
| JOHN DEERE INDUSTRIAL EQUIPMENT WORKS | MOLINE | IL |
| JOHN DEERE MALLEABLE | EAST MOLINE | IL |
| JOHN DEERE MALLEABLE IRON WORKS | EAST MOLINE | IL |
| JOHN DEERE PLOW PLANTER W | MOLINE | IL |
| JOHN DEERE PLOW WORKS | MOLINE | IL |
| JOHN DEERE VERMILION WORKS | HOOPESTON | IL |
| JOHN DEERE WAGON WORKS | MOLINE | IL |
| John Deere Wiman, swimming pool | Moline | IL |
| JOHN E. SHULZE & SONS, INC | CHICAGO | IL |
| JOHN F. JELKE COMPANY | CHICAGO | IL |
| John Hancock Building | Chicago | IL |
| John Hancock Center | Chicago | IL |
| JOHN HANCOCK CENTER – NORTH MICHIGAN AVENUE | CHICAGO | IL |
| John J Moroney & Co. | Melrose Park | IL |
| JOHN J. MORONEY & CO. | MELROSE PARK | IL |
| JOHN MALCOLM & SONS* | OAKLAWN | IL |
| John Mohr & Son | Chicago | IL |
| JOHN WOOD COMPANY | CHICAGO | IL |
| JOHNS MANVILLE | CHICAGO | IL |
| Johns Manville | Waukegan | IL |
| Johns Manville | Madison | IL |
| JOHNS MANVILLE FIBRE | CHICAGO | IL |
| Johns Manville Prod. Corp. | Waukegan | IL |
| JOHNS MANVILLE PRODUCTS CORPORATION | WAUKEGAN | IL |
| JOHNS MANVILLE, INCORPORATED | WAUKEGAN | IL |
| JOHNS-MANVILLE DUTCH BRAND DIVISION | CHICAGO | IL |
| Johns-Manville Prod. Corp. | Waukeegan | IL |
| JOHNS-MANVILLE PRODUCTS CORP | Waukegan | IL |
| JOHNSON & CARLSON | CHICAGO | IL |
| Johnson & Johnson | Chicago | IL |
| JOHNSON AND JOHNSON | BEDFORD PARK | IL |
| JOHNSON AND JOHNSON | CHICAGO | IL |
| JOHNSON CITY COAL COMPANY | JOHNSON CITY | IL |
| JOHNSON COUNTY ASPHALT INCORPORATED | RED BUD | IL |
| JOHNSON MECHANICAL CONTRA | E MOLINE | IL |
| Johnson Motors | Waukegan | IL |
| JOHNSON MOTORS – OUTBOARD MOTORS MANUFACTURING PLANT | WAUKEGAN | IL |
| JOHNSON SHEET METAL WORKS | E MOLINE | IL |
| Johnson Sheet Metal Works | East Moline | IL |
| Johnson-Beatrice Apartments | Rockford | IL |
| JOLIET AND EASTERN SHOPS | ELGIN | IL |
| JOLIET ARMY AMMUNITION PLANT | JOLIET | IL |
| Joliet Arsenal | Chicago | IL |
| Joliet Arsenal | Joliet | IL |
| JOLIET ARSENAL & GREAT LAKES – BLDG 17 | CHICAGO | IL |
| JOLIET ARSENAL – BLDG 17 | CHICAGO | IL |
| Joliet Central High School | Joliet | IL |
| Joliet Junior High School | Joliet | IL |
| JOLIET PUBLIC SCHOOLS | JOLIET | IL |
| JOLIET PUBLIC SCHOOLS | CHICAGO | IL |
| Joliet Shipyard | Joliet | IL |
| JOLIET TOWNSHIP | JOLIET | IL |
| JOLIET TOWNSHIP HIGH SCHOOL | JOLIET | IL |
| Joliet Works | Joliet | IL |
| JONES & LAUGHLIN STEEL COMPANY | HENNEPIN | IL |
| JONES & LAUGHLIN STEEL CORP. | HENNEPIN | IL |
| JONES AND LAUGHLIN STEEL | ALIQUIPPA | IL |
| JONES AND LAUGHLIN STEEL CO | HENNEPIN | IL |
| JONES AND LAUGHLIN STEEL COMPANY | HENNEPIN | IL |
| JONS MANVILLE DUTCH BRANDS | CHICAGO | IL |
| JOPPA POWERHOUSE | JOPPA | IL |
| JOPPA STEAM ELECTRIC STATION | JOPPA | IL |
| JOSEPH BOHR & SONS, INCORPORATED | ROCKFORD | IL |
| JOSEPH CODER INCINERATORS | CHICAGO | IL |
| JOSEPH GODER INCINERATOR | CHICAGO | IL |
| JOSEPH T. RYERSON, 2608 W. 16TH ST. | CHICAGO | IL |
| JOSLYN MANUFACTURING & SUPPLY COMPANY | FRANKLIN PARK | IL |
| Joslyn Mfg & Supply Co | Chicago | IL |
| JT CASE CO | ROCKFORD | IL |
| Jt Thorpe | Lemont | IL |
| Judson Rubber Works | Chicago | IL |
| K H HUPPERT CO | S HOLLAND | IL |
| K. & S. FINISHING | CHICAGO | IL |
| K. H. Huppert Company | South Holland | IL |
| K.H. HUPPERT COMPANY | S HOLLAND | IL |
| K.I. HERMAN CHEMICAL CORPORATION | MATTESON | IL |
| K.P. PUBLICATIONS | SCHILLER PARK | IL |
| KABLE PRINTING | MT. MORRIS | IL |
| KAHN’S | CINCINNATI | IL |
| KAILER YOUNGQUIST, INCORPORATED | CHICAGO | IL |
| Kaiser Alum & Chem Corp | Dolton | IL |
| KAISER ALUMINUM | DOLTON | IL |
| KAISER ALUMINUM AND CHEMICAL | DOLTON | IL |
| Kaiser E.B. Co. | Glenview | IL |
| KAISER REFRACTORIES | BRIDGEVIEW | IL |
| KALVA CORPORATION | GURNEE | IL |
| KALVA CORPORATION | WAUKEGAN | IL |
| Kankaha Water Co. | Kankaha | IL |
| Kankakee Electric Steel | Kankakee | IL |
| KANKAKEE ORDNANCE WORKS (a/k/a U.S. Rubber; Uniroyal, Inc.) | WILMINGTON \ ELWOOD \ JOLIET | IL |
| Kankakee Powerhouse | Kankakee | IL |
| KANKAKEE STATE HOSPITAL | KANKAKEE | IL |
| KANKAKEE WORKS | KANKAKEE | IL |
| KANKATEE ORDINANCE WORKS | CHICAGO | IL |
| KARPEN AND BROTHERS – WEST 22ND STREET | CHICAGO | IL |
| Kay-Bee Company | Morrison | IL |
| Keck Electric Corp | Joliet | IL |
| KEENE CORP – CENTRAL ILL POWER STATION | COFFEEN | IL |
| KEHLOR BROTHERS | EAST ST. LOUIS | IL |
| KEITH COUNTRY DAY SCHOOL | ROCKFORD | IL |
| KELLEN GREENHOUSE | MT. PROSPECT | IL |
| KELLENS FLORISTS | MT. PROSPECT | IL |
| KELLY SPRINGFIELD CO. | FREEPORT | IL |
| Kelly-Springfield Tire Co | Freeport | IL |
| KELSEY HAYES COMPANY | ROCKFORD | IL |
| KENNEDY BISCUIT WORKS | CHICAGO | IL |
| KENNEDY LAUNDRY | CHICAGO | IL |
| KENNETH WILD CONCRETE COMPANY | BELLEVILLE | IL |
| KENNEY PAPER COMPANY | CHICAGO | IL |
| KENNSINGTON STEEL COMPANY | CHICAGO | IL |
| KENSINGTON STEEL COMPANY | CHICAGO | IL |
| Kentile Floors, Incorporated | Chicago | IL |
| KENTILE, INCORPORATED | CHICAGO | IL |
| Kenwood High School | Chicago | IL |
| KERBER PACKING COMPANY | ELGIN | IL |
| Kerr Glass Company | Plainfield | IL |
| Kerr Glass Mfg Corp | Plainfield | IL |
| Kershaw Marshall Elementary School, 6540 S. Lowe | Chicago | IL |
| KEWANEE BOILER CORP | KEWANEE | IL |
| KEWANEE BOILER CORP. | KANKAKEE | IL |
| KEWANEE LIGHT AND POWER COMPANY | KEWANEE | IL |
| KEWANEE PUBLIC SERVICE COMPANY | KEWANEE | IL |
| Kewanee Sewage District Plant | Kewanee | IL |
| KEWAUNEE | CHICAGO | IL |
| KEYSTONE | BARTONVILLE | IL |
| KEYSTONE | PEORIA | IL |
| KEYSTONE FENCE COMPANY | PEORIA | IL |
| KEYSTONE FENCE COMPANY | BARTONVILLE | IL |
| Keystone Galvanizing | Bartonsville | IL |
| KEYSTONE MANUFACTURING COMPANY | STERLING | IL |
| KEYSTONE STEEL & WIRE | PEORIA | IL |
| Keystone Steel & Wire | Bartonville | IL |
| Keystone Steel & Wire Co. | Chicago Heights | IL |
| KEYSTONE STEEL & WIRE COMPANY | PEORIA | IL |
| KEYSTONE STEEL AND WIRE COMPANY | PEORIA | IL |
| Keystone Steel And Wire Company | Bartonville | IL |
| KEYSTONE WORKS | ROCK FALLS | IL |
| Keystone-Calumet Inc. | Chicago Heights | IL |
| KINCAID POWER PLANT | CENTRAL | IL |
| KINCAID POWER PLANT | SPRINGFIELD | IL |
| KINCAID POWER STATION | PEORIA | IL |
| KINCAID POWERHOUSE | KINCAID | IL |
| King Arthur Apartments, Addison | Palatine & Northlake | IL |
| KING BRUWAERT HOUSE | HINDSDALE | IL |
| KING SEALY THERMOS COMPANY | MACOMB | IL |
| KIPPERS COMPANY | CICERO | IL |
| KLEIMAN POULTRY HOUSE | AMBOY | IL |
| KLEIN NATHIAS AND SONS | SKOKIE | IL |
| KNICKERBOCKER ICE COMPANY | CHICAGO | IL |
| KNIGHT BUILDING | CHICAGO | IL |
| KNIGT BUILDING | CHICAGO | IL |
| KOHLER BROTHERS | EAST ST. LOUIS | IL |
| Komatsu Dresser | Peoria | IL |
| KOPPERS CO | CICERO | IL |
| KOPPERS CO | GALESBURG | IL |
| KOPPERS CO., INC. | CICERO | IL |
| KOPPERS COMPANY | CARRONDALE | IL |
| KOPPERS COMPANY | CICERO | IL |
| KOPPERS COMPANY, INC. – TAR PRODUCTS DIVISION | CICERO | IL |
| KORHUMEL STEEL | EVANSTON | IL |
| Kraft Food | Jacksonville | IL |
| KRAFT FOODS | PEORIA | IL |
| KRAFT FOODS | STOCKTON | IL |
| Kraft Foods | Chicago | IL |
| KRAFT FOODS | ROCHELLE | IL |
| KRAFT FOODS – DIVISION OF NATIONAL DAIRY PRODUCTS – DOOLEY BROS. PROJECT P 1935 | TOULON | IL |
| Kraft Foods Company | Chicago | IL |
| KRAFT FOODS NEW PLANT | CHAMPLAIGN | IL |
| KRAFT FOODS PLANT | CHAMPAIGN | IL |
| KRAFT FOODS, INC. | CHAMPAIGN | IL |
| KRAFT FOODS, INC. | CHICAGO | IL |
| KRAFT FOODS, INC. | STOCKTON | IL |
| KRAFT FOODS, INC. | TOULON | IL |
| KRAFT FOODS, INCORPORATED | MILLEDGEVILLE | IL |
| Kramer H & Co | Chicago | IL |
| KRAPP FORGE | CHICAGO | IL |
| KREIGSMAN TRANSFER STORAGE COMPANY | PEKIN | IL |
| KREZ BRAND JOINT VENTURE – MCCORMICK PLACE | CHICAGO | IL |
| KROCH’S AND BRENTANO’S, 29 S. WABASH AVE. | CHICAGO | IL |
| KROEHLER MANUFACTURING COMPANY | NAPERVILLE | IL |
| KROEHLER MANUFACTURING COMPANY | BRADLEY | IL |
| KROPP FORGE | CHICAGO | IL |
| KROPP FORGE COMPANY | CHICAGO | IL |
| KUPPENHEIMER BLDG | CHICAGO | IL |
| L E Harnisch & Company | Chicago | IL |
| L L HAWHEE CO | DANVILLE | IL |
| L. KARP & SON, INCORPORATED | CHICAGO | IL |
| L.A. WEISS MEMORIAL | CHICAGO | IL |
| L.E. MYERS COMPANY | CHICAGO | IL |
| L.H. PRENTICE COMPANY | CHICAGO | IL |
| LA ROCHE INDUSTRIES | MORRIS | IL |
| LA SALLE HOTEL – MADISON STREET | CHICAGO | IL |
| LA SALLE STEEL – BLDG 17 | CHICAGO | IL |
| Lacey Drainage & Levee District | Havana | IL |
| Lacey Drainage & Levee District | Peoria | IL |
| LACLEDE STEEL | ALTON | IL |
| LACLEDE STEEL CO | MADISON | IL |
| LACLEDE STEEL CO | ALTON | IL |
| Laclede Steel Co | Alton/Federal | IL |
| LACLEDE STEEL CO. | MADISON | IL |
| LACLEDE STEEL CO. | ALTON | IL |
| LACLEDE STEEL COMPANY | ALTON | IL |
| LACON WOOLEN MILLS | LACON | IL |
| Lafayette Hotel | Rockford | IL |
| LAHARPE HIGH SCHOOL | LAHARPE | IL |
| LAKE CITY LAUNDRY | CHICAGO | IL |
| Lake County Research Facility | IL | |
| LAKE FOREST ACADEMY | LAKE FOREST | IL |
| Lake Point Towers | Chicago | IL |
| LAKE SHORE AND MICHIGAN SOUTHERN RAILWAY COMPANY | ENGLEWOOD | IL |
| LAKE SHORE AND MICHIGAN SOUTHERN RAILWAY COMPANY | CHICAGO | IL |
| LAKE SHORE AND ROCK ISLAND RAILROAD DEPOT | CHICAGO | IL |
| Lake Shore Country Club | Glencoe | IL |
| LAKEHURST MALL | WAUKEGAN | IL |
| LAKESIDE CENTRAL COMPANY | CHICAGO | IL |
| LAKESIDE DALLMAN POWER PLANT | SPRINGFIELD | IL |
| Lakeside Power Plant | Springfield | IL |
| LAKESIDE POWER STATION | SPRINGFIELD | IL |
| LAKEVIEW BLDG | CHICAGO | IL |
| LAKEVIEW HIGH SCHOOL | DECATUR | IL |
| LAKEVIEW HOSPITAL | DANVILLE | IL |
| LAKEVIEW MEMORIAL HOSPITAL – NORTH LOGAN AVENUE | DANVILLE | IL |
| Lamhoff Grain Co. | Dansville | IL |
| LAMPCRAFT INDUSTRIES | CHICAGO | IL |
| LAMSON & SESSIONS COMPANY | CHICAGO | IL |
| Land O’Frost Building | Lansing | IL |
| LANQUIST AND ILLSLEY | CHICAGO | IL |
| LANSING MEMORIAL JUNIOR HIGH SCHOOL | LANSING | IL |
| LANZIT CORRUGATED BOX | CHICAGO | IL |
| LANZIT CORRUGATED BOX COMPANY | CHICAGO | IL |
| LARSON & SON | CHICAGO | IL |
| LASALLE CEMENT | LASALLE | IL |
| LaSalle Hotel | Chicago | IL |
| LaSalle-Wacker Building | Chicago | IL |
| LASSIG AND ALDEN | CHICAGO | IL |
| LASSIG BRIDGE AND IRON COMPANY | CHICAGO | IL |
| LASSIG BRIDGE AND IRON WORKS | CHICAGO | IL |
| LATROBE STEEL AND COUPLER COMPANY | MELROSE PARK | IL |
| LAUFOFF GRAIN COMPANY | DANVILLE | IL |
| LAUHOFF GRAIN CO. | DANVILLE | IL |
| LAUHOFF GRAIN COMPANY | DANVILLE | IL |
| LAUNDRY | CHICAGO | IL |
| LAWRENCEVILLE WORKS | LAWRENCEVILLE | IL |
| LE CLAIRE HOTEL | MOLINE | IL |
| LE SAGE | KANKAKEE | IL |
| LE TOURNEAU WESTINGHOUSE, OFFICE BUILDING | PEORIA | IL |
| LEADER IRON WORKS | DECATUR | IL |
| LEAL SCHOOL – WEST OREGON STREET | URBANA | IL |
| LEAVITT TEAM TRACK | CHICAGO | IL |
| LECLAIRE HOTEL | MOLINE | IL |
| LEEWARDS RETAIL STORE AND HEADQUARTERS – NORTH STATE STREET | ELGIN | IL |
| Legigh Paving Co. | Paxton | IL |
| LEHIGH PORTLAND CEMENT COMPANY | OGLESBY | IL |
| LEHIGH VALLEY COAL COMPANY | SOUTH CHICAGO | IL |
| LEHIGH VALLEY COAL COMPANY | CHICAGO | IL |
| LEHIGH VALLEY COAL SALES COMPANY | SOUTH CHICAGO | IL |
| LEHON COMPANY | CHICAGO | IL |
| LEMONT MANUFACTURING | LEMONT | IL |
| Lemont Manufacturing Company | Lemont | IL |
| LEMONT MFG CO | LEMONT | IL |
| LENC SMITH COMPANY | CICERO | IL |
| LEONARD CONSTRUCTION | CHICAGO | IL |
| LESSIG BRIDGE AND IRON WORKS | CHICAGO | IL |
| LEVER BROTHERS COMPANY | CHICAGO | IL |
| LEWIN MATHES COMPANY | EAST ST. LOUIS | IL |
| LEWIN-MATHES COMPANY | EAST ST. LOUIS | IL |
| Lewis Funeral Home | Franklin Park | IL |
| LIANCO CONTAINER CORP | CHICAGO | IL |
| LIBBEY OWENS FORD CO | OTTAWA | IL |
| LIBBEY OWENS FORD GLASS | OTTAWA | IL |
| LIBBEY OWENS FORD GLASS CO. | OTTAWA | IL |
| LIBBEY OWENS FORD GLASS CO. – AUTOCLAVE DEPARTMENT | OTTAWA | IL |
| LIBBEY OWENS FORD GLASS CO. – PLANT #5 | OTTAWA | IL |
| LIBBEY OWENS FORD GLASS CO. – PLANT NO. 5 | OTTAWA | IL |
| Libbey Owens Ford Glass Plant | Ottawa | IL |
| LIBBEY-OWENS-FORD COMPANY | OTTAWA | IL |
| LIBBEY-OWENS-FORD GLASS COMPANY | OTTAWA | IL |
| LIBBY MCNEIL & LIBBY | MORTON | IL |
| Libby Owens Ford Glass | Ottawa | IL |
| Libby’s Canning | Morton | IL |
| LIBBY, MCNEILL & LIBBY | MORRISON | IL |
| LIBBY, MCNEILL & LIBBY | BLUE ISLAND | IL |
| LIBBY, MCNEILL & LIBBY | CHICAGO | IL |
| Libby-Owens-Ford Glass Company | Ottawa | IL |
| LIBERTY YEAST COMPANY | PEKIN | IL |
| LIBERTY YEAST CORPORATION | PEKIN | IL |
| LIBRARY BUREAU, HERMITAGE AND DIVERSEY BUILDING | CHICAGO | IL |
| LIMA AND TOLEDO TRACTION COMPANY | CHICAGO | IL |
| Lima Lake Drainage District | Ursa | IL |
| LINBERG STEEL TREATING E | MELROSE PARK | IL |
| LINCOLN BAG COMPANY – SCHUBERT AVENUE | CHICAGO | IL |
| Lincoln China Factory | Lincoln | IL |
| Lincoln Development Center | Lincoln | IL |
| LINCOLN DEVELOPMENTAL CENTER – BOILER PLANT | LINCOLN | IL |
| LINCOLN FIELDS ENTERPRISES | KANKAKEE | IL |
| LINCOLN GLASS | LINCOLN | IL |
| Lincoln Grade School | Mundelein | IL |
| LINCOLN HAND LAUNDRY | CHICAGO | IL |
| LINCOLN HOME VISITORS CENTER | SPRINGFIELD | IL |
| LINCOLN LIBRARY | SPRINGFIELD | IL |
| LINCOLN MEMORIAL HOSPITAL | LINCOLN | IL |
| LINCOLN OIL REFINING COMPANY | ROBINSON | IL |
| LINCOLN SCHOOL – TAZEWELL COUNTY | WASHINGTON | IL |
| LINCOLN SCHOOL, TAZEWELL COUNTY | WASHINGTON | IL |
| Lincoln State School | Lincoln | IL |
| LINCOLN VILLAGE SHOPPING CENTER | CHICAGO | IL |
| LINCOLN WALKER PAINTING | EAST SAINT LOUIS | IL |
| LINCOLN WATER AND LIGHT COMPANY – POWER HOUSE | LINCOLN | IL |
| Lincolnwood School | Evanston | IL |
| LINDBERG | CHICAGO | IL |
| Lindberg Engineering | Chicago | IL |
| LINDBERG ENGINEERING CO | CHICAGO | IL |
| LINDBERG ENGINEERING CO. | CHICAGO | IL |
| LINDBERG HEVI DUTY DIV LI | CHICAGO | IL |
| LINDBERG STEEL TREATING EQUIPMENT COMPANY | MELROSE PARK | IL |
| Linde Air Products Co. (Union Carbide & Carbon Corp.) | Chicago | IL |
| Linde Air Products Co. (Union Carbide & Carbon Corp.) | East Chicago | IL |
| LINDENHURST ESTATE | LAKE VILLA | IL |
| LINE MATERIAL IND IL EDISON | MACOMB | IL |
| LINE MATERIAL, INCORPORATED | MACOMB | IL |
| Link Belt Co. | Chicago | IL |
| LINK BELT COMPANY | CHICAGO | IL |
| Link Belt Inc. | Chicago | IL |
| LINK BELT MACHINERY COMPANY | CHICAGO | IL |
| Liquid Carbonic Corporation | Chicago | IL |
| Liquid Carbonic Corporation | Peoria | IL |
| LISSNER | CHICAGO | IL |
| LISSNER CORP | CHICAGO | IL |
| Lissner Iron & Metals Co. | Chicago | IL |
| LITCHFIELD MILLING COMPANY | LITCHFIELD | IL |
| LITHO-STRIP CORPORATION | CHICAGO | IL |
| LITTLE COMPANY OF MARY HOSPITAL | EVERGREEN PARK | IL |
| LITTLE GIANT PRODUCTS, INCORPORATED | PEORIA | IL |
| LITTLEFUSE, INCORPORATED | DES PLAINES | IL |
| Lively Junior High School swimming pool | Elk Grove Village | IL |
| LOCKPORT MANUFACTURING COMPANY | JOLIET | IL |
| Lockport Powerhouse | Lockport | IL |
| LOGAN CORRECTIONAL CENTER | LINCOLN | IL |
| LOGAN JUNIOR HIGH SCHOOL | PRINCETON | IL |
| LOGAN LAUNDRY CO. | CHICAGO | IL |
| LOMAX CANNING COMPANY | LOMAX | IL |
| LONGVIEW FIBRE COMPANY | ROCKFORD | IL |
| LOUIS C. EHLE | CHICAGO | IL |
| LOUIS PFAELZER AND SONS | CHICAGO | IL |
| LOUIS PFAELZER AND SONS, UNION STOCK YARDS | CHICAGO | IL |
| LOVINGTON COAL MINING COMPANY | LOVINGTON | IL |
| LOYOLA MEDICAL | CHICAGO | IL |
| LOYOLA MEDICAL CENTER, MCGAW HOSPITAL | MAYWOOD | IL |
| Loyola University | Chicago | IL |
| LOYOLA UNIVERSITY – ELIZABETH M. CUDAHY MEMORIAL LIBRARY | CHICAGO | IL |
| LOYOLA UNIVERSITY – SCIENCE – CLASSROOM BUILDING | CHICAGO | IL |
| LOYOLA UNIVERSITY MEDICAL CENTER | CHICAGO | IL |
| LOYOLA UNIVERSITY MEDICAL CENTER | HINES | IL |
| LOYOLA UNIVERSITY MEDICAL CENTER – STRITCH SCHOOL OF MEDICINE BUILDING | MAYWOOD | IL |
| LTV CORPORATION | CHICAGO | IL |
| LTV Republic Steel | South Chicago | IL |
| LTV STEEL | SOUTH CHICAGO | IL |
| LTV STEEL | EAST CHICAGO | IL |
| LTV STEEL CORP. | EAST CHICAGO | IL |
| LTV STEEL CORPORATION | CHICAGO | IL |
| LTV Steel Mill | Chicago | IL |
| Lubrizol Corp. | Grayville | IL |
| LUMAGHI COAL COMPANY | COLLINSVILLE | IL |
| LUMBERMAN’S MUTUAL CASUALTY COMPANY | DECATUR | IL |
| LUMMUS COMPANY | FICKLIN | IL |
| LURIE & COMPANY | CHICAGO | IL |
| Lusco Inc | Melrose Park | IL |
| LUSE STEVENSON CO – BLDG 17 | CHICAGO | IL |
| Luse-Stevenson Co Inc | Melrose Park | IL |
| LUSE-STEVENSON COMPANY | MELROSE PARK | IL |
| LUSE-STEVENSON COMPANY | CHICAGO | IL |
| LUTHERAN GENERAL HOSPITAL | PARK RIDGE | IL |
| LUTHERAN MEMORIAL HOSPITAL | PARK RIDGE | IL |
| LYNN & FINK | LINCOLN | IL |
| Lyon Elementary School | Glenview | IL |
| LYON METAL PRODUCTS | AURORA | IL |
| LYTTON BUILDING | CHICAGO | IL |
| M. & W. AUTO PARTS | CHICAGO | IL |
| M. J. CORBOY CORPORATION – BUICK JET ENGINE PLANT | WILLOW SPRINGS | IL |
| M. J. CORBOY CORPORATION – JET ENGINE PLANT | WILLOW SPRINGS | IL |
| M. LASSIG | CHICAGO | IL |
| M. W. KELLOGG CO. | WOOD RIVER | IL |
| M. W. WRIGLEY, JR. CO. | CHICAGO | IL |
| M.C. BULLOCK MANUFACTURING COMPANY | CHICAGO | IL |
| M.E. BULLOCK MANUFACTURING COMPANY | CHICAGO | IL |
| M.H. DETRICK | CHICAGO | IL |
| M.H. DETRICK CO | CHICAGO | IL |
| M.H. DETRICK COMPANY | AURORA | IL |
| M.H. RITZWOLLER COMPANY | CHICAGO | IL |
| M.M. WRIGHT AND COMPANY | DANVILLE | IL |
| MA GIRL FDY & FURN CO | BLOOMINGTON | IL |
| MA GIRL FOUNDRY & FURNACE | BLOOMINGTON | IL |
| MA GIRL SUPPLY CO | BLOOMINGTON | IL |
| MACHINERY HALL BLDG. | CHICAGO | IL |
| MACOMB SAVINGS AND LOAN ASSOCIATION BANK – EAST JACKSON STREET | MACOMB | IL |
| MACOMB SEWER PIPE COMPANY | MACOMB | IL |
| MADIGAN AND WALSH COMPANY | PEORIA | IL |
| MADISON COUNTY COURTHOUSE | EDWARDSVILLE | IL |
| MADISON COUNTY LIGHT AND POWER COMPANY | GRANITE CITY | IL |
| MADISON COUNTY LIGHT AND POWER COMPANY | BLOOMINGTON | IL |
| MADISON DIVISION | MADISON | IL |
| Madonna High School | Aurora | IL |
| MAGIC CHEF ADMIRAL DIVISION | GALESBURG | IL |
| MAGIC GLOVE MFG CO, INC | CHICAGO | IL |
| MAGIRL SUPPLY CO | BLOOMINGTON | IL |
| Magnaflux Corp. | Chicago | IL |
| MAGNETIC CORE EQUIPMENT | MOUNT VERNON | IL |
| Magnolia Petroleum Company | Patoka | IL |
| Maine West High School | Des Plaines | IL |
| MAJESTIC ROAD AND TELEVISION CORPORATION | ELGIN | IL |
| MALCO INC | ROCK ISLAND | IL |
| MALCOLM X COLLEGE – WEST VAN BUREN STREET | CHICAGO | IL |
| Mallers Building | Chicago | IL |
| MANDEL BLDG | CHICAGO | IL |
| MANDEL-LEAR BUILDING | CHICAGO | IL |
| MANHATTAN BREWING COMPANY | CHICAGO | IL |
| MANHATTEN BREWING COMPANY | CHICAGO | IL |
| Mansion View Hotel | Springfield | IL |
| MANSON MACHINE COMPANY | TAYLORVILLE | IL |
| Manteno State Hospital | Manteno | IL |
| MANTENO STATE HOSPITAL, STATE OF ILLINOIS | MANTENO | IL |
| Manual High School | Peoria | IL |
| MANZ CORP | CHICAGO | IL |
| MAPLE CITY STAMPING CO | PEORIA | IL |
| MAPLEWOOD COAL COMPANY | PEORIA | IL |
| MAPLEWOOD COAL COMPANY | FARMINGTON | IL |
| Maplewood School | IL | |
| MARATHON OIL | ROBERTSON | IL |
| Marathon Oil | Robinson | IL |
| MARATHON OIL CO | ROBINSON | IL |
| Marathon Oil Co. | Robinson | IL |
| MARATHON OIL COMPANY | ROBINSON | IL |
| MARATHON OIL COMPANY (F/k/a Ohio Oil) | Robinson | IL |
| Marathon Oil Refinery | Robinson | IL |
| Marathon Refinery | Robinson | IL |
| MARBLEHEAD LIME CO | CHICAGO | IL |
| Marblehead Lime Company | Quincy | IL |
| MAREMONT AUTOMOTIVE PRODUCTS COMPANY – SOUTH 54TH AVENUE | CICERO | IL |
| MAREMONT CORPORATION | HARVEY | IL |
| MAREMONT CORPORATION | HARUEY | IL |
| MAREMONT MUFFLER | HARVEY | IL |
| MARENGO FOUNDRY | MARENGO | IL |
| MARGUETTE CEMENT CMANUFACTURING COMPANY | LASALLE | IL |
| Marina City Towers | Chicago | IL |
| MARION HIGH SCHOOL | MARION | IL |
| Marion Powerhouse | Marion | IL |
| MARISON COMPANY | ELGIN | IL |
| MARQUETTE CEMENT MANUFACTURING COMPANY | DICKINSON | IL |
| MARQUETTE CEMENT MANUFACTURING COMPANY | LASALLE | IL |
| Marquette Cement Mfg Co | Oglesby | IL |
| MARQUETTE CEMENT MFG* | CHICAGO | IL |
| Marquette Cement Mfg. Co. | Oglesby | IL |
| Marriot Hotel | Chicago | IL |
| MARRIOTT MOTOR INN – ROUTE 22 | LINCOLNSHIRE | IL |
| Mars Inc | Chicago | IL |
| MARS, INCORPORATED | CHICAGO | IL |
| MARSH INSTRUMENT | SKOKIE | IL |
| MARSH INSTRUMENTS | CHICAGO | IL |
| MARSHALL FIELD & CO/OAK PARK | OAK PARK | IL |
| MARSHALL FIELD AND COMPANY | ZION | IL |
| MARSHALL FIELD AND COMPANY | CHICAGO | IL |
| MARSHALL FIELD BUILDING | CHICAGO | IL |
| Marshall Fields | Chicago | IL |
| MARSHALL HOTEL | CHICAGO | IL |
| MARSHALL SCHOOL – WEST ADAMS STREET | CHICAGO | IL |
| MARTHENS CO., THE | MOLINE | IL |
| Martin Luther King Medical Center | Chicago | IL |
| MARTINO STONE QUARRY | MANTENO | IL |
| MARWORTH, INC | CHICAGO | IL |
| Mary Thompson Hospital | Chicago | IL |
| MARYKNOLL SEMINARY | GLEN ELLYN | IL |
| MARYVILLE ACADEMY | DES PLAINES | IL |
| MASCOUTH HERALD | MASCOUTH | IL |
| MASON AND DAVIS, GRAND CROSSING | CHICAGO | IL |
| MASONIC FRATERNITY TEMPLE ASSOCIATION | CHICAGO | IL |
| Masonic Temple | Glen Ellyn | IL |
| MASTER FINISHERS INC – PRAIRIE AVENUE | CHICAGO | IL |
| Mastic Tile Corp. of America | Joliet | IL |
| MASURY YOUNG COMPANY | CHICAGO | IL |
| MATERIAL AND FUEL CO INC | DANVILLE | IL |
| MATERIAL SERVICE | LOCKPORT | IL |
| MATERIAL SERVICE | MELROSE PARK | IL |
| MATERIAL SERVICE | CHICAGO | IL |
| MATERIAL SERVICE BLDG | MELROSE PARK | IL |
| MATERIAL SERVICE CORP | THORNTON | IL |
| MATERIAL SERVICE CORPORATION | ALGONQUIN | IL |
| MATERIAL SERVICE DIVISION | MELROSE PARK | IL |
| MATERIAL SERVICE DIVISION | CHICAGO | IL |
| MATERIAL SERVICE DIVISION | LOCKPORT | IL |
| MATERIAL YARD – #64 BLOCK PLT | OTTAWA | IL |
| MATHIESSEN AND HEGELER ZINC COMPANY | LASALLE | IL |
| Matoon Hospital | Matoon | IL |
| MATT BERSCHEID, C.C. | JOLIET | IL |
| MATTHIESSEN & HEGELER ZINC CO | LA SALLE | IL |
| MATTHIESSEN AND HEGELER ZINC COMPANY | LASALLE | IL |
| MATTHIESSEN AND HEGLER CO. | LASALLE | IL |
| MATTHIESSEN FEGELER ZINC | LA SALLE | IL |
| MATTIESEN-HEGELER CO. | LA SALLE | IL |
| MATTIESSEN AND HEGELER ZINC COMPANY | LASALLE | IL |
| MATTIESSEN AND HEGLER ZINC COMPANY | LASALLE | IL |
| MATTIESSEN HEGELER ZINC COMPANY | LASALLE | IL |
| MATTISON MACHINE | ROCKFORD | IL |
| MATTOON CITY RAILWAY COMPANY | MATTOON | IL |
| MAY CO | MOLINE | IL |
| MAY CO | GALESBURG | IL |
| MAY COMPANY | MOLINE | IL |
| MAYO ELEMENTARY SCHOOL | CHICAGO | IL |
| Maytag | Herrin | IL |
| MAYWOOD PARK TROTTING ASSOCIATION | MAYWOOD | IL |
| MAZE W H CO | PERU | IL |
| MC CORMICK HARVESTING MACHINE COMPANY | CHICAGO | IL |
| MC LAUGHLYN BODY CO | MOLINE | IL |
| MCANDREWS STADIUM | MARION | IL |
| MCAROY BREWING COMPANY | CHICAGO | IL |
| MCAVOY BREWING COMPANY | CHICAGO | IL |
| MCCOOK METALS | MCCOOK | IL |
| MCCORMICK BUILDING | CHICAGO | IL |
| McCormick Place | Chicago | IL |
| MCCORMICK PLACE – EAST BUILDING | CHICAGO | IL |
| McCosh Elementary School, 65 or 67th & Champlain | Chicago | IL |
| McCoy Heating & Cooling Company | Moline | IL |
| McDade Classical Elementary School, 8801 S. Indiana Ave. | Chicago | IL |
| MCDERMAID ROOFING & INSUL. | ROCKFORD | IL |
| Mcdonough District Hospital | Mcdonough County | IL |
| MCFARLAND GREENHOUSE | LIBERTYVILLE | IL |
| MCGRAW EDISON POWER SYSTEM | MACOMB | IL |
| MCLAUGHLIN BODY COMPANY | MOLINE | IL |
| MCMAHON TRANSFER & STORAGE | EAST ST. LOUIS | IL |
| McNeil Memorial Hospital | Berwyn | IL |
| Mcquellon Plumbing & Heating | Peoria | IL |
| MCWILLIAMS AND COMPANY | PEORIA | IL |
| McWilliams Dredging Company | Chicago | IL |
| MEANS F W CO | PEORIA | IL |
| MECCA INSULATORS | EAST ST. LOUIS | IL |
| MECH STORE ROOM | ROCHELLE | IL |
| MECHANICAL FINISHERS | CHICAGO | IL |
| MECHANICAL INSULATION CO. | KEWANEE | IL |
| MECHANICAL RUBBER COMPANY | CHICAGO | IL |
| MECHANICS OVERALL LAUNDRY AND RENTAL COMPANY | CHICAGO | IL |
| MECHANICS UNIVERSAL JOINT | ROCKFORD | IL |
| MECO MINE | VICTORIA | IL |
| MEDICAL CENTER STEAM COMPANY | CHICAGO | IL |
| MEDICAL MERCHANDISE BUILDING – NORTH LINCOLN AVENUE | LINCOLNVILLE | IL |
| Medinah Athletic Club | Chicago | IL |
| Medinah Athletic Club, Grill Room | Chicago | IL |
| Medusa Cement Company | Dixon | IL |
| MEDUSA PORTLAND CEMENT COMPANY | DIXON | IL |
| MEEK, FINGER AND COMPANY | MARISSA | IL |
| MEENAN CORPORATION | SKOKIE | IL |
| Melody Elementary School, 412 S. Keeler Ave. | Chicago | IL |
| MEMORIAL HOSPITAL | BELLEVILLE | IL |
| MEMORIAL HOSPITAL | SPRINGFIELD | IL |
| MEMORIAL HOSPITAL OF DUPAGE COUNTY | ELMHURST | IL |
| MENARD CORRECTIONAL CENTER | MENARD | IL |
| MENARD STATE PRISON – FOOD PREPARATION BUILDING | CHESTER | IL |
| MENDOTA LIGHT AND HEAT COMPANY – MANUFACTURED GAS PLANT | MENDOTA | IL |
| MERCANTILE BANK BUILDING | CHICAGO | IL |
| MERCANTILE LAUNDRY | CHICAGO | IL |
| MERCER ALLOY DIV WHITTAKER | MELROSE PARK | IL |
| Mercer County Hospital | Aledo | IL |
| Merchandise Mart | Chicago | IL |
| MERCHANDISE MART BUILDING | CHICAGO | IL |
| MERCY HOSPITAL | CHICAGO | IL |
| Meredosia Lever & Drainage Disrict | Albany | IL |
| Meredosia Powerhouse | Meredosia | IL |
| Met Furnace | Schaumburg | IL |
| Meta Chem | Wheeling | IL |
| METAL COATING CORPORATION | CHICAGO | IL |
| METAL DROSS CORPORATION | BATAVIA | IL |
| Metal Wood Corporation | Clearing | IL |
| METAMORA HIGH SCHOOL – WOODFORD COUNTY | METAMORA | IL |
| METAMORA HIGH SCHOOL, WOODFORD COUNTY | METAMORA | IL |
| METAMORA WOODWORKING CO | METAMORA | IL |
| Metanzes Drainage & Levee District | Havana | IL |
| METHODIST CHURCH – MAIN STREET | MASCOUTH | IL |
| Methodist Hospital | Peoria | IL |
| Metro East Sanitary District | Granite City | IL |
| METROPOLITAN SANITARY DIS | CHICAGO | IL |
| Metropolitan Sanitary District | Stickney | IL |
| Metropolitan Sanitary District | Chicago | IL |
| MICHAEL REESE HOSPITAL | CHICAGO | IL |
| MICHAEL REESE HOSPITAL – BLDG 17 | CHICAGO | IL |
| MICHIGAN AVENUE MANAGEMENT | CHICAGO | IL |
| MICHIGAN WISC. PIPE LINE CO. | SANDWICH | IL |
| MICHIGAN WISCONSIN PIPE LINE CO. | SANDWICH | IL |
| MICHLE PRINTING PRESS MANUFACTURING COMPANY | CHICAGO | IL |
| MID-WEST FORGE | CHICAGO | IL |
| MID-WEST FORGING & MFG | CHICAGO HEIGHTS | IL |
| MIDDLE WEST UTILITIES COMPANY – GRAND TOWER POWER STATION | GRAND TOWER | IL |
| MIDLAND COKE AND IRON CORPORATION | GRANITE CITY | IL |
| MIDLAND ELEC COAL CO | ATKINSON | IL |
| MIDTOWN TENNIS CLUB | CHICAGO | IL |
| MIDWAY AIRPORT CONTROL TOWER | CHICAGO | IL |
| MIDWAY GARDENS APARTMENTS | CHICAGO | IL |
| Midway Gardens Apts., 727 E. 60th St. | Chicago | IL |
| Midway Island | Midway Island | IL |
| Midwesco Enterprises | Chicago | IL |
| Midwesco Perma-pipe | Niles | IL |
| MIDWEST FORGING | CHICAGO | IL |
| MIDWEST FORGING | CHICAGO HEIGHTS | IL |
| MIDWEST MANUFACTURING COMPANY | GALESBURG | IL |
| MIDWEST MANUFACTURING DIVISION ADMIRAL CORPORATION | GALESBURG | IL |
| MIDWEST PAK INC. | BELVIDERE | IL |
| Midwest Pipe Cov & Mfg | Elmhurst | IL |
| MIDWEST PRESSURE CASTING | CHICAGO | IL |
| Midwest Products Co. | Chicago | IL |
| Midwest Rubber | Sauget | IL |
| MIDWEST RUBBER RECLAIMING CO. | EAST ST. LOUIS | IL |
| MIDWEST SOLVENTS | PEKIN | IL |
| MIDWEST SPRING | CHICAGO | IL |
| Midwest Utility Co., Inc. | N. Aurora | IL |
| Midwestern Equipment | Mossville | IL |
| MIEHLE PRINTING PRESS MANUFACTURING COMPANY | CHICAGO | IL |
| Miles Labratories, Inc. | Granite City | IL |
| MILLENNIUM PETROCHEMICAL INC. | TUSCOLA | IL |
| Miller & Hart Union Stockyards | Chicago | IL |
| MILLER CONTAINER CORP | MILAN | IL |
| Millionaires Club | Chicago | IL |
| MILLS NOVELTY CO | CHICAGO | IL |
| MILWAUKEE RR | CHICAGO | IL |
| MINDEN COAL COMPANY | ST. DAVID | IL |
| MINERAL POINT ZINC COMPANY | DEPUE | IL |
| MINNESOTA MINING AND MANUFACTURING COMPANY | BEDFORD PARK | IL |
| MINNESOTA MINING AND MANUFACTURING COMPANY | CHICAGO | IL |
| MINNESOTA MINING CO | CHICAGO | IL |
| MINONK DAIRY PRODUCTS COMPANY | MINONK | IL |
| MISSISSIPPI LIME CO | ALTON | IL |
| Mississippi Lime Co. | Alton | IL |
| MISSISSIPPI VALLEY MILK | ROCK ISLAND | IL |
| Mississippi Valley Structural Steel Co. | Melrose Park | IL |
| MISSOURI COTTON OIL COMPANY | CAIRO | IL |
| Missouri Pacfic Railroad Company | Dupo | IL |
| MISSOURI PACIFIC RAILWAY, DUPO SHOPS | EAST ST. LOUIS | IL |
| MISSOURI PORTALND CEMENT | JOPPA | IL |
| MISSOURI PORTLAND CEMENT | JOPPA | IL |
| MISSOURI PORTLAND CEMENT CO | JOPPA | IL |
| Missouri Portland Cement Co. | Joppa | IL |
| MOBIL CHEMICAL | MORRIS | IL |
| MOBIL CHEMICAL | JACKSONVILLE | IL |
| MOBIL CHEMICAL | MEREDOSIA | IL |
| MOBIL CHEMICAL COMPANY | FRANKFURT | IL |
| MOBIL CHEMICAL PLANT – CENTER ROAD | FRANKFORT | IL |
| MOBIL OIL | EAST SAINT LOUIS | IL |
| Mobil Oil | Joliet | IL |
| MOBIL OIL | SAUGET | IL |
| Mobil Oil | East St. Louis | IL |
| Mobil Oil | E. St. Louis | IL |
| MOBIL OIL CO | EAST CHICAGO | IL |
| MOBIL OIL COMPANY | JOLIET | IL |
| MOBIL OIL COMPANY | EAST ST. LOUIS | IL |
| MOBIL OIL CORP | JOLIET | IL |
| MOBIL OIL CORPORATION | JOLIET | IL |
| Mobil Oil Corporation | W. Elwood | IL |
| Mobil Oil Corporation | Drummond | IL |
| Mobil Oil Corporation | E. St. Louis | IL |
| Mobil Oil Corporation | Sauget | IL |
| Mobil Oil Corporation | St. Louis | IL |
| Mobil Oil Refinery | Joliet | IL |
| MOBIL OIL REFINERY | CHANNAHON | IL |
| MOBIL OIL REFINERY | MORRIS | IL |
| Mobil Refinery | Joliet | IL |
| Mobile Chemical | Jacksonville | IL |
| Mobile Oil | Chicago | IL |
| MODERN DROP FORGE COMPANY | BLUE ISLAND | IL |
| MODERN LAUNDRY | CHICAGO | IL |
| MODERN LAUNDRY AND DRY CLEANING COMPANY | ROCKFORD | IL |
| MODERN STEEL | CHICAGO | IL |
| MODERN STEEL & TREAT CO | WEST CHICAGO | IL |
| MODERN STEEL & TREAT COMPANY | CHICAGO | IL |
| Modern Steel Treating | Chicago | IL |
| MODERN STEEL TREATING CO | CHICAGO | IL |
| MODINE COMPANY | MCHENRY | IL |
| MODINE MANUFACTURING COMPANY | MCHENRY | IL |
| MOFFAT COAL | MURDOCK | IL |
| MOFFAT COAL | MURDOCH | IL |
| MOLINE FURNITURE COMPANY | MOLINE | IL |
| MOLINE HEATING AND CONSTRUC | MOLINE | IL |
| MOLINE HIGH SCHOOL | MOLINE | IL |
| MOLINE IRON WORKS | MOLINE | IL |
| Moline Malleable | St. Charles | IL |
| MOLINE MALLEABLE IRON CO | ST CHARLES | IL |
| MOLINE MALLEABLE IRON CO | ST. CHARLES | IL |
| MOLINE PUBLIC HOSPITAL | MOLINE | IL |
| MOLINE ROCK ISLAND MANUFACTURING | MOLINE | IL |
| MOLINE ROCK ISLAND MANUFACTURING COMPANY | MOLINE | IL |
| Mollison Elementary School, 44th and King Dr. | Chicago | IL |
| MONARCH ASPHALT | SKOKIE | IL |
| MONARCH DRY CLEANING | CHICAGO | IL |
| MONARCH LAUNDRY | CHICAGO | IL |
| MONARCH LAUNDRY CO | CHICAGO | IL |
| MONARCH LEATHER CO | CHICAGO | IL |
| MONROE COUNTY NURSING HOME | WATERLOO | IL |
| MONSANTO | SAUGET | IL |
| MONSANTO | MONSANTO | IL |
| Monsanto | University Park | IL |
| Monsanto | East St. Louis | IL |
| MONSANTO CHEMICAL | EAST ST. LOUIS | IL |
| MONSANTO CHEMICAL | SAUGET | IL |
| MONSANTO CHEMICAL CO | MONSANTO | IL |
| Monsanto Chemical Co. | Monsanto | IL |
| MONSANTO CHEMICAL CO. | GRANITE CITY | IL |
| MONSANTO CHEMICAL CO. | SAUGET | IL |
| Monsanto Chemical Company | Sauget | IL |
| MONSANTO CHEMICAL COMPANY | MONSANTO | IL |
| MONSANTO COMPANY | CAHOKIA | IL |
| MONSANTO COMPANY | SAUGET | IL |
| MONSANTO COMPANY – KRUMERICK PLANT | EAST SAINT LOUIS | IL |
| MONSANTO COMPANY – KRUMMRICH PLANT | SAUGET | IL |
| Monsanto Company – W.G. Krummrich Plant | Sauget | IL |
| MONTGOMERY WARD & CO INC | CHICAGO | IL |
| MONTGOMERY WARD AND COMPANY | CHICAGO | IL |
| MOORE BUSINESS FORMS – MANUFACTURING PLANT | CHARLESTON | IL |
| MOORMAN MANUFACTURING | QUINCY | IL |
| Moorman Manufacturing Company | Quincy | IL |
| Moran Plumbing & Heating | Highland Park | IL |
| MORGAN DYEING AND BLEACHING COMPANY | ROCHELLE | IL |
| MORGAN LINEN SUPPLY COMPANY | CHICAGO | IL |
| MORGAN LINEN SUPPLY, INCORPORATED | CHICAGO | IL |
| MORGAN PARK HIGH SCHOOL | CHICAGO | IL |
| Moroney & Company | Bedford Park | IL |
| Moroney & Company | Melrose Park | IL |
| Moroney John J & Co | Bedford Park | IL |
| Moroney John J & Co | Melrose Park | IL |
| MORRIS AND COMPANY | CHICAGO | IL |
| MORRIS AND COMPANY | EAST ST. LOUIS | IL |
| MORRIS FIBRE BOARD COMPANY | MORRIS | IL |
| MORRIS HOSPITAL | MORRIS | IL |
| Morris Paper Mill | Morris | IL |
| MORRIS PAPER MILLS | MORRIS | IL |
| MORRIS PAPER MILLS (a/k/a Federal paper Board) | MORRIS | IL |
| Morrison Hotel | Chicago | IL |
| MORTON CHEMICAL | CHICAGO | IL |
| MORTON CHEMICAL COMPANY | RINGWOOD | IL |
| MORTON CHEMICAL COMPANY | WOODSTOCK | IL |
| MORTON LIGHT, HEAT AND POWER | MORTON | IL |
| MORTON MANUFACTURING COMPANY | LIBERTYVILLE | IL |
| Morton Salt Co. | Chicago | IL |
| MOSS TIE | MADISON | IL |
| Mother McAuley High School, Mother of Mercy Novitiate Building | Chicago | IL |
| Motor Oil Refining Co. | McCook | IL |
| Motorola | Chicago | IL |
| MOTOROLA INC | FRANKLIN PARK | IL |
| MOTT BROS | ROCK FALLS | IL |
| Mott Bros Co | Rock Falls | IL |
| MOTT BROS. COMPANY | ROCK FALLS | IL |
| Mott Brothers Company | Rockford | IL |
| MOUND CITY BREWING COMPANY | NEW ATHENS | IL |
| MOUND CITY COMMUNITY HIGH SCHOOL | MOUND CITY | IL |
| MOUNT CARMEL PUBLIC UTILITIES AND SERVICE COMPANY, MOUNT CARMEL POWER PLANT | MT. CARMEL | IL |
| MOUNT CARMEL PUBLIC UTILITY CO | MOUNT CARMEL | IL |
| MOUNT CARMEL PUBLIC UTILTIY AND SERVICE COMPANY | MT. CARMEL | IL |
| MOUNT SINAI HOSPITAL | CHICAGO | IL |
| Mt Carmel Public Utility | Mt. Carmel | IL |
| MT. CARMEL PUBLIC UTILITY CO. – POWER PLANT | MOUNT CARMEL | IL |
| Mt. Carmel Utilities | Mt. Carmel | IL |
| Mt. Greenwood Elementary, 108th & Christiana | Chicago | IL |
| Mt. Sinai Hospital | IL | |
| Mt. Vernon Car Company Foundry | Mt. Vernon | IL |
| Mt. Vernon Car Manufacturing Company | Mt. Vernon | IL |
| MUELLER COMPANY | DECATUR | IL |
| MULTI-ELECTRIC MANUFACTURING | CHICAGO | IL |
| MUNICIPAL PAVING COMPANY | HODGKINS | IL |
| MUNICIPAL POWER PLANT | WINNETKA | IL |
| MUNICIPAL POWER PLT | WINNETKA | IL |
| MUNITION PLANT | ILLIOPOLIS | IL |
| MURPHY VARNISH COMPANY | CHICAGO | IL |
| MURRAY CHILDRENS CENTER | CENTRALIA | IL |
| Muscatine Power Plant | Muscatine | IL |
| MUSCATINE-LOUISA DRAINAGE DISTRICT #13 | NEW BOSTON | IL |
| MUSKOGEE ICE LIGHT AND POWER COMPANY | MUSKOGEE | IL |
| MUTUAL TRUST AND LIFE INSURANCE BUILDING – JORIE BOULEVARD | OAK BROOK | IL |
| MUTUAL WHEEL COMPANY | MOLINE | IL |
| MUTUAL WHELL COMPANY | MOLINE | IL |
| Mw Kellogg Co. | Joliet | IL |
| N L INDUSTRIES | GRANITE CITY | IL |
| N. SHURE COMPANY – SOUTH WELLS STREET | CHICAGO | IL |
| N.J. MATTSON CO. | CHICAGO | IL |
| N.K. FAIRBANK AND COMPANY | CHICAGO | IL |
| N.S.M. | Chicago | IL |
| N.W. INCINERATOR | ROSEMONT | IL |
| NAACO MINING DIV. | ARMSTRONG MILLS | IL |
| NABISCO – BLDG 17 | CHICAGO | IL |
| NABISCO BRANDS, INCORPORATED | MARSEILLES | IL |
| Nabisco Company | Chicago | IL |
| NALCO CHEMICAL COMPANY | CHICAGO | IL |
| NALCO RESEARCH CENTER | NAPERVILLE | IL |
| NASHUA CORPORATION – 7800 SOUTH WOODLAWN | CHICAGO | IL |
| NAT GREY FOUNDRY DIV | BELVIDERE | IL |
| National Accelator Lab | Batavia | IL |
| NATIONAL ALUMINATE CORPORATION | CHICAGO | IL |
| NATIONAL ALUMINATE CORPORATION | CLEARING | IL |
| NATIONAL ALUMINUM MFG CO | PEORIA | IL |
| NATIONAL BAKING – WEST POLK STREET | CHICAGO | IL |
| NATIONAL BAKING CO | CHICAGO | IL |
| NATIONAL BANK BUILDING | CHICAGO | IL |
| NATIONAL BISCUIT (NABISCO) PLANT – SOUTH KEDZIE AVENUE | NAPERVILLE | IL |
| National Biscuit Co. | Chicago | IL |
| NATIONAL BISCUIT COMPANY | CHICAGO | IL |
| NATIONAL BISCUIT COMPANY | MARSEILLES | IL |
| NATIONAL BISCUIT COMPANY | NAPERVILLE | IL |
| NATIONAL BISCUIT COMPANY | EVANSTON | IL |
| NATIONAL BISCUIT COMPANY – CARTON FACTORY | MARSEILLES | IL |
| NATIONAL BISCUIT COMPANY, KENNEDY BAKERY | CHICAGO | IL |
| NATIONAL BOX COMPANY | CHICAGO | IL |
| NATIONAL BRICK MACHINERY COMPANY | CHICAGO | IL |
| NATIONAL CAN COMPANY | CHICAGO | IL |
| NATIONAL CASH REGISTER BUILDING | CHICAGO | IL |
| NATIONAL CASH REGISTER CORPORATION BUILDING | CHICAGO | IL |
| NATIONAL CASKET | CHICAGO | IL |
| NATIONAL CASTING | MELROSE PARK | IL |
| NATIONAL CASTING CO | CICERO | IL |
| NATIONAL CASTINGS CO | CICERO | IL |
| NATIONAL CASTINGS DIVISION | CICERO | IL |
| NATIONAL CONTAINER CORPORATION OF ILLINOIS | MADISON | IL |
| NATIONAL COOPERATIVE REFINERY ASSOCIATION | LEMONT | IL |
| NATIONAL DAIRY PRODUCTS CORPORATION | GLENVIEW | IL |
| NATIONAL DISTILLERS AND CHEMICAL CORPORATION | TUSCOLA | IL |
| National Distillers Corps. | Tuscola | IL |
| NATIONAL DISTILLERS PRODUCTS CORP. | TUSCOLA | IL |
| NATIONAL DISTILLERS PRODUCTS CORPORATION | TUSCOLA | IL |
| NATIONAL DISTILLING COMPANY | PEORIA | IL |
| NATIONAL ENAMELING & STAMPING CO | GRANITE CITY | IL |
| NATIONAL ENAMELING AND STAMPING COMPANY | GRANITE CITY | IL |
| NATIONAL GAS STORAGE COMPANY OF ILLINOIS | HERSCHER | IL |
| NATIONAL GRAY IRON FOUNDRY | BELVIDERE | IL |
| NATIONAL LAUNDRY | CHICAGO | IL |
| NATIONAL LAUNDRY & DRY CLEANING COMPANY | CHICAGO | IL |
| NATIONAL LIGHT, HEAT AND POWER COMPANY | CHICAGO | IL |
| NATIONAL LIGHT, HEAT AND POWER COMPANY N Y CY | CHICAGO | IL |
| National Lock | Rockford | IL |
| NATIONAL LOCK CO | ROCKFORD | IL |
| NATIONAL LOCK CO. | ROCKFORD | IL |
| NATIONAL LOCK COMPANY | ROCKFORD | IL |
| NATIONAL MALLEABLE CASTING COMPANY | CHICAGO | IL |
| NATIONAL MALLEABLE CASTINGS COMPANY | CICERO | IL |
| NATIONAL MALLEABLE CASTINGS COMPANY | MELROSE PARK | IL |
| NATIONAL MANUFACTURING COMPANY | STERLING | IL |
| NATIONAL MARINE SERVICE | HARTFORD | IL |
| NATIONAL PARKING GARAGE | CHICAGO | IL |
| NATIONAL PARLOR FURNITURE COMPANY | CHICAGO | IL |
| NATIONAL PECTEN | CHICAGO | IL |
| NATIONAL PETRO CHEMICAL COMPANY | FICKLIN | IL |
| NATIONAL PETRO CHEMICALS CO. | TUSCOLA | IL |
| NATIONAL PETRO CHEMICALS CO. | FICKLIN | IL |
| NATIONAL PETRO CHEMICALS CO. – ETHYLENE UNIT | TUSCOLA | IL |
| NATIONAL PETRO CHEMICALS CO. – NORTH PLANT | TUSCOLA | IL |
| NATIONAL PETRO CHEMICALS CO. – PARKS WHAREHOUSE | DECATUR | IL |
| NATIONAL PETRO-CHEM CORPORATION | TUSCOLA | IL |
| NATIONAL PETROCHEMICAL CORP. | TUSCOLO | IL |
| National Petrochemical Corporation | Flicklin | IL |
| National Petrochemical Corporation | Tuscola | IL |
| NATIONAL PHOSPHATE CORP | MARSEILLES | IL |
| NATIONAL REPUBLIC BUILDING | CHICAGO | IL |
| NATIONAL SAFE DEPOSIT COMPANY | CHICAGO | IL |
| NATIONAL SHRINE OF OUR LADY OF THE SNOWS – APARTMENT COMMUNITY | BELLEVILLE | IL |
| NATIONAL SOLDIERS HOME | DANVILLE | IL |
| NATIONAL STANDARD | HAVANNA | IL |
| NATIONAL STANDARD CO. | HAVANA | IL |
| NATIONAL STANDARD COMPANY | HAVANA | IL |
| NATIONAL STARCH & CHEMICAL | CHICAGO | IL |
| NATIONAL STEEL COMPANY | CHICAGO | IL |
| NATIONAL STEEL CORPORATION | GRANITE CITY | IL |
| NATIONAL STOCKYARDS | NATIONAL CITY | IL |
| National Supply Company | Robinson | IL |
| NATIONAL TEA COMPANY | CHICAGO | IL |
| NATIONAL TEA COMPANY – CROSBY STREET | CHICAGO | IL |
| NATIONAL VIDEO CORP. | CHICAGO | IL |
| NATIONAL WARE HOUSE COMPANY | CHICAGO | IL |
| NATIVITY OF THE BLESSED VIRGIN MARY (BVM) SCHOOL – SOUTH WASHTENAW AVENUE | CHICAGO | IL |
| NATKIN SERVICE CO | PEORIA | IL |
| NATKIN SERVICE CO. | PEORIA | IL |
| NATL CAST CO DIV MIDLAND ROSS | CICERO 50 | IL |
| NATURAL GAS PIPELINE CO. OF AMERICA – STATION | Hammond | IL |
| NATURAL GAS PIPELINE CO. OF AMERICA – STATION 110 | Geneseo | IL |
| NATURAL GAS PIPELINE COMPANY – STATION 201 | HERSCHER | IL |
| NATURAL GAS PIPELINE COMPANY OF AMERICA – HERSCHER GAS STORAGE FACILITY | HERSCHER | IL |
| NATURAL GAS PIPELINE COMPANY OF AMERICA – STATION 310 | CENTRALIA | IL |
| Natural Homes | Bloomington | IL |
| NAVAL HOSPITAL GREAT LAKES | NORTH CHICAGO | IL |
| NAVAL STATION GREAT LAKES – ADMINISTRATION BUILDING | NORTH CHICAGO | IL |
| NAVAL SUPPLY DEPOT – BLDG #32120 | GREAT LAKES | IL |
| NAVAL SUPPLY DEPOT – BLDG #3212C | GREAT LAKES | IL |
| NAVAL SUPPLY DEPOT – BLDG #321C | GREAT LAKES | IL |
| NAVAL SUPPLY DEPOT – BLDG. 32120 | GREAT LAKES | IL |
| Naval Training Center | Great Lakes | IL |
| Navistar | Melrose Park | IL |
| Navy Regional Finance Center | Great Lakes | IL |
| NAVY REGIONAL FINANCE CENTER, BUILDING 122 | GREAT LAKES | IL |
| Naylor Pipe Company | Chicago | IL |
| NBR. 64 BLOCK PLANT | MARSEILLES | IL |
| NCORN PRODUCTS REFINING CO. – ORDUX BLDG. 33 | ARGO | IL |
| Nehi Royal Crown Corp. | Chicago | IL |
| NEISNER BROTHERS | CHICAGO | IL |
| NELCH HENRY & SONS CO | SPRINGFIELD | IL |
| NELCH HENRY AND SON CO | SPRINGFIELD | IL |
| NELL CHEVROLET | GREENFIELD | IL |
| NELSON LAUNDRY AND DRY CLEANING SYSTEM, INCORPORATED | EVANSTON | IL |
| NELSON MORRIS AND COMPANY | CHICAGO | IL |
| NELSON MORRIS AND COMPANY | EAST ST. LOUIS | IL |
| NELSON MORRIS AND COMPANY, UNION STOCK YARDS | CHICAGO | IL |
| NELSON, MORRIS AND COMPANY | EAST ST. LOUIS | IL |
| NESCAFE PLANT | GRANITE CITY | IL |
| NESCO STEEL BARREL | GRANITE CITY | IL |
| NESCO STEEL BARREL COMPANY | GRANITE CITY | IL |
| NESTLE CO | GRANITE CITY | IL |
| Nestle Company | Granite City | IL |
| NESTLE FOODS COMPANY | FRANKLIN PARK | IL |
| NESTLE FOODS COMPANY | GRANITE CITY | IL |
| NESTLES CO INC | GRANITE CITY | IL |
| NEW CHICAGO TRADE SCHOOL | CHICAGO | IL |
| New Edgewater Beach Hotel | Chicago | IL |
| NEW ELECTRIC COMPANY – POWER PLANT | MT. CARMEL | IL |
| NEW IDEA, DIVISION AUCO | SANDWICH | IL |
| New Jersey Company | De Pue | IL |
| New Jersey Zinc | De Pue | IL |
| NEW JERSEY ZINC | DEPEW | IL |
| NEW JERSEY ZINC CO | DEPUE | IL |
| New Jersey Zinc Company | Depue | IL |
| NEW KORDITE BLDG | JACKSONVILLE | IL |
| NEW PROCESS D-ENAMELING CO | AURORA | IL |
| NEW TRIER HIGH SCHOOL | WINETKA | IL |
| New Trier High School | Winnetka | IL |
| NEW TRIER TOWNSHIP HIGH SCHOOL | NORTHFIELD | IL |
| NEW TRIER TOWNSHIP HIGH SCHOOL | WINNETKA | IL |
| NEW TRIER TOWNSHIP HIGH SCHOOL – WEST DIVISION BLDG NBR A | NORTHFIELD | IL |
| NEW TRIER TOWNSHIP HIGH SCHOOL – WEST DIVISION BLDG NBR B | NORTHFIELD | IL |
| NEW TRIER TOWNSHIP HIGH SCHOOL – WEST DIVISION BLDG NBR C | NORTHFIELD | IL |
| NEW TRIER TOWNSHIP HIGH SCHOOL – WEST DIVISION BLDG NBR F | NORTHFIELD | IL |
| New Trier West High School | Winnetka | IL |
| New York Central Railroad | Chicago | IL |
| NEW YORK CENTRAL RAILROAD | LAPORTE | IL |
| NEW YORK CENTRAL RAILROAD | ELKHART | IL |
| NEW YORK CENTRAL RAILROAD | FT. WAYNE | IL |
| NEW YORK CENTRAL RAILROAD COMPANY | CHICAGO | IL |
| NEW YORK CENTRAL SYSTEM | CHICAGO | IL |
| NEW YORK CENTRAL SYSTEM | MATTOON | IL |
| NEW YORK LIFE INSURANCE CO. | CHICAGO | IL |
| NEW YORK, CHICAGO, AND ST. LOUIS RAILROAD COMPANY | CHICAGO | IL |
| NEWEST STEEL AND WIRE | STERLING | IL |
| Newman Center of the Cardinal Stritch Foundation of Holy Trinity Parish | Chicago | IL |
| NEWMAN GRADE SCHOOL | NEWMAN | IL |
| NEWPORT MINING COMPANY | DECATUR | IL |
| NEWTON AND ASSOCIATES, LIZ SIDING | NEWTON | IL |
| Newton Powerhouse | Newton | IL |
| NICOR | MCCOOK | IL |
| NIEDERINGHAUS METHODIST CHURCH | GRANITE CITY | IL |
| Nigas | Morris | IL |
| NILES TOWNSHIP HIGH SCHOOL | SKOKIE | IL |
| NITCO CHEMICAL COMPANY | LAWRENCEVILLE | IL |
| NITRIN CHEMICAL CO | CORDOVAM | IL |
| NITRIN CHEMICAL CORPORATION | CORDOVA | IL |
| NITRIN GAS CORP | CORDOVA | IL |
| NITRIN INC | CORDOVA | IL |
| NL INDUSTRIES | CHICAGO | IL |
| No Petro Checm Co | Morris | IL |
| NO WEST STEEL AND WIRE | STERLING | IL |
| NORCHEM INC | MORRIS | IL |
| NORCROSS C S & SONS | BUSHNELL | IL |
| NORCROSS C S AND SONS | BUSHNELL | IL |
| Nordberg – Pastorel, Minneapolis Power Plant Ill., Exhaust Header | Minneapolis | IL |
| NORFOLK WESTERN RAILROAD | ST. LOUIS | IL |
| NORFOLK WESTERN RAILROAD | DECATUR | IL |
| NORFOLK WESTERN SHOPS | NOT PROVIDED | IL |
| Norge Company | Herrin | IL |
| NORGE DIV | HERRIN | IL |
| NORGE DIV OF BORG WARNER | HERRIN | IL |
| NORMAL LAUNDRY | CHICAGO | IL |
| Norridge Lanes Bowl | IL | |
| North American Asbestos | Chicago | IL |
| NORTH AMERICAN CAN CORP | CHICAGO RIDGE | IL |
| NORTH AMERICAN CAR CORPORATION | CHICAGO RIDGE | IL |
| NORTH AMERICAN COLD STORAGE COMPANY | CHICAGO | IL |
| North American Insurance Company, Edward J. Krisor’s Office | Rockford | IL |
| NORTH BROTHERS | CHAMPAIGN | IL |
| NORTH BUILDING – RANDOLPH AND CANAL STREET | CHICAGO | IL |
| North Central Filtration Company | Naperville | IL |
| North Chicago Refiners & Smelters, Inc. | North Chicago | IL |
| NORTH END F COMPANY | ROCKFORD | IL |
| NORTH RIVERSIDE PARK MALL – CARSON PIRIE SCOTT DEPARTMENT STORE | NORTH RIVERSIDE | IL |
| NORTH SHORE BAPTIST CHURCH | CHICAGO | IL |
| NORTH SHORE COKE & CHEMICAL COMPANY | WAUKEGAN | IL |
| North Shore Congregation Israel | Glencoe | IL |
| North Shore Congregation Israel Temple & School | Glencoe | IL |
| NORTH SHORE ELECTRIC COMPANY – GENERATING STATION | EVANSTON | IL |
| NORTH SHORE ELECTRIC COMPANY – HARVEY STEAM PLANT | HARVEY | IL |
| NORTH SHORE ELECTRIC COMPANY – POWER PLANT | HIGHLAND PARK | IL |
| NORTH SHORE ELECTRIC COMPANY – POWER PLANT | WAUKEGAN | IL |
| NORTH SHORE ELECTRIC COMPANY – POWER PLANT | MAYWOOD | IL |
| NORTH SHORE ELECTRIC COMPANY – POWER PLANT | BLUE ISLAND | IL |
| North Shore Gas Company | Waukegan | IL |
| NORTH SHORE GAS COMPANY – MANUFACTURED GAS PLANT | DEERFIELD | IL |
| NORTH SHORE GAS COMPANY – MANUFACTURED GAS PLANT | WAUKEGAN | IL |
| NORTH SHORE RESEARCH AND OFF | MORTON GROVE | IL |
| North Shore Sanitary District – Wastewater Treatment Plant | Waukegan | IL |
| North Shore Sanitation District | Waukegan | IL |
| NORTH STAR EGG CASE COMPANY | QUINCY | IL |
| NORTHERN HOSPITAL FOR INSANE | ELGIN | IL |
| NORTHERN ILLINOIS COAL COMPANY | WILMINGTON | IL |
| Northern Illinois Gas | Morris | IL |
| Northern Illinois Gas Company | Minooka | IL |
| NORTHERN ILLINOIS LIGHT AND TRACTION COMPANY – STEAM PLANT | OTTAWA | IL |
| NORTHERN ILLINOIS UNIVERSITY – SWEN PARSON HALL | ROCKFORD | IL |
| Northern Pacific Railroad Roundhouse | Franklin Park | IL |
| Northern Petro Chemical | Morris | IL |
| NORTHERN PETRO CHEMICAL | CHANNAHON | IL |
| Northern Petro Chemicals | Joliet | IL |
| NORTHERN PETROCHEM CO. | MORRIS | IL |
| Northern Petrochemical | Joliet | IL |
| Northern Petrochemical | Morris | IL |
| NORTHERN PETROCHEMICAL CO | MORRIS | IL |
| NORTHERN PETROCHEMICAL COMPANY | MORRIS | IL |
| NORTHERN PETROCHEMICAL COMPANY | JOLIET | IL |
| NORTHERN PETROCHEMICAL PLANT | MORRIS | IL |
| NORTHERN REGIONAL PESEACH | PEORIA | IL |
| NORTHERN TRUST | CHICAGO | IL |
| NORTHERN TRUST BANK ANNEX – SOUTH LASALLE STREET | CHICAGO | IL |
| NORTHERN TRUST CENTER – SOUTH WACKER DRIVE | CHICAGO | IL |
| NORTHERN TRUST CO | CHICAGO | IL |
| Northshore Country Club – Boiler Room Ceiling | Chicago | IL |
| Northshore Country Club – Boiler Room Ceiling | Glenview | IL |
| NORTHTOWN NATIONAL BANK | ROCKFORD | IL |
| Northwest Builders Association, Moose Lodge Hall | Crystal Lake | IL |
| Northwest Community Hospital | Arlington Heights | IL |
| NORTHWEST STEEL & WIRE CO | STERLING | IL |
| Northwester University | Evanston | IL |
| NORTHWESTERN ELEVATED RAILWAY COMPANY | CHICAGO | IL |
| NORTHWESTERN GAS AND ELECTRIC COMPANY – GAS PLANT | OAK PARK | IL |
| NORTHWESTERN GLUE COMPANY | CHICAGO | IL |
| NORTHWESTERN GRAIN AND MALT COMPANY | CHICAGO | IL |
| Northwestern High School | Chicago | IL |
| Northwestern Industrial Piping | Niles | IL |
| NORTHWESTERN MALT AND GRAIN COMPANY | CHICAGO | IL |
| NORTHWESTERN MALT AND GRAIN COMPANY | CRAGIN | IL |
| Northwestern Memorial Hospital | Evanston | IL |
| NORTHWESTERN STEEL | STERLING | IL |
| NORTHWESTERN STEEL & WIRE | STERLING | IL |
| NORTHWESTERN STEEL & WIRE – PLANT #2 | STERLING | IL |
| NORTHWESTERN STEEL & WIRE CO. | STERLING | IL |
| NORTHWESTERN STEEL & WIRE COMPANY | STERLING | IL |
| NORTHWESTERN STOVE REPAIR COMPANY | CHICAGO | IL |
| Northwestern University Law School, McKinlock Campus, Lincoln Hall | Chicago | IL |
| NORTHWESTERN YEAST COMPANY | CHICAGO | IL |
| NORTON BROTHERS | CHICAGO | IL |
| NORTON BROTHERS | MAYWOOD | IL |
| Norton Chemical Co | Ringwood | IL |
| NORTWESTERN STEEL AND WIRE COMPANY | STERLING | IL |
| NORWEGIAN AMERICAN HOSPITAL | CHICAGO | IL |
| Notre Dame School for Boys | Niles | IL |
| NOWEST STEEL AND WIRE | STERLING | IL |
| NU-WAY LAUNDRY & CLEANERS | GLEN ELLYN | IL |
| Nubian Paint & Varish Company | Chicago | IL |
| NUGENT IMPORT MOTORS BUILDING – SOUTH WAUKEGAN ROAD | GLENVIEW | IL |
| Nutwood Drainage & Levee District | East Hardin | IL |
| Nutwood Drainage & Levee District | Jerseyville | IL |
| NUTWOOD DRAINAGE LEVEE DISTRICT | JERSEYVILLE | IL |
| O & F SUPPLY COMPANY | ROCKFORD | IL |
| O’Hare Airport | Chicago | IL |
| O’HARE AIRPORT HOTEL | CHICAGO | IL |
| O’Hare Field, Seven Continents Restaurant | Chicago | IL |
| O’HARE HOTEL PARKING LOT | CHICAGO | IL |
| O’Hare International Airport | Chicago | IL |
| O’HARE INTERNATIONAL AIRPORT – INTERNATIONAL TERMINAL | CHICAGO | IL |
| O’HARE MAINTENANCE CORPORATION | CHICAGO | IL |
| O’HARE PLAZA OFFICE BUILDING – WEST HIGGINS ROAD | CHICAGO | IL |
| O’MAC CO. | CAPRON | IL |
| O’Malley Bros | Chicago | IL |
| O.V. BACHELLE | CHICAGO | IL |
| O`HARE AIRPORT | CHICAGO | IL |
| O`HARE AIRPORT – TWA & UNITED TUNNEL | CHICAGO | IL |
| Oak Park Hospital | Oak Park | IL |
| OAK PARK YARYAN COMPANY | OAK PARK | IL |
| OAK PARK YARYAN COMPANY | RIDGELAND | IL |
| OAK PARK YARYOU COMPANY | RIDGELAND | IL |
| OAK PARK YMCA | OAK PARK | IL |
| OAKBROOK TOWERS | OAKBROOK | IL |
| Oakenwood North, 4061 S. Lakepark Ave. | Chicago | IL |
| OAKES PRODUCTS DIVISION HOUDAILLE HERSHEY CORPORATION | DECATUR | IL |
| Oakwood Powerhouse | Oakwood | IL |
| OATMAN BROTHERS | AMBOY | IL |
| OBEAR NESTER GLASS CO | EAST ST. LOUIS | IL |
| OBEAR NESTER GLASS COMPANY | EAST SAINT LOUIS | IL |
| Obernester Glass | East St. Louis | IL |
| OCTAVIA HIGH SCHOOL – MCLEAN COUNTY | COLFAX | IL |
| OCTAVIA HIGH SCHOOL, MCLEAN COUNTY | COLFAX | IL |
| ODD FELLOWS ORPHANS HOME | LINCOLN | IL |
| OEITE CORPORATION | CHICAGO | IL |
| OFFICE BUILDING, 111 EAST WACKER DR. | CHICAGO | IL |
| OGDEN AVENUE SCHOOL | LAGRANGE | IL |
| OGDEN COURTS – 2710 WEST OGDEN | CHICAGO | IL |
| OGDEN KEDZIE CORPORATION | CHICAGO | IL |
| Ogden Mfg Co | Chicago | IL |
| OHARE AIRPORT TERMINAL BLDG. – R835 TERMINAL AREA | CHICAGO | IL |
| OHARE HOTEL PARKING LOT – OHARE FIELD | CHICAGO | IL |
| OHARE HYATT HOUSE | SCHILLER PARK | IL |
| OHARE INTERNATIONAL AIRPORT – R B 28 TERMINAL AREA | CHICAGO | IL |
| OHARE INTERNATIONAL AIRPORT – R B 46 TERMINAL AREA | CHICAGO | IL |
| OHARE INTERNATIONAL AIRPORT – RB28 TERMINAL AREA | CHICAGO | IL |
| OHARE INTERNATIONAL AIRPORT – RB35 TERMINAL AREA | CHICAGO | IL |
| OHARE INTERNATIONAL AIRPORT – RB46 TERMINAL AREA | CHICAGO | IL |
| OHARE INTERNATIONAL AIRPORT TERM. – RB28 TERMINAL AREA | CHICAGO | IL |
| OHARE INTERNATIONAL AIRPORT TERM. – RB35 TERMINAL AREA | CHICAGO | IL |
| Ohio Oil Company | Robinson | IL |
| Ohio Oil Company | Bridgeport | IL |
| OHIO OIL COMPANY – REFINERY OFFICE BUILDING | ROBINSON | IL |
| OHIO OIL COMPANY – REFINING DEPARTMENT | ROBINSON | IL |
| OHIO QUARRIES COMPANY | CHICAGO | IL |
| Oil Refinery | Coffeyville | IL |
| OLD BEN COAL | SESSER | IL |
| OLD BEN COAL CORPORATION | CHRISTOPHER | IL |
| OLD BEN COAL CORPORATION, MINE NUMBER 15 | WEST FRANKFORT | IL |
| Old Orchard | Chicago | IL |
| OLD POWDER PLANT | ORDILL | IL |
| Olin Brass | East Alton | IL |
| Olin Chemical | East Alton | IL |
| Olin Chemical | Joliet | IL |
| OLIN CHEMICALS | JOLIET | IL |
| Olin Corp | East Alton | IL |
| OLIN CORPORATION | EAST ALTON | IL |
| OLIN CORPORATION | JOLIET | IL |
| OLIN EAST METALS DIV | E ALTON | IL |
| OLIN EAST METALS DIV | ALTON | IL |
| OLIN MATHIESON CHEM CORP | EAST ALTON | IL |
| Olin Mathieson Chemical Corp | East Alton | IL |
| Olin Mathieson Chemical Corp | Joliet | IL |
| OLIN MATHIESON CHEMICAL CORP. – ORDILL WORKS | MARION | IL |
| OLIN MATHIESON CHEMICAL CORP. – ORDILL WORKS | MARTON | IL |
| Olin Mathieson Chemical Corporation | East Alton | IL |
| OLIN MATHIESON CORP | EAST ALTON | IL |
| OLIN-MATHIESON CHEMICAL CORP. | EAST ALTON | IL |
| Olin-Mathison Chemical Corp | East Alton | IL |
| Oliver Farm Equipment Company | SHELBYVILLE | IL |
| OLSEN MAGNETIC CORP | MT VERNON | IL |
| OLSEN WILLEY | MT VERNON | IL |
| OLSON RUG COMPANY | CHICAGO | IL |
| OLYMPIA HIGH SCHOOL – MCLEAN COUNTY | MINIER | IL |
| OLYMPIA HIGH SCHOOL, MCLEAN COUNTY | MINIER | IL |
| OMAHA PACKING COMPANY | CHICAGO | IL |
| ONARGA HEATING COMPANY | ONARGE | IL |
| ONE PRUDENTIAL PLAZA | CHICAGO | IL |
| ONTARIO WAREHOUSE COMPANY – WEST ONTARIO STREET | CHICAGO | IL |
| Ordnance Naval Plant | Forest Park | IL |
| ORENDA CORPORATION | WILMINGTON | IL |
| ORR ACADEMY HIGH SCHOOL – NORTH PULASKI AVENUE | CHICAGO | IL |
| Orr High School | Chicago | IL |
| OSCAR F. MAYER AND BROTHER | CHICAGO | IL |
| OSCAR MAYER & CO/OSCAR MEYER? | CHICAGO | IL |
| OSCAR MAYER & COMPANY | CHICAGO | IL |
| OSCAR MAYER AND COMPANY | CHICAGO | IL |
| OSCAR MEYER & CO | CHICAGO | IL |
| OSITE CORPORATION | CHICAGO | IL |
| OTIS BUILDING | CHICAGO | IL |
| OTTAWA JUNIOR HIGH SCHOOL – LASALLE COUNTY | OTTAWA | IL |
| OTTAWA JUNIOR HIGH SCHOOL, LASALLE COUNTY | OTTAWA | IL |
| OTTAWA RAILWAY LIGHT AND POWER COMPANY | OTTAWA | IL |
| OTTAWA SILICA CO OTTAWA D | OTTAWA | IL |
| OTTAWA SILICA CO. | OTTAWA | IL |
| OTTAWA SILICA COMPANY | OTTAWA | IL |
| OTTO BAUSKE & HINNER | WOODSTOCK | IL |
| OTTO YOUNG | CHICAGO | IL |
| OTTO YOUNG BUILDING | CHICAGO | IL |
| OTTOWA SILICA | OTTAWA | IL |
| OUR LADY OF ANGELS | WHEATON | IL |
| Our Lady Queen of Peace School | Belleville | IL |
| OUTBOARD MARINE CORPORATION | WAUKEGAN | IL |
| OUTER DRIVER EAST APARTMENTS | CHICAGO | IL |
| OVALTIINE PRODUCTS | VILLA PARK | IL |
| OVALTINE | CHICAGO | IL |
| OVALTINE FOOD PRODUCTS | CHICAGO | IL |
| OVALTINE FOOD PRODUCTS COMPANY | VILLA PARK | IL |
| OVALTINE PRODUCTS | VILLA PARK | IL |
| Owen’s Café | Plainfield | IL |
| OWENS CORNING FIBERGLAS | BLOOMINGTON | IL |
| OWENS CORNING FIBERGLAS CORPORATION | BLOOMINGTON | IL |
| OWENS CORNING FIBERGLAS CORPORATION | MADISON | IL |
| OWENS CORNING FIBERGLASS | RIVERDALE | IL |
| OWENS CORNING FIBERGLASS | CHICAGO | IL |
| OWENS CORNING FIBERGLASS | BLOOMINGTON | IL |
| OWENS ILLINOIS | STREATOR | IL |
| OWENS ILLINOIS | GODFREY | IL |
| OWENS ILLINOIS | ALTON | IL |
| OWENS ILLINOIS GLASS COMPANY | STREATOR | IL |
| Owens Illinois Glass Company | Alton | IL |
| OWENS ILLINOIS GLASS COMPANY – GLASS CONTAINER DIVISION – PLANT #7 | ALTON | IL |
| OWENS ILLINOIS GLASS MOLD MFG. PLANT | ALTON | IL |
| Owens-Illinois | Chicago Heights | IL |
| Owens-Illinois | Alton | IL |
| OWENS-ILLINOIS GLASS COMPANY | STREATOR | IL |
| OWENS-ILLINOIS MACHINE MFG. CO. | GODFREY | IL |
| OWENS-ILLINOIS, INC. | ALTON | IL |
| OWENS-ILLINOIS, INC. | STREATOR | IL |
| OXFORD KENT | CHICAGO | IL |
| OZARK MAHONING COMPANY | ROSTCLARE | IL |
| OZARK MAHONING MINING CO | ROSECLARE | IL |
| OZARK MAHONING MINING CO | ROSTCLARE | IL |
| OZARK-MAHONING COMPANY | ROSTCLARE | IL |
| OZITE PRODUCTS | CHICAGO | IL |
| P A JOHNSON AND CO | CHICAGO | IL |
| P P G INDUSTRIES | MT ZION | IL |
| P P G INDUSTRIES | ALL IL LOCATIONS | IL |
| P P G INDUSTRIES INC | ALL IL LOCATIONS | IL |
| P P G INDUSTRIES INC | MT ZION | IL |
| P&M REALTY | CHICAGO | IL |
| P. A. JOHNSON & CO. | CHICAGO | IL |
| P. AND O. MANUFACTURING, INCORPORATED | CANTON | IL |
| P. FLANNERY & SONS, INCORPORATED | EAST ST. LOUIS | IL |
| P. NACEY COMPANY – BLDG NBR 611 | CHICAGO | IL |
| P. P. G. Industries | Mt. Zion | IL |
| P. SCHOENHOFEN BREWING COMPANY | CHICAGO | IL |
| P.D. ARMOUR LAND COMPANY | CHICAGO | IL |
| P.S. COMPANY OF NORTHERN ILLINOIS | WAUKEGAN | IL |
| Pabst Brewery | Peoria | IL |
| PABST BREWING CO | PEORIA | IL |
| PABST BREWING COMPANY | PEORIA HEIGHTS | IL |
| PACIFIC COAST CONDENSED MILK COMPANY | OREGON | IL |
| PACKAGING CORPORATION OF AMERICA | QUINCY | IL |
| PACKAGING CORPORATION OF AMERICA | WHEELING | IL |
| PACKAGING CORPORATION OF AMERICA – CENTRAL FIBRE PRODUCTS DIVISION | QUINCY | IL |
| PAGE BOILER CO | CHICAGO | IL |
| PALMER ASBESTOS | CHICAGO | IL |
| PALMER HOUSE | CHICAGO | IL |
| Palmer House, La Petite Café | Chicago | IL |
| PALMOLIVE LAUNDRY | CHICAGO | IL |
| PALOS COMMUNITY HOSPITAL | PALOS HEIGHTS | IL |
| Pan Handle Eastern Pipelinge Co | Waverly | IL |
| Pana Refining Company | Pana | IL |
| Panhandle Eastern Pipe Line Company | Pleasant Hill | IL |
| PANHANDLE EASTERN PIPELINE CO | GLENARM | IL |
| PARAGON DIE | CHICAGO | IL |
| PARAGON DIE CASTING CO | CHICAGO | IL |
| PARAMOUNT TEXTILE MACHINERY CO. | KANKAKEE | IL |
| PARK BUILDING COMPANY | CHICAGO | IL |
| PARK HILL COUNTRY CLUB | BARRINGTON HILLS | IL |
| Park Ridge Country Club | Park Ridge | IL |
| PARK RIDGE ELEMENTARY SCHOOL | PARK RIDGE | IL |
| Park Ridge Presbyterian Church | Park Ridge | IL |
| PARK SHERMAN | SPRINGFIELD | IL |
| PARKER LAUNDRY | ROCK ISLAND | IL |
| PARKING GARAGE, 333 S. SHERMAN ST. | CHICAGO | IL |
| PARKS WAREHOUSE | DECATUR | IL |
| PARLIN AND ORENDORFF | CANTON | IL |
| PASSAVANT MEMORIAL AREA HOSPITAL | JACKSONVILLE | IL |
| PAUL F BEICH CANDY CO | BLOOMINGTON | IL |
| Paul J Krez Comapny | Chicago | IL |
| Paul J Krez Company | Chicago | IL |
| Paul J Krez Company | Niles | IL |
| PAUL J. KREZ COMPANY | MOUNT PROSPECT | IL |
| PAUL J. KREZ COMPANY | CHICAGO | IL |
| PAUL REVERE SCHOOL – 1010 EAST 72ND STREET | CHICAGO | IL |
| PAULSON HEATING COMPANY | BELVIDERE | IL |
| PEABODY COAL CO | FREEBURG | IL |
| PEABODY COAL CO | FREESBURG | IL |
| PEABODY COAL COMPANY | DUQUOIN | IL |
| PEABODY COAL COMPANY | HARCO | IL |
| PEABODY COAL COMPANY | WYOMING | IL |
| PEABODY COAL COMPANY | PANA | IL |
| PEARL POWER PLANT | PEARL | IL |
| PEARSALLS PLUMBING AND HEAT | HILLSDALE | IL |
| Peavey Mill | Alton | IL |
| PECATONICA SCHOOL | PECATONICA | IL |
| PECK & HILL | CHICAGO | IL |
| PEERLESS CONFECTION COMPANY | CHICAGO | IL |
| Peerless Metal Fabricators | Bridgeview | IL |
| PEKIN COOPERAGE COMPANY | PEKIN | IL |
| Pekin Corn Products | Pekin | IL |
| PEKIN ENERGY CORPORATION | PEKIN | IL |
| PEKIN MEMORIAL HOSPITAL | PEKIN | IL |
| PEKIN PAPERBOARD COMPANY | PEKIN | IL |
| PEKIN PUBLIC HOSPITAL | PEKIN | IL |
| Peking & Lamarsh Drainage & Levee District | Rollis | IL |
| PENN ALUM. | MURPHYSBORO | IL |
| PENNSYLVANIA CENTRAL RAILROAD | SAINT LOUIS | IL |
| PENNSYLVANIA CENTRAL RAILROAD | FT. WAYNE | IL |
| PENNSYLVANIA COMPANY | CHICAGO | IL |
| PENNSYLVANIA RAILROAD LINES, WEST OF PITTSBURGH | CHICAGO | IL |
| People’s Gas, Light & Coke | Chicago | IL |
| Peoples Coal | Elmhurst | IL |
| PEOPLES GAS COMPANIES | CHICAGO | IL |
| Peoples Gas Light & Coke Company | Chicago | IL |
| Peoples Gas Light & Coke Company | Joliet | IL |
| PEOPLES GAS LIGHT AND COKE COMPANY – MANUFACTURED GAS PLANT | CHICAGO | IL |
| PEOPLES GAS LIGHT AND COKE COMPANY – MANUFACTURED GAS PLANT | ELWOOD | IL |
| PEOPLES GAS, LIGHT & COKE | CHICAGO | IL |
| Peoples Hospital | Peru | IL |
| PEOPLES HOT WATER, HEATING AND ELECTRIC COMPANY – POWER PLANT | SPRINGFIELD | IL |
| PEOPLES LIGHT AND RAILWAY COMPANY | STREATOR | IL |
| PEOPLES POWER COMPANY | MOLINE | IL |
| Peoria & Pekin Railway Co. | Peoria | IL |
| PEORIA & PEKIN TRACTION COMPANY | PEORIA | IL |
| PEORIA AND KANKAKEE HOSPITAL | PEORIA | IL |
| PEORIA AND PEKIN UNION RAILWAY COMPANY | PEORIA | IL |
| PEORIA APRON & TOWEL SUPP | PEORIA | IL |
| PEORIA BLOOMINGTON AND CHAMPAIGN RAILWAY COMPANY | PEORIA | IL |
| PEORIA BLOOMINGTON AND CHAMPAIGN RAILWAY COMPANY | BLOOMINGTON | IL |
| PEORIA CORDAGE COMPANY | PEORIA | IL |
| PEORIA GRAPE SUGAR COMPANY | PEORIA | IL |
| Peoria Housing Authority | Peoria | IL |
| Peoria Industrial Piping | Peoria | IL |
| PEORIA MALL CASTINGS CO | PEORIA | IL |
| PEORIA RUBBER AND MANUFACTURING COMPANY | PEORIA | IL |
| Peoria Sanitary District | Peoria | IL |
| PEORIA SAVINGS & LOAN ASSOCIATION | PEORIA | IL |
| PEORIA STEEL AND TOOL COMPANY | PEORIA | IL |
| PEORIA SUGAR REFINING COMPANY | PEORIA | IL |
| PEPSI-COLA GENERAL BOTTLERS | CHICAGO | IL |
| Percision Quincy Corporation | Woodstock | IL |
| PERFECTION TOOL METAL HEA | CHICAGO | IL |
| PERK DOG FOOD CO | CHICAGO | IL |
| PERMAGLAS DIVISION | KANKAKEE | IL |
| PERU LIGHT AND POWER CO | PERU | IL |
| PERU NURSING HOME | PERU | IL |
| PETER FOX BREWING COMPANY | CHICAGO | IL |
| PETER KNOWE & SON | CHICAGO | IL |
| PETER SCHOENHOFEN BREWING COMPANY | CHICAGO | IL |
| PETROFF PACKING CO | BENTON | IL |
| Pettibone Mulliken Corp. | Chicago | IL |
| PETTIBONE MULLIKEN CORPORATION | CHICAGO | IL |
| PETTIBONE MULLIKEN CORPORATION – WEST DIVISION STREET | CHICAGO | IL |
| Pettibone Steel | Chicago | IL |
| Pfeiffer Fire Brick | Joliet | IL |
| PFIZER | EAST SAINT LOUIS | IL |
| PFIZER | SAUGET | IL |
| Pfizer Chemical | East St. Louis | IL |
| PHELPS DODGE ALUM PROD CORP | MURPHYSBORO | IL |
| Phelps Dodge Aluminum | Venice | IL |
| Phelps Dodge Aluminum | Madison | IL |
| PHELPS DODGE ALUMINUM COR | MADISON | IL |
| PHELPS DODGE ALUMINUM MADISON DIVISION | MADISON | IL |
| PHELPS DODGE CORP PLANT | DUQUOIN | IL |
| PHELPS DODGE CORP. PLANT | DUQUOIN | IL |
| PHEOLL MFG CO | CHICAGO | IL |
| Philadelphia & Reading Corporation | Chicago | IL |
| Philadelphia Electric Illinois Power Company | Cromby Station | IL |
| PHILIP CAREY MANUFACTURING COMPANY | WILMINGTON | IL |
| PHILLIPS 66 | SAUGET | IL |
| PHILLIPS MANUFACTURING | SKOKIE | IL |
| PHILLIPS PETROLEUM | CAHOKIA | IL |
| Phillips Pipe Line | Kankaha | IL |
| Phillips Pipeline | Cahokia | IL |
| Phillips Pipeline | Ohaki | IL |
| PHOENIX HORSESHOE COMPANY | JOLIET | IL |
| PHOENIX HORSESHOE COMPANY | CHICAGO | IL |
| Phoenix Manufacturing | Joliet | IL |
| PHOENIX MANUFACTURING CO | JOLIET | IL |
| PHOENIX MANUFACTURING COMPANY | JOLIET | IL |
| Phoenix Mfg. Co. | Joliet | IL |
| PICK-GEORGIAN | EVANSTON | IL |
| PILLSBURY | SPRINGFIELD | IL |
| PILLSBURY COMPANY | HOOPESTON | IL |
| Pillsbury Mill | Hoopeston | IL |
| Pillsbury Mill | Springfield | IL |
| PIllsbury Mills | Springfield | IL |
| PIONEER BREWING COMPANY | JOLIET | IL |
| PIONEER COOPERAGE COMPANY | CHICAGO | IL |
| PIONEER GEN. E. MOTOR | CHICAGO | IL |
| PIONEER SERVICE AND ENGINEERING COMPANY | CHICAGO | IL |
| PITTSBURG REDUCTION COMPANY | EAST ST. LOUIS | IL |
| PITTSBURGH PLATE & GLASS | MOUNT ZION | IL |
| Pittsburgh Plate Glass | Lincoln | IL |
| PITTSBURGH PLATE GLASS | MT ZION | IL |
| Pittsburgh Plate Glass | Mt. Zion | IL |
| PITTSBURGH PLATE GLASS COMPANY | MT. ZION | IL |
| PITTSBURGH REDUCTION COMPANY | EAST ST. LOUIS | IL |
| PITTSBURGH STEEL | SOUTH CHICAGO | IL |
| PITTSBURGH, CINCINNATI, CHICAGO AND ST. LOUIS RAILROAD COMPANY | EAST ST. LOUIS | IL |
| Pius X School | Lombard | IL |
| PIZZERIA DUE | CHICAGO | IL |
| PLANO MANUFACTURING COMPANY | CHICAGO | IL |
| PLASTICS AND COAL CHEMICALS DIVISION, ALLIED CHEMICAL AND DYE CORPORATION | CHICAGO | IL |
| PLATZ WHOLESALE FLORISTS | MORTON GROVE | IL |
| Plibrico | Chicago | IL |
| Plymouth Courts Apartments | Glenview | IL |
| POE ELEMENTARY SCHOOL – 10538 SOUTH LANGLEY AVENUE | CHICAGO | IL |
| POLICE ACADEMY – WEST JACKSON BOULEVARD | CHICAGO | IL |
| POLISH DEMOCRATIC CLUB – FIFTH AVENUE | CHICAGO HEIGHTS | IL |
| POLLAK STEEL COMPANY | SOUTH CHICAGO | IL |
| POLLOCK STEEL COMPANY | CHICAGO | IL |
| POND CREEK COAL COMPANY | HERRIN | IL |
| PONDS | WESTMONT | IL |
| PONTIAC ELECTRIC COMPANY – POWER PLANT | PONTIAC | IL |
| PONTIAC LIGHT AND WATER COMPANY – POWER PLANT | PONTIAC | IL |
| PONTIAC SCHOOL | FAIRVIEW HEIGHTS | IL |
| Pontiac Township High School | Pontiac | IL |
| POOR AND COMPANY – PROMAT DIVISION – MARKET STREET | WAUKEGAN | IL |
| POOR CLARE MONASTERY | HICKORY HILLS | IL |
| POPE GLUCOSE COMPANY | GENEVA | IL |
| PORTEX INC | CHICAGO | IL |
| PORTLAND CEMENT | SKOKIE | IL |
| PORTLAND CEMENT ASSOCIATION | SKOKIE | IL |
| POST ENGINEERS – WAREHOUSE 70 | FORT SHERIDAN | IL |
| POTER WORKS | ORDILL | IL |
| POWDERED COAL ENGINEERING AND EQUIPMENT COMPANY | CHICAGO | IL |
| Power Equipment Inc. | Robinson | IL |
| POWER OPERATING COMPANY | MONSANTO | IL |
| POWER PLANT | MARION | IL |
| POWERHOUSE | DANVILLE | IL |
| POWERON POWER PLANT | PERKIN | IL |
| POWERTON | PEKIN | IL |
| POWERTON | PEORIA | IL |
| POWERTON GENERATING STATION | POWERTON | IL |
| POWERTON GENERATING STATION | PEKIN | IL |
| POWERTON POWER HOUSE STATION | PEKIN | IL |
| POWERTON POWER STATION | PEKIN | IL |
| Powerton Powerhouse | Pekin | IL |
| POWERTON STATION UNIT 5 | PEKIN | IL |
| POWERTON STATION UNIT 6 | PEKIN | IL |
| PPG INDUSTRIES | LINCOLN | IL |
| PPG INDUSTRIES | MOUNT ZION | IL |
| PPG INDUSTRIES | MT ZION | IL |
| PPG INDUSTRIES | MT. ZION | IL |
| PPG INDUSTRIES INC | MT ZION | IL |
| PRAIRIE PIPE LINE COMPANY | KERMAN | IL |
| PRAIRIE PIPE LINE COMPANY | WILMINGTON | IL |
| PRAIRIE PIPE LINE COMPANY | DAHINDA | IL |
| PRAIRIE PIPE LINE COMPANY | KERNAN | IL |
| PRAIRIE PIPE LINE COMPANY | WILBURN | IL |
| Prairie State Paper Mill | Joliet | IL |
| PRAIRIE STATE PAPER MILLS, INCORPORATED | JOLIET | IL |
| PRAIRIE STEEL CO | HAVANA | IL |
| PRARIE DEHYDRATING CO | ROANOKE | IL |
| PRATT CEREAL MILL COMPANY | DECATUR | IL |
| PRECISION EXTRUSIONS, INC | BENSENVILLE | IL |
| PRECISION INSTRUMENT MFG. CO. | DES PLAINES | IL |
| PREMIER MALT PRODUCTS COMPANY | PEORIA | IL |
| PREMIER ROSE GARDENS | DES PLAINES | IL |
| PREMIER ROSE GARDENS CONSOL INC | MELROSE PARK | IL |
| PREMIER ROSE GARDENS, INCORPORATED | RHODES | IL |
| Premior Pabst | Peoria | IL |
| PRESBYTERIAN HOSPITAL | CHICAGO | IL |
| PRESSED STEEL CAR CO | HEGEWISCH | IL |
| PRESSED STEEL CAR COMPANY | CHICAGO | IL |
| Prestite Company | East St. Louis | IL |
| Price Elementary School, 43d & Drexel Blvd. | Chicago | IL |
| PRIMA BISMARCK BREWING COMPANY | CHICAGO | IL |
| PRINCE CROSSING FARM | WEST CHICAGO | IL |
| PRINCEVILLE HIGH SCHOOL – PEORIA COUNTY | PRINCEVILLE | IL |
| PRINCEVILLE HIGH SCHOOL, PEORIA COUNTY | PRINCEVILLE | IL |
| Pro-Con Clark Oil Platformer And Gas Saturation Plant | Blue Island | IL |
| PROBST PURE PRODUCTS COMPANY | NEW ATHENS | IL |
| Procon Incorporated | Des Plaines | IL |
| PROCTER & GAMBLE MANUFACTURING CO. | CHICAGO | IL |
| PROCTER AND GAMBLE COMPANY | CHICAGO | IL |
| PROCTOR & GAMBLE | CHICAGO | IL |
| PROCTOR & GAMBLE MFG CO | Chicago | IL |
| PROCTOR AND GAMBLE MFG | CHICAGO | IL |
| PROCTOR COMMUNITY HOSPITA | PEORIA | IL |
| PRODUCE COLD STORAGE EX | CHICAGO | IL |
| PRODUCE TERMINAL | CHICAGO | IL |
| PROGRESS INDUSTRIES INC – TANK DIVISION | ARTHUR | IL |
| PROGRESS INDUSTRIES INC. | ARTHUR | IL |
| PROGRESS LAUNDRY | CHICAGO | IL |
| PROGRESS LEATHER | CHICAGO | IL |
| PROGRESSIVE STEEL | ROCKFORD | IL |
| PROGRESSIVE STEEL TREATING | ROCKFORD | IL |
| PROGRESSIVE STEEL TREATING | LOVES PARK | IL |
| PROGRSSIVE STEEL TREATIN | LOVES PARK | IL |
| Prospect Heights Elementary School | Prospect Heights | IL |
| PROSPECT HI SCHOOL | PROSPECT | IL |
| PROSPECT HIGH SCHOOL | MT. PROSPECT | IL |
| Proviso West High School | Hillside | IL |
| PROVISO WEST HIGH SCHOOL | MAYWOOD | IL |
| PRUDENTIAL BUILDING | CHICAGO | IL |
| Prudential Mid-America Home Office Building | IL | |
| Prudential Mid-American Building | Chicago | IL |
| PRYMELAND DEVELOPMENT | MARSEILLES | IL |
| PST. THERESE HOSPITAL | CHICAGO | IL |
| Public School, District #122 | Harlem | IL |
| PUBLIC SERVICE COMPANY OF ILLINOIS | WILL COUNTY | IL |
| Public Service Company of North Illinois | Joliet | IL |
| Public Service Company of Northern Illinois | Dixon | IL |
| Public Service Company of Northern Illinois | Lockport | IL |
| Public Service Company of Northern Illinois | Toledo | IL |
| PUBLIC SERVICE COMPANY OF NORTHERN ILLINOIS | JOLIET | IL |
| PUBLIC SERVICE COMPANY OF NORTHERN ILLINOIS | WEBER | IL |
| PUBLIC SERVICE COMPANY OF NORTHERN ILLINOIS | BLUE ISLAND | IL |
| PUBLIC SERVICE COMPANY OF NORTHERN ILLINOIS | WAUKEGAN | IL |
| PUBLIC SERVICE COMPANY OF NORTHERN ILLINOIS | STREATOR | IL |
| PUBLIC SERVICE COMPANY OF NORTHERN ILLINOIS | OAK PARK | IL |
| PUBLIC SERVICE COMPANY OF NORTHERN ILLINOIS | JOILET | IL |
| Public Service Company of Northern Illinois – Joliet Station | Joliet | IL |
| PUBLIC SERVICE OF INDIANA, INC. | MOUNT CARMEL | IL |
| PUBLIC SERVICE OF NORTHERN ILLINOIS | SKOKIE | IL |
| PUBLICKER COMMERCIAL ALCOHOL COMPANY | EAST ST. LOUIS | IL |
| PULLMAN COMPANY | CHICAGO | IL |
| PULLMAN COMPANY | PULLMAN | IL |
| PULLMAN PALACE CAR COMPANY | PULLMAN | IL |
| Pullman Sheet Metal Works Inc. | Chicago | IL |
| Pullman Standard | Chicago | IL |
| Pullman Standard Car Mfg. Co. | Chicago | IL |
| PULLMAN STANDARD COMPANY | CHICAGO | IL |
| Pump Equipment & Engineering Company | Itasca | IL |
| Pure Carbonic Corp., Inc. | Chicago | IL |
| PURE CARBONIC INC | CHICAGO | IL |
| PURE MILK ASSOCIATION | PEARL CITY | IL |
| Pure Oil | Lemont | IL |
| PURE OIL – BLDG 17 | CHICAGO | IL |
| Pure Oil / Union Oil / Unocal / Chevron | Chicago | IL |
| Pure Oil / Union Oil / Unocal / Chevron | Lemont | IL |
| PURE OIL CO | LAMONT | IL |
| PURE OIL CO – BLDG 17 | CHICAGO | IL |
| PURE OIL CO. | LEMONT | IL |
| PURE OIL CO. | CRYSTAL LAKE | IL |
| PURE OIL COMPANY | LEMONT | IL |
| PURE OIL COMPANY | PALATINE | IL |
| PURE OIL COMPANY (Div. Of Union Oil Company of California) – Lemont Refinery | LEMONT | IL |
| PURE OIL COMPANY – RESEARCH CENTER | CRYSTAL LAKE | IL |
| PURE OIL COMPANY – RESEARCH LABORATORY | CRYSTAL LAKE | IL |
| PURE OIL COMPANY REFINERY | LEMONT | IL |
| PURE OIL DIV UNION OIL OF | LEMONT | IL |
| PURE SILICA SAND CO | TROY GROVE | IL |
| PURINGTON PAVING BRICK COMPANY | GALESBURG | IL |
| PYLE-NATIONAL COMPANY | CHICAGO | IL |
| QUAD CITIES NUCLEAR POWER | CORDOVA | IL |
| QUAD CITIES NUCLEAR POWER STATION | CORDOVA | IL |
| QUAD CITY DIE CASTING CO | MOLINE | IL |
| QUAD CITY DIE CASTING COM | MOLIN | IL |
| Quad City I and II | Cordova | IL |
| Quaker Oats | Barrington | IL |
| Quaker Oats | Rockford | IL |
| QUAKER OATS | CHICAGO | IL |
| QUAKER OATS | PEKIN | IL |
| QUAKER OATS CO | PEKIN | IL |
| QUAKER OATS CO | BARRINGTON | IL |
| QUAKER OATS COMPANY | ROCKFORD | IL |
| QUAKER OATS COMPANY | PEKIN | IL |
| QUAKER OATS COMPANY | CHICAGO | IL |
| QUAKER OATS COMPANY, MERCHANDISE MART PLAZA | CHICAGO | IL |
| QUALITY WET WASH LAUNDRY COMPANY | CHICAGO | IL |
| QUAM-NICHOLS | CHICAGO | IL |
| QUINCY GAS ELECTRIC AND HEATING COMPANY – GAS PLANT | QUINCY | IL |
| QUINCY SENIOR HIGH SCHOOL – SCHOOL DISTRICT #172 – ADAMS COUNTY | QUINCY | IL |
| QUINCY SENIOR HIGH SCHOOL, SCHOOL DISTRICT #172, ADAMS COUNTY | QUINCY | IL |
| QUINCY SOYBEAN CO | QUINCY | IL |
| R & G SERVICE | LIONS | IL |
| R AND G SERVICES, INC. | LYONS | IL |
| R&G SERVICES | LYONS | IL |
| R. & D. THIEL, INCORPORATED | BELVIDERE | IL |
| R. BACHARA & SON | TINLEY PARK | IL |
| R. COOPER JR. CORPORATION | CHICAGO | IL |
| R. H. BISHOP – SMALL ANIMAL CLINIC | CHAMPLAIGN | IL |
| R. R. DONNELLEY PRINTING OFFICE | DWIGHT | IL |
| R.M.Lucas | Chicago | IL |
| R.O.W. WINDOW COMPANY | ROCKDALE | IL |
| R.R. Donnelley & Sons | CHICAGO | IL |
| R.R. DONNELLEY AND SONS | CHICAGO | IL |
| R.R. DONNELLY & SONS | CHICAGO | IL |
| RADIANT INTERNATIONAL INC | KANKAKEE | IL |
| RAILWAY TERMINAL WAREHOUSE – WEST GRAND AVENUE | CHICAGO | IL |
| RAINEY HARPER COLLEGE – BUILDING 6 | PALATINE | IL |
| RALEIGH GRADE SCHOOL | HARRISBURG | IL |
| RALSTON PURINA CO | BLOOMINGTON | IL |
| RAMADA INN | PEORIA | IL |
| RAND HURST SHOPPING | PROSPECT HEIGHT | IL |
| RAND MCNALLY AND COMPANY | CHICAGO | IL |
| RAND-HURST SHOPPING | PROSPECT HEIGHTS | IL |
| Randhurst Shopping Center | Mt. Prospect | IL |
| RANDOLPH TOWERS | CHICAGO | IL |
| RATHBONE, SARD AND COMPANY | AURORA | IL |
| RATHBORNE HAIR & RIDGWAY BOX CO | CHICAGO | IL |
| RAULAND CORP | MELROSE PARK | IL |
| RAULAND CORP – COMPRESSOR ROOM | MELROSE PARK | IL |
| RAVENSWOOD HOSPITAL | CHICAGO | IL |
| Rawlings Corporation | Chicago | IL |
| RAYNOR MFG CO | DIXON | IL |
| RCA | Park Ridge | IL |
| RCKISL ST RCKISL MIL WRK | ROCK ISLAND | IL |
| Reabody Coal Co. | Baldwin | IL |
| REAVIS ELEMENTARY SCHOOL | LANSING | IL |
| Reavis Elementary School, 50th & Drexel | Chicago | IL |
| RECORD INCORRECT – NEEDS DELETING – BOX #4134 | WOOD RIVER | IL |
| Red Fern Corporation HOMCO | Robinson | IL |
| Red River Refining Company | Burnham | IL |
| Red River Refining Company | Chicago | IL |
| Reed Elementary School, 6350 S. Stewart | Chicago | IL |
| Regal China Company | Antioch | IL |
| Regensteiner Colortype Building | Chicago | IL |
| REHABILITATION INSTITUTE OF CHICAGO | CHICAGO | IL |
| REICHHOLD CHEMICAL CO | MORRIS | IL |
| REICHHOLD CHEMICAL CO – ONE MILE WEST OF DRESDEN STA | MORRIS | IL |
| REICHHOLD CHEMICALS, INC. | MORRIS | IL |
| REICHMANN CO | CHICAGO | IL |
| REID MURDOCH AND COMPANY | CHICAGO | IL |
| REILLY TAR | GRANITE CITY | IL |
| Reilly Tar & Chemical Co. | Chicago | IL |
| RELIABLE GALVANIZING CO | CHICAGO | IL |
| RELIABLE PACKING | CHICAGO | IL |
| REPCO ENTERPRISES | RICHMOND | IL |
| Republic Aluminum | Chicago | IL |
| REPUBLIC IRON AND STEEL COMPANY | EAST ST. LOUIS | IL |
| REPUBLIC IRON AND STEEL COMPANY | CHICAGO | IL |
| REPUBLIC IRON AND STEEL COMPANY, PLANT | MOLINE | IL |
| Republic Plastics Corp. | Georgetown | IL |
| Republic Steel | Chicago | IL |
| Republic Steel | Roxana | IL |
| Republic Steel Co | Chicago | IL |
| REPUBLIC STEEL CORP | CHICAGO | IL |
| Republic Steel Corp | South Chicago | IL |
| REPUBLIC STEEL CORP – SOUTH CHICAGO WORKS | CHICAGO | IL |
| REPUBLIC STEEL CORP. | CHICAGO | IL |
| Republic Steel Corporation | Chicago | IL |
| REPUBLIC STEEL CORPORATION | SOUTH CHICAGO | IL |
| Republic Steel/LTV | Chicago | IL |
| RESIDENCE HALLS #35 TO 39 | CARBONDALE | IL |
| Residence, 414 Woodland Dr., Hillmore | Barrington | IL |
| Resinoid Engineering Corp. | Skokie | IL |
| Resinoid Engineering Corp. | Chicago | IL |
| RESURRECTION HOSPITAL | CHICAGO | IL |
| Retarded Children’s Center | Park Forest | IL |
| REV. JOHN A. DOWIE | ZION | IL |
| Rever Copper and Brass | Chicago | IL |
| REVERE COPPER & BRASS | CLINTON | IL |
| REVERE COPPER & BRASS CO | CLINTON | IL |
| REVERE COPPER & GLASS CO | CLINTON | IL |
| REVERE COPPER AND BRASS | CHICAGO | IL |
| REVERE COPPER AND BRASS | CLINTON | IL |
| REVERE COPPER AND BRASS C | CHICAGO | IL |
| REVERE COPPER AND BRASS COMPANY | CHICAGO | IL |
| REVERE COPPER AND BRASS, INCORPORATED | CHICAGO | IL |
| REX CHAINBELT INC. | DOWNERS GROVE | IL |
| REXALL CHEMICAL CO | CHANNAHON | IL |
| REXENE POLYMERS DIVISION OF DART INDUSTRIES | JOLIET | IL |
| REXNORD | DOLTON | IL |
| Reynolds Aluminum | Mccook | IL |
| Reynolds Aluminum | Chicago | IL |
| REYNOLDS ALUMINUM COMPANY | MCCOOK | IL |
| REYNOLDS METAL | MCCOOK | IL |
| Reynolds Metal Co. | Chicago | IL |
| REYNOLDS METAL COMPANY | MCCOOK | IL |
| Reynolds Metals | McCook | IL |
| REYNOLDS METALS | BROOKFIELD | IL |
| REYNOLDS METALS CO | MC COOK | IL |
| REYNOLDS METALS CO | MCCOOK | IL |
| Reynolds Metals Co. | McCook | IL |
| Reynolds Metals Company | McCook | IL |
| REYNOLDS METALS COMPANY | BROOKFIELD | IL |
| REYNOLDS WIRE COMPANY | DIXON | IL |
| RHEEM MFG. CO | CHICAGO | IL |
| RICE J D BOILER AND TANK CO | CHICAGO | IL |
| RICHARDSON CO | DE KALB | IL |
| Richardson Company | Melrose Park | IL |
| RICHARDSON COMPANY | MELROSE | IL |
| RICHLAND MEMORIAL HOSPITAL | OLNEY | IL |
| RICHTEX INC | CORDOVA | IL |
| RICHWOODS HIGH SCHOOL | PEORIA | IL |
| RIDGE FARM HIGH SCHOOL | RIDGE FARM | IL |
| RIDGELAND P.H. | STICKNEY | IL |
| Ridgeland Power House | Stickney | IL |
| RIDGELAND POWERHOUSE | CHICAGO | IL |
| RIDGELAND POWERHOUSE | STICKNEY | IL |
| Ridgeland Powerhouse Commonwealth Edison | Stickney | IL |
| Riedel Lock and Safe | Waterloo | IL |
| RITSCHEL COAL COMPANY | PEORIA | IL |
| Ritz Carlton Hotel, Water Tower Place | Chicago | IL |
| RIVAL PACKING COMPANY | CHICAGO | IL |
| RIVER CENTER | ROCKFORD | IL |
| RIVER FOREST HIGH SCHOOL | OAK PARK | IL |
| RIVER OAKS SHOPPING CENTER | CALUMET CITY | IL |
| RIVERSIDE HOSPITAL | KANKAKEE | IL |
| ROBERT DICK COAL COMPANY | HERRIN | IL |
| ROBERT GAIR COMPANY | CHICAGO | IL |
| ROBERT IRSAY COMPANY | CHICAGO | IL |
| ROBERT TAYLOR HOMES | CHICAGO | IL |
| ROBERTS AND OAKE | CHICAGO | IL |
| ROBERTS AND SCHAEFER COMPANY | CHICAGO | IL |
| ROBINSON COMMUNITY CENTER – SOUTH LINCOLN STREET | ROBINSON | IL |
| Robinson, Illinois Refinery | Robinson | IL |
| ROC-MIL INC. | LOVES PARK | IL |
| ROCHELLE POWERHOUSE | ROCHELLE | IL |
| ROCHELLE ROSE COMPANY | ROCHELLE | IL |
| ROCK FALLS BOX BOARD COMPANY | ROCK FALLS | IL |
| ROCK ISLAND AND SOUTHERN RAILWAY COMPANY | CAMERON | IL |
| ROCK ISLAND ARSENAL | ROCK ISLAND | IL |
| ROCK ISLAND ARSENAL – BLDG #299 | ROCK ISLAND | IL |
| ROCK ISLAND BREWING COMPANY | ROCK ISLAND | IL |
| ROCK ISLAND COUNTY | MOLINE | IL |
| ROCK ISLAND COUNTY JAIL | ROCK ISLAND | IL |
| ROCK ISLAND LINES | CHICAGO | IL |
| ROCK ISLAND LINES | SILVIS | IL |
| ROCK ISLAND MILL WORKS | ROCK ISLAND | IL |
| ROCK ISLAND MILLWORK COMPANY | ROCK ISLAND | IL |
| ROCK ISLAND PLATING | ROCK ISLAND | IL |
| ROCK ISLAND RAILROAD CO | CHICAGO | IL |
| ROCK ISLAND READY MIX | ROCK ISLAND | IL |
| ROCK ISLAND SASH AND DOOR WORKS | ROCK ISLAND | IL |
| ROCK ISLAND SOUTHERN RAILROAD COMPANY | MONMOUTH | IL |
| ROCK ISLAND SOUTHERN RAILWAY COMPANY | MONMOUTH | IL |
| Rock O La | Chicago | IL |
| ROCKDALE WORKS | JOLIET | IL |
| ROCKFORD BRASS WORKS | ROCKFORD | IL |
| ROCKFORD CABINET COMPANY | ROCKFORD | IL |
| ROCKFORD CHEMICAL CO | ROCKFORD | IL |
| ROCKFORD CLUTCH | ROCKFORD | IL |
| ROCKFORD COLLEGE, FINE ARTS COMPLEX | ROCKFORD | IL |
| Rockford College, Jewett Laboratories | Rockford | IL |
| Rockford Drop Forge Co | Rockford | IL |
| ROCKFORD DROP FORGE COMPANY | ROCKFORD | IL |
| Rockford Electric Co | Rockford | IL |
| Rockford Fire Department | Rockford | IL |
| ROCKFORD GAS LIGHT AND COKE COMPANY – MANUFACTURED GAS PLANT | ROCKFORD | IL |
| ROCKFORD GRAPE SUGAR COMPANY | ROCKFORD | IL |
| ROCKFORD HEAT TREATERS | ROCKFORD | IL |
| ROCKFORD MACHINE | ROCKFORD | IL |
| ROCKFORD MALLEABLE IRON WORKS | ROCKFORD | IL |
| ROCKFORD MEMORIAL | ROCKFORD | IL |
| ROCKFORD MEMORIAL HOSPITAL | ROCKFORD | IL |
| ROCKFORD PAINT COMPANY | ROCKFORD | IL |
| Rockford Paper B.B. Company | IL | |
| ROCKFORD PAPER BOX BOARD COMPANY | ROCKFORD | IL |
| ROCKFORD PRODUCTS CORP | ROCKFORD | IL |
| Rockford Sanitary District | Rockford | IL |
| ROCKFORD SCREW | ROCKFORD | IL |
| ROCKFORD SUGAR WORKS | ROCKFORD | IL |
| Rockford Theatre | Rockford | IL |
| ROCKOLA D C & M E | CHICAGO | IL |
| ROCKWELL GARDENS APARTMENTS – 212 SOUTH CAMPBELL AVENUE | CHICAGO | IL |
| ROCKWELL MANUFACTURING COMPANY | FREEPORT | IL |
| Rogers Supply Co | Chicago | IL |
| ROLLING MILL | PULLMAN | IL |
| Romeoville Powerhouse | Romeoville | IL |
| RONTHOR REISS CORPORATION | CHICAGO | IL |
| Roosevelt Elementary School | Moline | IL |
| ROOSEVELT OIL & REFINERY | MT. PLEASANT | IL |
| ROOT ST. COACH YARD | CHICAGO | IL |
| ROQUETTE AMERICA INCORPORATED | GURNEE | IL |
| ROSCOE OVERALL COMPANY | CHICAGO | IL |
| ROSCOE OVERALL LAUNDRY | CHICAGO | IL |
| ROSCOE OVERALL SERVICE | CHICAGO | IL |
| ROSCOE OVERALL SERVICE, INCORPORATED | CHICAGO | IL |
| ROSENTHAL BLOCK | CHICAGO | IL |
| ROSICLARE LEAD AND FLUORSPAR MINES | ROSICLARE | IL |
| ROSICLARE LEAD AND FLUORSPAR MINES | SHAWNEETOWN | IL |
| ROSICLARE LEAD AND FLUORSPAR MINING COMPANY | ROSICLARE | IL |
| ROSS & SONS COMPANY | CHICAGO | IL |
| ROTH RUBBER COMPANY | CICERO | IL |
| Rothchilds Department Store | Chicago | IL |
| ROTO-ROOTER SEWER CLEANIN | ROCKFORD | IL |
| ROUND LAKE COMMUNITY HIGH SCHOOL | ROUND LAKE | IL |
| ROWLAND & SONS INC | RUSHVILLE | IL |
| ROXANA MACHINE WORKS | SOUTH ROXANA | IL |
| ROXANA PETROLEUM CORPORATION | ROXANA | IL |
| ROXANA PETROLEUM CORPORATION (Shell Oil) | WOOD RIVER / ROXANNA | IL |
| ROYAL NEIGHBORS OF AMERICA | ROCK ISLAND | IL |
| ROYAN SHIP | CHICAGO | IL |
| RUBBER PRODUCTS INC – CANALPORT AVENUE | CHICAGO | IL |
| RUBBER REGERERATING COMPANY | CHICAGO | IL |
| RUBEROID | JOLIET | IL |
| RUDOLPH WURLITZER COMPANY | DEKALB | IL |
| RUEHL BROTHERS BREWING COMPANY | CHICAGO | IL |
| RUMA CONVENT | RUMA | IL |
| RURIE COMPANY | CHICAGO | IL |
| Rush North Shore Medical Center | Skokie | IL |
| Rush, Presbyterian Hospital | Chicago | IL |
| RUSSELL BURDSALL & WARD | ROCK FALLS | IL |
| RUSSELL MILLER MILLING COMPANY, STANDARD TILTON DIVISION | ALTON | IL |
| RUSSELL, BURDSALL AND WARD BOLT AND NUT COMPANY | ROCK FALLS | IL |
| Rust Company, Inc. | Belleville | IL |
| RUUD MANUFACTURING CO. | CHICAGO | IL |
| RYERSON SCHOOL ENGR | CHICAGO | IL |
| Ryerson Steel | Chicago | IL |
| RYSDON PRODS. CO. | CHICAGO | IL |
| S AND W INDUSTRIES | PEORIA | IL |
| S M WILSON | GRANITE CITY | IL |
| S&C ELECTRIC | CHICAGO | IL |
| S&W MANUFACTURING COMPANY | EAST MOLINE | IL |
| S&W MANUFACTURING COMPANY | RIVERDALE | IL |
| S. J. REYNOLDS CO – POWER HOUSE | CHICAGO | IL |
| S. KARPEN AND BROTHERS | CHICAGO | IL |
| S. LA SALLE BUILDING | CHICAGO | IL |
| S.B. WILKINS COMPANY | ROCKFORD | IL |
| S.J. Hammerman Residence | Glencoe | IL |
| S.S. GIRDLER | CHICAGO | IL |
| S.S. JOSEPH S. YOUNG | CHICAGO | IL |
| S.S. NORMACPINE | CHICAGO | IL |
| SACONY VACUUM | SAUGET | IL |
| Sadar Elementary School | IL | |
| Sagar Coal | Blue Island | IL |
| SAHARA COAL | HARRISBURG | IL |
| SAHARA COAL CO | HARRISBURG | IL |
| Sahara Coal Company | Saline County | IL |
| SAHARA COAL. | SALINE CTY. | IL |
| SAINT ANN`S HOSPITAL | CHICAGO | IL |
| SAINT CLAIR COUNTY COURTHOUSE | BELLEVILLE | IL |
| SAINT ELIZABETH HOSPITAL | BELLEVILLE | IL |
| SAINT ELIZABETH`S HOSPITAL | GRANITE CITY | IL |
| SAINT JOHN`S HOSPITAL | SPRINGFIELD | IL |
| SAINT LUKE`S PRESBYTERIAN CHURCH | CHICAGO | IL |
| SAINT MARGARET MARY`S CHURCH | GRANITE CITY | IL |
| SAINT MARTIN CHURCH | WASHINGTON | IL |
| Samuel Shapiro Development Center | Kankakee | IL |
| SANDBERG MANUFACTURING | CHICAGO | IL |
| SANDBERG VILLAGE APARTMENTS | CHICAGO | IL |
| SANDUSKY CEMENT COMPANY | DIXON | IL |
| SANDUSKY PORTLAND CEMENT COMPANY | DIXON | IL |
| SANDWICH MANUFACTURING COMPANY | SANDWICH | IL |
| SANGAMO ELECTRIC CO | SPRINGFIELD | IL |
| Sangamo Electric Company | Marion | IL |
| Sangamon Electric Plant | Marion | IL |
| Sanitary District of Chicago | Chicago | IL |
| Sanitary District of Chicago | West Chester | IL |
| SANITARY DISTRICT OF CHICAGO | STICKNEY | IL |
| SANTA FE RAILROAD SITES | SAVANNA | IL |
| SANTA FE RAILROAD SITES | ST. LOUIS | IL |
| SANTA FE RAILROAD SITES | CHICAGO | IL |
| Saraha Coal Company | Saline County | IL |
| SARGENT & LUNDY | DIXON | IL |
| SARGENT AND LUNDY | CORDOVA | IL |
| Sargent-Welch Scientific Co | Skokie | IL |
| SAVANNA ORDNANCE | SAVANNA | IL |
| SAVANNA ORDNANCE DEPOT | SAVANNA | IL |
| SAWYER BISCUIT COMPANY | MELROSE PARK | IL |
| SC Yingling Oil Company | Robinson | IL |
| Scandroli-Arnold Apartments | Rockford | IL |
| SCHAUMBURG HIGH SCHOOL | SCHAUMBURG | IL |
| SCHAWK GRAPHICS | CHICAGO | IL |
| SCHLESINGER AND MAYER BUILDING | CHICAGO | IL |
| SCHLINK EUGENE T & SON | PEORIA | IL |
| SCHMAUSS COMPANY | ROCKFORD | IL |
| SCHNEIBLE COMPANY | CHICAGO | IL |
| SCHOLL MANUFACTURING COMPANY | CHICAGO | IL |
| Schuck Apartments | Collinsville | IL |
| SCHUDEL BROTHERS LAUNDRY AND CLEANING COMPANY | DECATUR | IL |
| SCHUDELS MODEL LAUNDRY | DECATUR | IL |
| SCHUESSLER KNITTING MILLS | CHICAGO | IL |
| SCHULLER INTERNATIONAL | WAUKEGAN | IL |
| SCHUMANN PIANO COMPANY | ROCKFORD | IL |
| SCHUTTER CANDY CO | CHICAGO | IL |
| SCHUTTER CANDY COMPANY | CHICAGO | IL |
| SCHUTTER CANDY, DIVISION OF UNIVERSAL MATCH CORPORATION | CHICAGO | IL |
| SCHWARZCHILD AND SULZBERGER COMPANY | CHICAGO | IL |
| Schwinn Bicycle Factory | Chicago | IL |
| Scott Air Force Base | Belleville | IL |
| SCOTT COUNTY DRAINAGE AND LEVEE DISTRICT | MEREDOSIA | IL |
| SCOTT COUNTY DRAINAGE AND LEVEE DISTRICT | WINCHESTER | IL |
| SCOTT FORSMAN & CO | GLENVIEW | IL |
| SCOTT STREET WORKS | JOLIET | IL |
| SCOTTISH AMER DIST LIMITED | PEORIA | IL |
| SCULLY STEEL AND IRON COMPANY | CHICAGO | IL |
| SEA WALL | EAST SAINT LOUIS | IL |
| SEAGRAMS | LAWRENEBURG | IL |
| SEALTEST FOODS | PEORIA | IL |
| SEARLE CHEMICALS, INCORPORATED | CHICAGO | IL |
| Searle Research & Manufacturing Laboratories | Skokie | IL |
| SEARS & ROEBUCK | ALTON | IL |
| Sears Tower | Chicago | IL |
| SEARS TOWER – SOUTH WACKER DRIVE | CHICAGO | IL |
| Sears, Roebuck | Chicago | IL |
| Sears, Roebuck & Company, 5555 S. Archer Ave. | Chicago | IL |
| SEARS, ROEBUCK AND COMPANY | CHICAGO | IL |
| SECURITY SAVINGS & LOAN | PEORIA | IL |
| SEFTON MANUFACTURING COMPANY | CHICAGO | IL |
| SEHALL MANUFACTURING COMPANY | CHICAGO | IL |
| SEMET-SOLVAY COMPANY | WAUKEGAN | IL |
| SEMET-SOLVAY COMPANY | SOLVAY | IL |
| SEMET-SOLVAY COMPANY | SOUTH CHICAGO | IL |
| SEMET-SOLVAY COMPANY | CHICAGO | IL |
| Seneca Petroleum | Lemont | IL |
| Seneca Petroleum | Crestwood | IL |
| Seneca Shipyards | Seneca | IL |
| SENIOR HIGH SCHOOL | GRANITE CITY | IL |
| Senn High School, 5900 N. Glenwood Ave. | Chicago | IL |
| SERVICE REFRACTORIES | PEKIN | IL |
| SERVICE REFRACTORIES CO | PEORIA | IL |
| SERVICE REFRACTORIES CO | ROCK ISLAND | IL |
| SERVUS RUBBER CO | ROCK ISLAND | IL |
| SESSER HIGH SCHOOL | SESSER | IL |
| SESSER, ILL | SESSER | IL |
| SHEA SMITH AND COMPANY | CHICAGO | IL |
| SHEET METAL PRODUCTS | PEORIA | IL |
| SHELBYVILLE WATER COMPANY – WATER WORKS | SHELBYVILLE | IL |
| Shell International Shoe Co. Tannery | Hartford | IL |
| Shell Oil | Wood River | IL |
| SHELL OIL | ROXANA | IL |
| SHELL OIL – WOOD RIVER REFINERY | WOOD RIVER | IL |
| SHELL OIL CO | WOOD RIVER | IL |
| SHELL OIL CO | ROXANA | IL |
| SHELL OIL CO | WOOD RICER | IL |
| Shell Oil Co. | Roxana | IL |
| Shell Oil Co. | Woodriver | IL |
| SHELL OIL COMPANY | EAST ST. LOUIS | IL |
| SHELL OIL COMPANY | ROXANA | IL |
| SHELL OIL COMPANY | WOOD RIVER | IL |
| SHELL OIL COMPANY | WOUD RIVER | IL |
| Shell Oil Company | Roxanna | IL |
| SHELL OIL COMPANY, INCORPORATED | WOOD RIVER | IL |
| Shell Oil Refinery | Roxana | IL |
| SHELL OIL REFINERY | HARTFORD | IL |
| SHELL PETROLEUM CORP. | WOOD RIVER | IL |
| Shell Petroleum Corporation | Roxana | IL |
| SHERATON CHICAGO HOTEL | CHICAGO | IL |
| Sheraton Hotel | Chicago | IL |
| Sherex | Peoria | IL |
| Sheridan Phil Grammar School, 9000 S. Exchange | Chicago | IL |
| SHERMAN HOSPITAL | CHICAGO | IL |
| Sherman Hospital | Elgin | IL |
| SHERMAN HOSPITAL ASSOCIATION | ELGIN | IL |
| SHERMAN MOVE COMPANY – WEST 47TH STREET | CHICAGO | IL |
| SHERWIN WILLIAMS | CHICAGO | IL |
| SHERWIN WILLIAMS – BLDG 17 | CHICAGO | IL |
| SHERWIN WILLIAMS CO | CHICAGO | IL |
| Sherwin Williams Co. | Chicago | IL |
| SHERWIN WILLIAMS COMPANY | Chicago | IL |
| SHERWIN WILLIAMS COMPANY – KENSINGTON & CHAMPLAIN | CHICAGO | IL |
| SHERWIN WILLIAMS PAINT | CHICAGO | IL |
| SHERWIN WILLIAMS PAINT – BLDG 891 | CHICAGO | IL |
| Sherwin-Williams | Chicago | IL |
| SHERWIN-WILLIAMS COMPANY | CHICAGO | IL |
| SHERWIN-WILLIAMS COMPANY | KENSINGTON | IL |
| SHIELD WARE INC. | BELVIDERE | IL |
| SHOOLNER AND COMPANY | PEORIA | IL |
| SHORE LINE TOWERS | CHICAGO | IL |
| SHORT MILLING | KANKAKEE | IL |
| Shot Shell Facility – Firing Range | East Akron | IL |
| SHOTWELL MANUFACTURING COMPANY | CHICAGO | IL |
| SHURE BROTHERS INC. | EVANSTON | IL |
| SID HARVEY CENTRAL SUPPLY | LOMBARD | IL |
| SIEMENS & HALSKE ELECTRIC COMPANY – MANUFACTURING PLANT | CHICAGO | IL |
| SIEUREUS AND HALSKI ELEC COMPANY | CHICAGO | IL |
| SILVER SKILLET FOOD | SKOKIE | IL |
| SILVER ST TEAM TRACK | EAST PEORIA | IL |
| SIMONDS MANUFACTURING COMPANY | CHICAGO | IL |
| SIMPSON POWELSON LUMBER | STERLING | IL |
| SINCLAIR OIL LAB | HARVEY | IL |
| SINCLAIR OIL REFINERY | EAST SAINT LOUIS | IL |
| SINCLAIR OIL REFINERY | WOOD RIVER | IL |
| Sinclair Oil Refinery | Hartford | IL |
| SINCLAIR OIL REFINERY – POWERHOUSE | EAST CHICAGO | IL |
| Sinclair Refining Co. | Hartford | IL |
| SINCLAIR REFINING COMPANY | HARVEY | IL |
| SINCLAIR REFINING COMPANY, PIPELINE DIVISION | DAHINDA | IL |
| SINCLAIR REFINING COMPANY, PIPELINE DIVISION | KERNAN | IL |
| SINGER MANUFACTURING COMPANY | CAIRO | IL |
| SINNER BROTHERS | CHICAGO | IL |
| SINNER BROTHERS | ROGERS PARK | IL |
| SIOUX CITY ENG. WORKS | MOLINE | IL |
| SIPI METALS COMPANY | CHICAGO | IL |
| SISTERS OF CHRISTIAN CHARITY – RIDGE ROAD | WILMETTE | IL |
| Skandia | Rockford | IL |
| SKANDIA CO. | ROCKFORD | IL |
| SKIL CORP | BERKLEY | IL |
| SKIL CORP | CHICAGO | IL |
| SKOKIE VALLEY ASPHALT COMPANY | WAUKEGAN | IL |
| SKOKIE VALLEY COMMUNITY HOSPITAL | SKOKIE | IL |
| Skolic Packaging Co. | East St. Louis | IL |
| SLIDE RULE & SCALE ENGINEERING COMPANY | MOUNT OLIVE | IL |
| SMEETHS COPPER AND BRONZE COMPANY | CHICAGO | IL |
| SMITH AND BARNES PIANO COMPANY | CHICAGO | IL |
| SMITH AND COMPANY | CHAMPAIGN | IL |
| Smith Form A Truck Co | Chicago | IL |
| SMURFIT-STONE | CHICAGO | IL |
| SNGER MANUFACTURING COMPANY | CAIRO | IL |
| SOCONY MOBIL OIL COMPANY | EAST CHICAGO | IL |
| Socony Vacuum | Sauget | IL |
| Socony Vacuum Oil Company | East St. Louis | IL |
| SOCONY VACUUM OIL COMPANY | ST. LOUIS | IL |
| SOCONY-VACUUM OIL COMPANY | CHICAGO | IL |
| SOCONY-VACUUM OIL COMPANY | EAST ST. LOUIS | IL |
| Sohio Pipe Line Company | Stoy | IL |
| SOKOL HALL | CHICAGO | IL |
| SOLOMON TERRY | CAIRO | IL |
| SOOLINE RAILROAD SHOPS | NOT PROVIDED | IL |
| SOUTH CHICAGO CITY RAILWAY | SOUTH CHICAGO | IL |
| SOUTH CHICAGO CITY RAILWAY | ST. CHICAGO | IL |
| SOUTH CHICAGO CITY RAILWAY COMPANY | CHICAGO | IL |
| SOUTH CHICAGO COMMUNITY HOSPITAL | CHICAGO | IL |
| SOUTH CHICAGO FURANCE COMPANY | SOUTH CHICAGO | IL |
| SOUTH CHICAGO FURNACE COMPANY | CHICAGO | IL |
| SOUTH CHICAGO FURNACE COMPANY | SOUTH CHICAGO | IL |
| SOUTH CHICAGO FURNACE COMPANY | IRONDALE | IL |
| SOUTH CHICAGO WORKS | CHICAGO | IL |
| SOUTH CHICAGO WORKS, DEFENSE PLANT CORPORATION | SOUTH CHICAGO | IL |
| SOUTH HOLLAND NURSING HOME – 159TH STREET AND WABASH AVENUE | SOUTH HOLLAND | IL |
| SOUTH ILLINOIS POWER COOPERATIVE | MARION | IL |
| SOUTH ILLINOIS POWER PLANT, UNIT 4 | MARION | IL |
| SOUTH LASALLE BUILDING CORPORATION | CHICAGO | IL |
| SOUTH SHORE HOSPITAL | CHICAGO | IL |
| South Shore North High School, 7529 S. Constance | Chicago | IL |
| SOUTH SIDE ELEVATED RAILROAD COMPANY | CHICAGO | IL |
| SOUTH SIDE LAUNDRY COMPANY | CHICAGO | IL |
| SOUTH SUBURBAN HOSPITAL | HAZEL CREST | IL |
| SOUTH WORKS | CHICAGO | IL |
| SOUTHEAST HIGH SCHOOL | SPRINGFIELD | IL |
| SOUTHERN CLAY | OLMSTED | IL |
| SOUTHERN CLAY* | OLMSTED | IL |
| SOUTHERN COTTON OIL | CHICAGO | IL |
| SOUTHERN GEM COAL CORPORATION | SESSER | IL |
| SOUTHERN IL UNIVERSITY | CARBONDALE | IL |
| SOUTHERN ILLINOIS GAS COMPANY – POWER PLANT | MURPHYSBORO | IL |
| SOUTHERN ILLINOIS LIGHT AND POWER COMPANY | HILLSBORO | IL |
| SOUTHERN ILLINOIS LIGHT AND POWER COMPANY | COLLINSVILLE | IL |
| SOUTHERN ILLINOIS NATIONAL BANK | FAIRVIEW HEIGHTS | IL |
| SOUTHERN ILLINOIS POWER COOPERATIVE | MARION | IL |
| SOUTHERN ILLINOIS POWER COOPERATIVE, INCORPORATED | MARION | IL |
| SOUTHERN ILLINOIS POWER CORPORATION | MARION | IL |
| SOUTHERN ILLINOIS UNIVERS | CARBONDALE | IL |
| SOUTHERN ILLINOIS UNIVERSITY – EDUCATION BUILDING | CARBONDALE | IL |
| SOUTHERN ILLINOIS UNIVERSITY – LOVEJOY LIBRARY | EDWARDSVILLE | IL |
| SOUTHERN ILLINOIS UNIVERSITY – UNIVERSITY PARK RESIDENT HALLS | CARBONDALE | IL |
| SOUTHERN INDIANA RAILWAY COMPANY | CHICAGO | IL |
| SOUTHERN INDUSTRIAL INSUL. CO. | MARION | IL |
| Southern Mfg. Co. | Miami | IL |
| SOUTHWEST INCINERATOR PLANT | CHICAGO | IL |
| SOUTHWESTERN ILLINOIS COA | PERCY | IL |
| Southwestern Illinois Coal | Percy | IL |
| Southwestern Illinois Coal | Steelville | IL |
| SOVEREIGN HOTEL | CHICAGO | IL |
| SPACE CENTER | KANKAKEE | IL |
| Space Mark, Incorporated | Decatur | IL |
| SPANKS MILLING COMPANY | ALTON | IL |
| SPARTAN ALUMINUM PRODUCTS, INC. | SPARTA | IL |
| SPARTAN PRINTING & PUBLISHING CO. | SPARTA | IL |
| SPAULDING HIGH SCHOOL | CHICAGO | IL |
| SPECIFIED PLATING COMPANY | CHICAGO | IL |
| SPECTRULITE CONSORTIUM INCORPORATED | MADISON | IL |
| SPEED QUEEN CORPORATION | ALGONQUIN | IL |
| SPENCER KELLOGG & SONS | DECATUR | IL |
| SPENCER KELLOGG & SONS, INCORPORATED | CHICAGO | IL |
| Spencer Kellogg Plant | Decatur | IL |
| SPORTSMEN GOLF INC. | MELROSE PARK | IL |
| SPRING LAKE DRAINAGE LEVEE DISTRICT | TAZEWELL COUNTY | IL |
| SPRINGFIELD AND PEORIA RAILROAD COMPANY | PEORIA | IL |
| SPRINGFIELD AVE PUMPING | S CHICAGO | IL |
| SPRINGFIELD CITY WATER, LIGHT AND POWER – DALLMAN STATION | SPRINGFIELD | IL |
| SPRINGFIELD ELECTRIC LIGHT AND POWER COMPANY – POWER PLANT | SPRINGFIELD | IL |
| SPRINGFIELD GAS AND ELECTRIC COMPANY – POWER PLANT | SPRINGFIELD | IL |
| SPRINGFIELD LIGHT HEAT AND POWER COMPANY | SPRINGFIELD | IL |
| SPRINGFIELD POWERHOUSE | SPRINGFIELD | IL |
| Springfield Sanitary District | Springfield | IL |
| Springhan Sons Corp | Peoria | IL |
| SPRINGSIDE COAL MINING COMPANY | PANA | IL |
| SPRINKMAN & SONS | PEORIA | IL |
| SPRINKMAN SONS CORP | PEORIA | IL |
| SPRINKMAN SONS CORP OF I | PEORIA | IL |
| Sprinkman Sons Corporation | Baldwin | IL |
| Sprinkman Sons Corporation | Peoria | IL |
| Sprinkman Sons Of Illinois | Peoria | IL |
| SPRINKMANN & SONS CORPORATION OF ILLINOIS | PEORIA | IL |
| SPRINKMANN SONS | PEORIA | IL |
| SPRINKMANN SONS CORP | PEORIA | IL |
| SPRINKMANN SONS CORP OF I | PEORIA | IL |
| ST ELIZABETH HOSPITAL | GRANITE CITY | IL |
| ST FRANCIS HOSPITAL | LITCHFIELD | IL |
| St Louis Blow Pipe & Heater | Norris City | IL |
| ST M. BYLLESLEY COMPANY, ENGINEERS | CHICAGO | IL |
| ST. ANDREWS HOME | NILES | IL |
| St. Andrews Old People’s Home | Niles | IL |
| ST. ANNES HOSPITAL | CHICAGO | IL |
| ST. ANTHONY’S CARE | ROCK ISLAND | IL |
| ST. ANTHONY’S HOSPITAL | ROCK ISLAND | IL |
| ST. ANTHONY’S HOSPITAL | ALTON | IL |
| St. Bedes Gymnasium | Peru | IL |
| ST. BERNARD HOSPITAL | CHICAGO | IL |
| St. Boniface Catholic Church | Peoria | IL |
| ST. CHARLES CONDENSING COMPANY | CHEMUNG | IL |
| ST. CHARLES COUNTRY CLUB | ST. CHARLES | IL |
| ST. CHARLES SCHOOL | ST. CHARLES | IL |
| ST. CHARLES SCHOOL FOR BOYS | ST. CHARLES | IL |
| ST. CLAIR COUNTY GAS AND ELECTRIC COMPANY – MANUFACTURED GAS PLANT | EAST ST. LOUIS | IL |
| ST. CLAIR COUNTY GAS AND ELECTRIC COMPANY – STEAM PLANT | BELLEVILLE | IL |
| ST. CLAIR SQUARE – J.C. PENNEY | EAST ST. LOUIS / FAIRVIEW HEIGHTS | IL |
| ST. CLAIR SQUARE MALL – FAMOUS BARR DEPARTMENT STORE | FAIRVIEW HEIGHTS | IL |
| St. Clements Hospital | Red Bud | IL |
| ST. ELIZABETH HOSPITAL | GRANITE CITY | IL |
| ST. ELIZABETH’S HOSPITAL | BELLEVILLE | IL |
| ST. ELIZABETH’S HOSPITAL | DANVILLE | IL |
| St. Elizabeths Hospital | Belleville | IL |
| St. Elizabeths Hospital | Granite City | IL |
| ST. FRANCIS HOSPITAL | BLUE ISLAND | IL |
| ST. FRANCIS HOSPITAL | EVANSTON | IL |
| St. Francis Infirmary | Joliet | IL |
| ST. GEORGE HIGH SCHOOL | EVANSTON | IL |
| St. Habinas Church | IL | |
| ST. IGNATIUS HIGH SCHOOL | CHICAGO | IL |
| ST. JAMES HOSPI | CHICAGO HEIGHTS | IL |
| ST. JAMES HOSPITAL | CHICAGO HEIGHTS | IL |
| ST. JOHN’S HOSPITAL | SPRINGFIELD | IL |
| St. Johns Hospital | Springfield | IL |
| ST. JOSEPH CHURCH – SOUTH SEVENTH STREET | PEKIN | IL |
| ST. JOSEPH HOSPITAL | CHICAGO | IL |
| ST. JOSEPH HOSPITAL – BLDG 17 | CHICAGO | IL |
| ST. JOSEPH MERCY HOSPITAL | AURORA | IL |
| ST. JOSEPH’S HOSPITAL | CHICAGO | IL |
| ST. JOSEPH’S HOSPITAL BREESE – HOLY CROSS LANE | BREESE | IL |
| ST. LOUIS CATHOLIC CHURCH – WOOD FRAME RECTORY | PRINCETON | IL |
| St. Louis Independent Pacing Company | Chicago | IL |
| ST. LOUIS SMELTING AND REFINING COMPANY | COLLINSVILLE | IL |
| ST. MARY OF NAZARETH HOSPITAL | CHICAGO | IL |
| ST. MARY OF THE LAKE SEMINARY | MUNDELEIN | IL |
| ST. MARY OF THE WOODS SCHOOL | CHICAGO | IL |
| St. Mary’s Church | Pontiac | IL |
| ST. MARY’S HOSPITAL | CENTRALIA | IL |
| ST. MARY’S MISSION HOUSE | TECHNY | IL |
| ST. MARY’S MISSION SCHOOL – SHOP BUILDING | TECHNY | IL |
| ST. MARY’S SCHOOL | DES PLAINES | IL |
| ST. MARY’S TRAINING SCHOOL | DES PLAINES | IL |
| ST. MARYS | MUNDELIEN | IL |
| ST. MARYS ACADEMY OF BENEDICTINE SISTERS | NAUVOO | IL |
| ST. MIL’S HIGH SCHOOL | CHICAGO | IL |
| St. Patrick’s Church | Rockford | IL |
| ST. PROCOPIUS ABBEY | LISLE | IL |
| St. Raphael School | Naperville | IL |
| ST. REGIS PAPER – WOOD TREATMENT PLANT | BRIDGEVIEW | IL |
| St. Theresa’s Church | Belleville | IL |
| ST. THERESE HOSPITAL | WAUKEGAN | IL |
| ST. THERESE MEDICAL CENTER | WAUKEGAN | IL |
| ST. THOMAS CATHOLIC CHURCH | CAMP POINT | IL |
| Stagg Elementary School, 7434 S. Morgan | Chicago | IL |
| STAINLESS PROCESSING CO | CHICAGO | IL |
| STALEY | DECATUR | IL |
| STALEY A F MFG CO | DECATUR | IL |
| STALEY A. E. | DECATUR | IL |
| STALEY MFG CO | DECATUR | IL |
| STALEYS | DECATUR | IL |
| Stampings Inc | Rock Island | IL |
| Stanadyne Corp | Bellwood | IL |
| STANDARD OIL | CHICAGO | IL |
| STANDARD ASBESTOS | CHICAGO | IL |
| Standard Asbestos Mfg. Co. | Chicago | IL |
| STANDARD BOILER & TANK | CHICAGO | IL |
| STANDARD BRANDS INC | PEKIN | IL |
| STANDARD BRANDS, INCORPORATED, CURTISS CANDY DIVISION | FRANKLIN PARK | IL |
| STANDARD BRANDS, INCORPORATED, FLEISCHMANN MANUFACTURING DIVISION | PEKIN | IL |
| STANDARD DISTILLING AND DISTRIBUTING COMPANY | PEORIA | IL |
| STANDARD DISTILLING AND DISTRIBUTING COMPANY, GLOBE DISTILLERY | PEKIN | IL |
| STANDARD FORGING | EAST CHICAGO | IL |
| STANDARD HATCHERIES – SOUTH MOFFET STREET | DECATUR | IL |
| Standard Heat Treating Co. | Lyons | IL |
| STANDARD LIME & CEMENT | MCCOOK | IL |
| Standard Metal Company | Chicago | IL |
| STANDARD OFFICE COMPANY | CHICAGO | IL |
| Standard Oil | Naperville | IL |
| STANDARD OIL | WOOD RIVER | IL |
| STANDARD OIL BUILDING | CHICAGO | IL |
| STANDARD OIL BUILDING – EAST RANDOLPH STREET | CHICAGO | IL |
| Standard Oil Company | Wood River | IL |
| STANDARD OIL COMPANY | CHICAGO | IL |
| STANDARD OIL COMPANY OF INDIANA | CHICAGO | IL |
| STANDARD OIL COMPANY OF INDIANA | WOOD RIVER | IL |
| Standard Oil Refinery | East Alton | IL |
| STANDARD OIL RESEARCH CENTER | NAPERVILLE | IL |
| Standard Paint Co | Chicago | IL |
| Standard Paint Co. | Joliet | IL |
| STANDARD PAINT COMPANY | NORTH JOLIET | IL |
| STANDARD PAVING | CHICAGO | IL |
| STANDARD RATE & DATA | CHICAGO | IL |
| STANDARD SILICA SAND COMPANY | OTTAWA | IL |
| STANLEY CARTER CORP. | DECATUR | IL |
| Stanolind Pipe Line Co. | Laura | IL |
| Stanolind Pipe Line Company | East Fort Madison | IL |
| STANTON PARK – BLDG 17 | CHICAGO | IL |
| STAR ENTERPRISES INC | OLMESTED | IL |
| STAR ENTERPRISES INC | OLMSTED | IL |
| STAR MANUFACTURING COMPANY | CARPENTERSVILLE | IL |
| STAR UNION PRODUCTS CO | PERU | IL |
| STATE BAR BUILDING | SPRINGFIELD | IL |
| STATE CAPITAL BUILDING | SPRINGFIELD | IL |
| State Farm Building | Bloomington | IL |
| State Farm Corporate headquarters | Bloomington | IL |
| State Farm Insurance | Bloomington | IL |
| State Hospital | Anna | IL |
| State Hospital | Alton | IL |
| STATE LINE ENERGY | CHICAGO | IL |
| State of IL Dairy Barn | IL | |
| STATE OF ILLINOIS | LINCOLN | IL |
| STATE OF ILLINOIS MENTAL HOSPITAL | CHICAGO | IL |
| Stateline Powerhouse, Commonwealth Edison | Chicago | IL |
| Stateville Prison | Joliet | IL |
| STAUFFER CHEMCIAL CO. | CHICAGO HGHTS. | IL |
| Stauffer Chemical | Chicago Heights | IL |
| STAUFFER CHEMICAL | CHICAGO | IL |
| STAUFFER CHEMICAL CO | JOLIET | IL |
| STAUFFER CHEMICAL CO. – BLDG 17 | CHICAGO | IL |
| STAUFFER CHEMICAL COMPANY | CHICAGO HGTS | IL |
| Stauffer Chemical Company | Chicago Height | IL |
| STAUFFER CHEMICAL COMPANY | CHICAGO | IL |
| STAUFFER CHEMICAL COMPANY | HAMMOND | IL |
| STAUFFER CHEMICAL COMPANY (a/k/a Victor Chemical Works) | CHICAGO HEIGHTS | IL |
| STAUFFER CHEMICAL COMPANY PLANT | CHICAGO HEIGHTS | IL |
| STEAMER DET. EDISON | CHICAGO | IL |
| STEEL COMPANY | GRANITE CITY | IL |
| STEIN, HIRSH & COMPANY | CHICAGO | IL |
| STEINER CORPORATION (a/k/a American Linen) | CHICAGO | IL |
| STEPAN CHEMICAL COMPANY | ELWOOD | IL |
| STEPAN CHEMICAL COMPANY | NORTHFIELD | IL |
| STEPAN CHEMICAL COMPANY | MILLSDALE | IL |
| STEPHAN CHEMICAL | CHICAGO | IL |
| STEPHAN CHEMICAL COMPANY | MILLSDALE | IL |
| STEPHAN CHEMICAL COMPANY | MILLSDALE, WILL COUNTY | IL |
| STEPHAN GALE SCHOOL | CHICAGO | IL |
| STEPHENS ENGINEERING COMPANY | CHICAGO | IL |
| STEPHENS-ADAMSON | AURORA | IL |
| STEPHENS-ADAMSON MANUFACTURING | AURORA | IL |
| STERLING COMMER. STEEL BALL | STERLING | IL |
| STERLING DIXON & EASTERN RAILWAY | STERLING | IL |
| STERLING MORTON HIGH SCHOOL | CICERO | IL |
| STERLING STEEL CASTING | E ST. LOUIS | IL |
| STERLING STEEL CASTINGS | MONSANTO | IL |
| Sterling Steel Castings Co | Monsanto | IL |
| Steven Building | Chicago | IL |
| STEVENS AND DENEL MANUFACTURING COMPANY | ROCKFORD | IL |
| STEVENS ANNEX | CHICAGO | IL |
| STEVENS HOTEL | CHICAGO | IL |
| STEVENS HOTEL & SERVICE BUILDING | CHICAGO | IL |
| Stewart Warner | Chicago | IL |
| STIELOW BROTHERS | SKOKIE | IL |
| Stockton Elementary School, 4420 N. Beacon St. | Chicago | IL |
| STOKELY VAN CAMP INC | HOOPESTON | IL |
| STONE CONTAINER CORPORATION | CHICAGO | IL |
| STONEBRIDGE PAPER COMPANY | WILMINGTON | IL |
| STONEFORT CORPORATION | WYOMING | IL |
| Store Building | Rockford | IL |
| STRATFORD HOTEL | CHICAGO | IL |
| STREATOR AQUEDUCT COMPANY | STREATOR | IL |
| STREATOR BRICK CO | STREATOR | IL |
| STREATOR BRICK SYSTEMS IN | STREATOR | IL |
| STREATOR CLAY PIPE CO | STREATOR | IL |
| STREATOR RAILWAY COMPANY | STREATOR | IL |
| STROMBECK MANUFACTURING | MOLINE | IL |
| STRUCTO MANUFACTURING COMPANY | FREEPORT | IL |
| STRUCTURAL CLAY PRODUCTS | GENEVA | IL |
| STRUTCO CO | FREEPORT | IL |
| STUDEBAKER BROTHERS MANUFACTURING COMPANY | CHICAGO | IL |
| Studebaker Plant | Chicago | IL |
| SUBURBAN HOME LAUNDRY | PARK RIDGE | IL |
| SUBURBAN RAILROAD COMPANY | RIVERSIDE | IL |
| SUCREST CORPORATION | CHICAGO | IL |
| SULLIVAN MACHINERY COMPANY | CHICAGO | IL |
| SULZBERGER AND SONS COMPANY | CHICAGO | IL |
| SUN CHEMICAL CORP | FRANKLIN PARK | IL |
| SUN ELECTRIC | CHICAGO | IL |
| Sunbeam | Chicago | IL |
| SUNBEAM CORP; PLANT #2, DIE CAST SHOP, ZINC MELT FURNACE | CHICAGO | IL |
| Sunbeam Corporation | Chicago | IL |
| SUNBEAM CORPORATION | CICERO | IL |
| SUNDSTRAND AVIATION | ROCKFORD | IL |
| SUNDSTRAND CORP SUNDSTRAND | ROCKFORD | IL |
| Sunset Ridge Country Club | Northfield | IL |
| SUNSHINE HATCHERIES | CORYDON | IL |
| SUNSTRAND CORP SUNSTRAND | ROCKFORD | IL |
| Sunstrand Corp. | Rockford | IL |
| SUPER POWER COMPANY OF ILLINOIS | POWERTON | IL |
| SUPERINTENDENT OF PUBLIC SERVICE OF COOK COUNTY | CHICAGO | IL |
| SUPERIOR CHEMICAL COMPANY | JOLIET | IL |
| SUPERIOR COAL COMPANY | BENLD | IL |
| SUPERIOR COAL COMPANY | CHICAGO | IL |
| SUPERIOR COAL COMPANY, MINE #2 | BENLD | IL |
| SUPERIOR FOUNDRY CO | E PEORIA | IL |
| Superior Gasket & Packing Co | Chicago | IL |
| SUPERIOR TANNING COMPANY | CHICAGO | IL |
| Supreme Packing Company | Elburn | IL |
| SUPREME WET WASH LAUNDRY | CHICAGO | IL |
| Swartz Products Company | Chicago | IL |
| Swedish American Hospital | Rockford County | IL |
| Swedish American Hospital | Rockford | IL |
| SWEDISH COVENANT HOSPITAL | CHICAGO | IL |
| SWEDISH-AMERICAN HOSPITAL | ROCKFORD | IL |
| SWIFT & CO | CHICAGO | IL |
| Swift & Co,Union Stockyards | Chicago | IL |
| SWIFT & CO. | CHAMPAIGN | IL |
| SWIFT & CO. | CALUMET CITY | IL |
| SWIFT & CO. | NATIONAL STOCK YARDS | IL |
| SWIFT & CO. | ROCHELLE | IL |
| SWIFT & COMPANY | CHAMPAIGN | IL |
| Swift & Company | East St. Louis | IL |
| Swift & Company | National Stock Yards | IL |
| Swift & Company | Hinsdale | IL |
| Swift & Company | Champlaign | IL |
| Swift & Company | Bradley | IL |
| SWIFT & COMPANY – AGRI CHEMICAL DIVN | CALUMET CITY | IL |
| SWIFT & COMPANY – AGRICHEM DIVISION | NATIONAL STOCK YARDS | IL |
| SWIFT & COMPANY – BLDG 17 | CHICAGO | IL |
| SWIFT & COMPANY – MACHINE SHOP ENGINE ROOM | ROCHELLE | IL |
| SWIFT & COMPANY – MECH STORE ROOM | ROCHELLE | IL |
| SWIFT & COMPANY – STORE ROOM | NATIONAL STOCK YARDS | IL |
| SWIFT AND COMPANY | BRADLEY | IL |
| SWIFT AND COMPANY | CHICAGO | IL |
| SWIFT AND COMPANY | EAST ST. LOUIS | IL |
| SWIFT AND COMPANY, UNION STOCK YARDS | CHICAGO | IL |
| SWIFT COMPANY | NATIONAL CITY | IL |
| Swift Elementary School, 5900 N. Winthrop | Chicago | IL |
| Swift Independent Packing Company | Chicago | IL |
| Swift Packing | National City | IL |
| SWIFT PACKING COMPANY | NATIONAL CITY | IL |
| Swindell Dressler Co. | Joliet | IL |
| Swindell-Dressler Co. | Decatur | IL |
| SWORD VENEER & LUMBER CO | ROCK ISLAND | IL |
| SWORDS VENEER | ROCK ISLAND | IL |
| SWORDS VENEER & LUMBER CO | ROCK ISLAND | IL |
| SYCAMORE SYSTEMS | SYCAMORE | IL |
| SYN-SOL CORPORATION | CHICAGO | IL |
| SYNTHETIC NATURAL GAS PLANT | ELWOOD | IL |
| T. REISCH AND BROTHERS | SPRINGFIELD | IL |
| T.A. SNIDER PRESERVE COMPANY | MT. CARMEL | IL |
| T.A. SNIDER PRESERVE COMPANY | MADISON | IL |
| T.E. WELLS AND COMPANY | CHICAGO | IL |
| TAKASAGO INTERNATIONAL | UNIVERSITY PARK | IL |
| TAMA | MOLINE | IL |
| TANTALUM COMPANY | NORTH CHICAGO | IL |
| TAPRELL LOOMIS AND COMPANY | CHICAGO | IL |
| Taylor Forge | Chicago | IL |
| TAYLOR FORGE & PIPE WORKS | SKOKIE | IL |
| TAYLOR FORGE AND PIPE WORKS | CHICAGO | IL |
| TAYLOR FORGE AND PIPE WORKS | CICERO | IL |
| Taylor Forge Inc | Chicago | IL |
| TAYLOR INSULATION CO. | MOLINE | IL |
| Taylor Manufacturing | Praire View | IL |
| TAYLOR SPRINGS, ILL | TAYLOR SPRINGS | IL |
| TAYLORVILLE LIGHT HEAT AND POWER COMPANY | TAYLORVILLE | IL |
| TAZEWELL MACHINE WORKS IN | PEKIN | IL |
| TECHNOLOGY CENTER | CHICAGO | IL |
| Tee Pac | Danville | IL |
| TEE PAK INC. | DANVILLE | IL |
| TEE-PAK INCORPORATED | CHICAGO | IL |
| TEE-PAKCORPORATION | CHICAGO | IL |
| TEL-A-SKIN INC. | CHICAGO | IL |
| TELEDYNE INDUSTRIAL DIE CAST | CHICAGO | IL |
| Teletype Corporation | Skokie | IL |
| TEM-TEX | MARENGO | IL |
| TEM-TEX CORPORATION | MARENGO | IL |
| TEMTEK | BARTLETT | IL |
| TEMTEK ALLIED DIV FERROC | BARTLETT | IL |
| TEMTOR CORN AND FRUIT PRODUCTS COMPANY | GRANITE CITY | IL |
| TERMINAL POWER COMPANY | VENICE | IL |
| TERMINAL RAILROAD ASSOCIATION | BROOKLYN | IL |
| TERRY FOODS INCORPORATED | PARK RIDGE | IL |
| TERRY FOODSCORPORATION | PARK RIDGE | IL |
| TETCO METAL PRODUCTS CO | DOLTON | IL |
| TEXACO | LAWRENCEVILLE | IL |
| Texaco | Joliet | IL |
| Texaco Cities Services Pipe Line Co | Heyworth | IL |
| TEXACO INC | LAWRENCEVILLE | IL |
| TEXACO INC | LOCKPORT | IL |
| TEXACO INC. | CHICAGO | IL |
| Texaco Inc. | Lockport | IL |
| TEXACO INC. – BLDG 17 | CHICAGO | IL |
| Texaco Inc. Refinery | Lockport | IL |
| TEXACO INCORPORATED | LAWRENCEVILLE | IL |
| Texaco Incorporated Texas, Company Refinery | Lawrenceville | IL |
| Texaco Incorporated, Texas Company Refinery | Lockport | IL |
| Texaco Incorporated, Texas Company Refinery | Lemont | IL |
| TEXACO OIL | LAWRENCEVILLE | IL |
| TEXACO OIL | LOCKPORT | IL |
| TEXACO OIL REFINERY | LOCKPORT | IL |
| Texaco Oil Refinery | Lawrenceville | IL |
| Texaco Refinery | Lawrenceville | IL |
| Texaco Refinery | Lockport | IL |
| Texaco Refinery | Lawrence | IL |
| TEXACO, INC. | SALEM | IL |
| TEXACO, INCORPORATED | LOCKPORT | IL |
| TEXACO, INCORPORATED | LAWRENCEVILLE | IL |
| TEXAS COMPANY | LAWRENCEVILLE | IL |
| TEXAS COMPANY | LOCKPORT | IL |
| Texas Company | Chicago | IL |
| Texas Company | Salem | IL |
| TEXAS COMPANY – H. A. LORD | LAWRENCEVILLE | IL |
| TEXAS COMPANY – LAWRENCEVILLE WORKS | LAWRENCEVILLE | IL |
| TEXAS COMPANY – M. A. LORD | LAWRENCEVILLE | IL |
| TEXAS COMPANY – PRODUCTION DEPARTMENT | SALEM | IL |
| TEXAS COMPANY REFINERY | LAWRENCEVILLE | IL |
| Texas Empire Pipe Line Company | Ballou | IL |
| Texas Empire Pipe Line Company | Heyworth | IL |
| Texas Pipe Line Company | Bloomington | IL |
| TEXTRON, INCORPORATED BUSINESS CENTER | ROCKFORD | IL |
| THATCHER GLASS MFG CO | STREATER | IL |
| THATCHER MANUFACTURING COMPANY | STREATOR | IL |
| THE BORDEN COMPANY | ROCK ISLAND | IL |
| THE H. R. SCHEMM | CHICAGO | IL |
| THE LUMMUS CO – NORTHERN PETR | MORRIS | IL |
| The Pure Oil Co. | Chicago | IL |
| The Texas Co | Chicago | IL |
| THE TEXAS COMPANY | LAWRENCEVILLE | IL |
| THEO A. KOCHS COMPANY | CHICAGO | IL |
| Theodore Thornton Residence | Hinsdale | IL |
| THERMIC REFRACTORIES | GIRARD | IL |
| Thermic Refractories/International Vermiculite/Morgan Thermic | Girard | IL |
| THERMOS DIV OF KING-SEELE | MACOMB | IL |
| Third Presbyterian Church, 2nd Floor Assembly Room & Study | Rockford | IL |
| THOMAS JEFFERSON SCHOOL | PEORIA | IL |
| Thomas Molding Floor Company | Chicago | IL |
| THOMAS PLAG & HTG | GALESBURG | IL |
| THOMAS SMITH | CHICAGO | IL |
| THOMAS THORKILDSEN AND COMPANY | CHICAGO | IL |
| THOMPSON WIRE COMPANY | FRANKLIN PARK | IL |
| THOMSON-HOUSTON ELECTRIC LIGHT AND POWER COMPANY – POWER PLANT | QUINCY | IL |
| THOR POWER TOOL | AURORA | IL |
| THOR POWER TOOL COMPANY | AURORA | IL |
| Thorp Elementary School, 8914 S. Buffalo Ave. | Chicago | IL |
| THRONRIDGE HIGH SCHOOL | DALTON | IL |
| Tidewater Associated Oil Company | Robinson | IL |
| Time Life Building | Chicago | IL |
| TINLEY PARK MENTAL HEALTH HOSPITAL | TINLEY PARK | IL |
| TINLEY PARK STATE HOSPITAL | TINLEY PARK | IL |
| TISHMAN SPEYER PROPERTIES – OFFICE TOWER – NORTH LASALLE STREET | CHICAGO | IL |
| TITAN WHEEL INTERNATIONAL | QUINCY | IL |
| Toasty Shop | Rock Island | IL |
| TOLEDO PEORIA AND WESTERN R | E PEORIA | IL |
| TOLL BROTHERS LAUNDRY | CHICAGO | IL |
| TOM CRABTREE PLBG. & HTG. | JACKSONVILLE | IL |
| Tom Smith Plumbing | Peoria | IL |
| TONN & BLANK | MICHIGAN CITY | IL |
| TOOTSIE ROLL INDUSTRIES | CHICAGO | IL |
| TOOTSIE ROOL INDUSTRIES | CHICAGO | IL |
| TOSCO WOOD RIVER REFINERY | ROXANA | IL |
| Totman & Morgan | Chicago | IL |
| Town of Barrington – Wastewater Treatment Plant | Barrington | IL |
| Town of Mound City – Sewage Treatment Facility | Mound City | IL |
| Township of Godfrey – Sewage Treatment Plant | Godfrey | IL |
| TRACTOR WORKS | CHICAGO | IL |
| TRANSCO PLANT | STREATOR | IL |
| TRAVENOL LABORATORIES | DEERFIELD | IL |
| Travenol Labs, Inc. | Morton Grove | IL |
| TRI CENTRAL MARINE TERMINAL, INCORPORATED | LEMONT | IL |
| TRI CITY HEAT TREAT CO | ROCK ISLAND | IL |
| TRI CITY RAILWAY COMPANY | ROCK ISLAND | IL |
| TRI CITY STREET RAILWAY COMPANY | ROCK ISLAND | IL |
| TRI COUNTY LIGHT AND POWER COMPANY | KEITHSBURG | IL |
| TRI-CENTRAL MARINE | LAMONT | IL |
| Trialco Inc. | Chicago Heights | IL |
| Triangle Restaurant, N. Clark Street | Chicago | IL |
| TRILLA COPPERAGE | CHICAGO | IL |
| Triple B Corp | Lyons | IL |
| TROJAN POWDER CO. | UNION COUNTY | IL |
| TROJAN POWDER CO. | WOLF LAKE | IL |
| TROJAN POWDER COMPANY | WOLF LAKE | IL |
| TROJAN US POWDER | WOLF LAKE | IL |
| TRUAX TRAER | FIAT | IL |
| TRUAX TRAER | FIATT | IL |
| TRUAX TRAER | FLATL | IL |
| TRUAX-TRAER COAL COMPANY | DUQUOIN | IL |
| TRUAX-TRAER COAL COMPANY | PINCKNEYVILLE | IL |
| TRUMBULL ASPHALT | SUMMIT | IL |
| TRUMBULL ASPHALT COMPANY | CHICAGO | IL |
| TRUNKLINE GAS CO. JOHNSONVILLE COMPRESSOR STATION | Johnsonville | IL |
| TRUNKLINE GAS COMPANY – JOHNSONVILLE COMPRESSOR STATION | Johnsonville | IL |
| TURCO PRODUCTS INC – WEST 46TH STREET | CHICAGO | IL |
| TURNER CONSTR COMPANY, 230 W. MONROE BUILDING | CHICAGO | IL |
| TURNER CORPORATION | SYCAMORE | IL |
| TURNER ELECTRIC CORPORATION – MANUFACTURING PLANT | FAIRVIEW HEIGHTS | IL |
| TURNER MFG. CO. | CHICAGO | IL |
| TURNER RESILIENT FLOORS – 737 NORTH MICHIGAN AVENUE | CHICAGO | IL |
| TURNER RESILIENT FLOORS, 737 NORTH MICHIGAN AVE. | CHICAGO | IL |
| TUTHILL BUILDING MATERIAL COMPANY | BLUE ISLAND | IL |
| TUTHILL SPRING COMPANY | MOMENCE | IL |
| TWO FIRST NATIONAL PLAZA BUILDING | CHICAGO | IL |
| U S ARMY ROCK ISLAND ARSENAL | ROCK ISLAND | IL |
| U S INDUSTRIAL CHEM DIV | TUSCOLA | IL |
| U S PENITENTIARY | MARION | IL |
| U S Steel | Joliet | IL |
| U S Steel | South Chicago | IL |
| U S STEEL CORP | S CHICAGO | IL |
| U. S. ARMY AMMO PLANT | JOLIET | IL |
| U. S. COURTHOUSE | CHICAGO | IL |
| U. S. COURTHOUSE – FEDERAL OFFICE BLDG | CHICAGO | IL |
| U. S. COURTHOUSE – FEDERAL OFFICE BLDG B | CHICAGO | IL |
| U. S. INDUSTRIAL CHEMICAL CO | PEORIA | IL |
| U. S. INDUSTRIAL CHEMICAL CO | TUSCOLA | IL |
| U. S. INDUSTRIAL CHEMICAL CO – ETHYLENE UNIT | TUSCOLA | IL |
| U. S. INDUSTRIAL CHEMICAL CO – NORTH PLANT | TUSCOLA | IL |
| U. S. POST OFFICE & COURTHOUSE | ROCK ISLAND | IL |
| U. S. RUBBER CO – KANKAKEE UNIT NBR 1 ACID AREA – JOLIET ARSENAL | ELWOOD | IL |
| U. S. STEEL – PRIVATE SIDING | CHICAGO | IL |
| U. S. STEEL CORPORATION | CHICAGO | IL |
| U. S. STEEL CORPORATION – SOUTH WORKS | SOUTH CHICAGO | IL |
| U. S. STEEL CORPORATION – SOUTH WORKS NO 2 OPEN HEARTH | CHICAGO | IL |
| U. S. STEEL SOUTH WORKS | CHICAGO | IL |
| U. S. STEEL SOUTH WORKS PLANT | CHICAGO | IL |
| U. SKREBNEVSKY | CHICAGO | IL |
| U.S. BOTTLING AND MACHINERY COMPANY – NORTH ROCKWELL STREET | CHICAGO | IL |
| U.S. COURTHOUSE | CHICAGO | IL |
| U.S. DIAMOND WHEEL | AURORA | IL |
| U.S. GYPSUM | DES PLAINES | IL |
| U.S. GYPSUM – RESEARCH LAB – EAST NORTHWEST HIGHWAY | DES PLAINES | IL |
| U.S. GYPSUM BUILDING – SOUTH WACKER DRIVE | CHICAGO | IL |
| U.S. GYPSUM CORPORATION | EAST CHICAGO | IL |
| U.S. INDUSTRIAL CHEMICAL | TUSCOLA | IL |
| U.S. INDUSTRIAL CHEMICAL CO. | TUSCOLA | IL |
| U.S. Industrial Chemical Corp. | Tuscola | IL |
| U.S. INDUSTRIAL CHEMICAL/USI CHEMICAL | TUSCOLA | IL |
| U.S. INDUSTRIAL CHEMICALS | TUSCOLA | IL |
| U.S. INDUSTRIAL CHEMICALS CO. / USI CHEMICAL | TUSCOLA/FICKLIN | IL |
| U.S. NAVAL HOSPITAL | GREAT LAKES | IL |
| U.S. NAVAL RESERVE TRAINING CENTER – EAST LAKE DRIVE | SPRINGFIELD | IL |
| U.S. NAVAL TRAINING CENTER – MESS HALL | NORTH CHICAGO | IL |
| U.S. Navy – 9th Naval District | Great Lakes | IL |
| U.S. POST OFFICE, 16TH & DEARBORN | CHICAGO | IL |
| U.S. REDUCTION | EAST CHICAGO | IL |
| U.S. RUBBER COMPANY | CHICAGO | IL |
| U.S. STEEL | NORTH CHICAGO | IL |
| U.S. Steel | Chicago | IL |
| U.S. STEEL – SOUTH WORKS | CHICAGO | IL |
| U.S. STEEL – SOUTH WORKS STEEL MILL | CHICAGO | IL |
| U.S. STEEL CORP. | CHICAGO | IL |
| U.S. Steel Corporation | Joliet | IL |
| U.S. STEEL CORPORATION | SOUTH CHICAGO | IL |
| U.S. STEEL CORPORATION | CHICAGO | IL |
| U.S. STEEL, WAUKEGAN | WAUKEGAN | IL |
| U.S. TOBACCO COMPANY – MANUFACTURING FACILITY – 5TH AVENUE | CHICAGO | IL |
| U.S. VETERANS ADMINISTRATION | DOWNEY | IL |
| U.S. VETERANS ADMINISTRATION HOSPITAL | CHICAGO | IL |
| U.S.I. Chemical | Tuscola | IL |
| UARCO INC. | CHICAGO | IL |
| ULTRA CHEMICAL WORKS | CHICAGO | IL |
| Unarco | Bloomington | IL |
| UNDERWRITERS LABORATORIES | CHICAGO | IL |
| UNDERWRITERS LABORATORIES – BUILDING 1 – PFINGSTEN ROAD | NORTH BROOK | IL |
| UNDERWRITERS LABORATORIES – BUILDING 5 – PFINGSTEN ROAD | NORTHBROOK | IL |
| UNDERWRITERS LABORATORIES – OFFICE AND TESTING STATION – EAST OHIO STREET | CHICAGO | IL |
| UNDERWRITERS LABORATORIES INC | NORTHBROOK | IL |
| UNDERWRITERS LABORATORIES INC – DUNDEE RD ILL ROUTE 68 – 1/2 MI W OF ILL 42 A | NORTHBROOK | IL |
| Underwriters Laboratories of Chicago | Chicago | IL |
| UNDERWRITERS LABORATORIES, INC | NORTHBROOK | IL |
| Underwriters’ Laboratories Inc. | Chicago | IL |
| Union Armour Stockyard | Mccook | IL |
| Union Asbestos | Bloomington | IL |
| UNION BAG AND PAPER COMPANY | CHICAGO | IL |
| UNION CARBIDE CO | CHICAGO | IL |
| UNION CARBIDE CORP | ROBINSON | IL |
| UNION CARBIDE CORP LINDE | E CHICAGO | IL |
| Union Carbide Corporation | Robinson | IL |
| UNION CARBIDE CORPORATION | CHICAGO | IL |
| UNION CHEMICAL AND OIL COMPANY – SOUTH WOOD STREET | CHICAGO | IL |
| UNION CITY TRACTION AND POWER COMPANY | ANNA | IL |
| UNION COUNTY TRACTION AND POWER COMPANY | ANNA | IL |
| UNION DROP FORGE COMPANY | CHICAGO | IL |
| UNION ELECTRIC – CAHOKIA PLANT | EAST ST. LOUIS | IL |
| UNION ELECTRIC – CAHOKIA POWER PLANT | Sauget | IL |
| UNION ELECTRIC – VENICE PLANT | VENICE | IL |
| UNION ELECTRIC CO | CAHOKIA | IL |
| UNION ELECTRIC CO. | CAHOKIA | IL |
| UNION ELECTRIC CO. | SAUGET | IL |
| UNION ELECTRIC CO. – VENICE PLANT | VENICE | IL |
| Union Electric Co.- Venice Power Plant | Venice | IL |
| Union Electric Company – Cahokia Power Plant | Sauget | IL |
| Union Electric Company – Venice Power Plant | Venice | IL |
| UNION ELECTRIC LIGHT AND POWER COMPANY – POWER PLANT | EAST ST. LOUIS | IL |
| UNION ELEVATED RAILWAY COMPANY | CHICAGO | IL |
| UNION FOUNDRY AND PULLMAN, CAR WHEEL WORKS | PULLMAN | IL |
| Union Guardian Trust Company | Chicago | IL |
| UNION LEAGUE CLUB | CHICAGO | IL |
| UNION LINEN SUPPLY | CHICAGO | IL |
| UNION MALLEABLE IRON COMPANY | EAST MOLINE | IL |
| UNION OIL | LEMONT | IL |
| Union Oil (see also Pure Oil) | Chicago | IL |
| Union Oil (see also Pure Oil) | Lemont | IL |
| Union Oil Co | Lemont | IL |
| UNION OIL CO. | LEMONT | IL |
| Union Oil Company | Lemont | IL |
| UNION OIL COMPANY (UNOCAL) | LEMONT | IL |
| UNION OIL COMPANY – PURE OIL | LEMONT | IL |
| Union Oil Company Of California | Palatine | IL |
| UNION OIL COMPANY OF CALIFORNIA – CHICAGO REF. | LEMONT | IL |
| Union Oil Company of California – Refinery | Lemont | IL |
| Union Oil Refinery | Lemont | IL |
| UNION PURE OIL CO | LEMONT | IL |
| UNION SPECIAL MACHINE | CHICAGO | IL |
| UNION SPECIAL MACHINE – NORTH FRANKLIN STREET | CHICAGO | IL |
| UNION SPECIAL MACHINE CO. | HUNTLEY | IL |
| UNION SPECIAL MACHINE COMPANY | CHICAGO | IL |
| Union Starch | Granite City | IL |
| UNION STARCH & REFINING CO | GRANITE CITY | IL |
| UNION STARCH & REFINING CO. | GRANITE CITY | IL |
| UNION STARCH COMPANY | GRANITE CITY | IL |
| UNION STOCK YARDS | CHICAGO | IL |
| Union Tank Car | Wood River | IL |
| Union Tank Car Manufacturer | Chicago | IL |
| UNION TOOL COMPANY | WEST CHICAGO | IL |
| UNITED AIRLINES | CHICAGO | IL |
| UNITED AIRLINES HANGAR MUNICIPAL AIRPORT | CHICAGO | IL |
| UNITED AMERICAN METALS | CHICAGO | IL |
| UNITED BOX BOARD COMPANY | PEORIA | IL |
| UNITED CHEMICAL AND ORGANIC PRODUCTS COMPANY | CALUMET CITY | IL |
| UNITED CHEMICAL AND ORGANIC PRODUCTS COMPANY | WEST HAMMOND | IL |
| UNITED ELECTRIC COAL | DUQUOIN | IL |
| UNITED ELECTRIC COAL CO | CANTON | IL |
| UNITED ELECTRIC COAL CO | COBA | IL |
| UNITED ELECTRIC COAL CO | CUBA | IL |
| United Electric Coal Company | Pyatts | IL |
| UNITED ELECTRIC COAL COMPANY – FIDELITY MINE 11 | DU QUOIN | IL |
| United Engineering & Construction | Utica | IL |
| UNITED INSURANCE BUILDING, STATE AND WACKER ST. | CHICAGO | IL |
| UNITED LABORATORIES INC – SOUTH MORGAN STREET | CHICAGO | IL |
| UNITED LEAD COMPANY | GRANITE CITY | IL |
| UNITED LIGHT AND POWER COMPANY | SILVIS | IL |
| UNITED MILK PRODUCTS | GARDEN PRAIRIE | IL |
| UNITED REFINING AND SMELT | FRANKLIN PARK | IL |
| United States Brewing Co. | Chicago | IL |
| UNITED STATES BREWING COMPANY | CHICAGO | IL |
| UNITED STATES BREWING COMPANY, #1 BRANCH | CHICAGO | IL |
| UNITED STATES DEPARTMENT OF AGRICULTURE – NORTHERN REGIONAL LABORATORY | PEORIA | IL |
| UNITED STATES FOOD PRODUCTS CORPORATION | PEORIA | IL |
| UNITED STATES INDUSTRIAL ALCOHOL COMPANY OF PEORIA | PEORIA | IL |
| UNITED STATES STEEL | SOUTH CHICAGO | IL |
| UNITED STATES STEEL | JOLIET | IL |
| United States Steel – South Works | Chicago | IL |
| United States Steel Corporation | Joliet | IL |
| UNITED STATES STEEL SUPPLY COMPANY, DIVISION OF US STEEL | CHICAGO | IL |
| UNITED STATES TOBACCO COMPANY | CHICAGO | IL |
| UNITED STATES VETERANS HOSPITAL | DANVILLE | IL |
| UNITED STATES WILDLIFE COMMISSION | CARBONDALE | IL |
| UNITED STATES YARDS | CHICAGO | IL |
| UNITED TOWNSHIP HIGH SCHOOL | EAST MOLINE | IL |
| UNITED WALL PAPER INCORPORATED | MONTGOMERY | IL |
| UNITED-EASTERN AIRLINES HANGAR | CHICAGO | IL |
| Universal Air Products Company | Des Plaines | IL |
| UNIVERSAL FABRICATED PRODUCTS COMPANY – WEST 61ST PLACE | SUMMIT | IL |
| UNIVERSAL OIL | MCCOOK | IL |
| Universal Oil products | Mccook | IL |
| Universal Oil Products | Des Plaines | IL |
| Universal Oil Products Company | Chicago | IL |
| Universal Oil Products Company | McCook | IL |
| UNIVERSAL OIL PRODUCTS COMPANY | DES PLAINES | IL |
| UNIVERSAL OIL PRODUCTS HEADQUARTERS – EAST ALGONQUIN ROAD | DES PLAINES | IL |
| UNIVERSITY HIGH SCHOOL | PEORIA | IL |
| UNIVERSITY OF CHICAGO | CHICAGO | IL |
| University of Chicago Orthopedic Hospital | Chicago | IL |
| University of Chicago, Chapel | Chicago | IL |
| University of Chicago, Wieboldt Hall | Chicago | IL |
| University Of Illinois | Champaign/urbana | IL |
| University Of Illinois | Champagne | IL |
| UNIVERSITY OF ILLINOIS | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – ABBOTT POWER HOUSE | CHAMPAIGN | IL |
| UNIVERSITY OF ILLINOIS – ABBOTT POWER PLANT | CHAMPAIGN | IL |
| UNIVERSITY OF ILLINOIS – ALLEN HALL | CHAMPAIGN | IL |
| UNIVERSITY OF ILLINOIS – AREA NBR 4 TUNNEL | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – AREA NBR 5 TUNNEL | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – ARMORY BLDG | CHAMPAIGN | IL |
| UNIVERSITY OF ILLINOIS – ASSEMBLY HALL | CHAMPAIGN | IL |
| UNIVERSITY OF ILLINOIS – BLDG 604 | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – BLDG 607 | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – BLDG 610 BOILER HOUSE | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – BLDG NBR 605 A AND B UNION | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – CONGRESS CIRCLE | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – CONGRESS CIRCLE AREA NBR 4 TUNNEL | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – INTRAMURAL P E | CHAMPAIGN | IL |
| UNIVERSITY OF ILLINOIS – KRANNERT CENTER FOR THE PERFORMING ARTS | CHAMPAIGN | IL |
| UNIVERSITY OF ILLINOIS – MATERIALS RESEARCH LAB | URBANA | IL |
| UNIVERSITY OF ILLINOIS – MATERIALS RESEARCH LABS | URBANA | IL |
| UNIVERSITY OF ILLINOIS – MCKINLEY HOSPITAL | URBANA | IL |
| UNIVERSITY OF ILLINOIS – PHYSICAL PLANT SERVICE BLDG | CHAMPAIGN | IL |
| UNIVERSITY OF ILLINOIS – PHYSICAL PLANT STOREROOM | CHAMPAIGN | IL |
| UNIVERSITY OF ILLINOIS – PHYSICAL PLANT STOREROOM | URBANA | IL |
| UNIVERSITY OF ILLINOIS – PLANT BUILDING NBR 610 | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – SCHOOL OF DENTISTRY | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – TUNNEL WORK AREA NBR 3 – CONGRESS CIRCLE | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS – UNION BLDG | CHICAGO | IL |
| University of Illinois at Urbana-Champaign, Ceramics Building | Urbana | IL |
| University of Illinois at Urbana-Champaign, Lincoln Ave. Women’s Residence Halls | Urbana | IL |
| UNIVERSITY OF ILLINOIS CONGRESS CRL – BLDG 607 | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS CONGRESS CRL – BLDG NBR 607 | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS CONGRESS CRL – POWER HOUSE | CHICAGO | IL |
| UNIVERSITY OF ILLINOIS, NURSING SCHOOL | CHICAGO | IL |
| UNIVERSTITY OF ILLINOIS | CHICAGO | IL |
| Unocal (see also Pure Oil) | Chicago | IL |
| Unocal (see also Pure Oil) | Lemont | IL |
| UP-TO-DATE LAUNDRY COMPANY | CHICAGO | IL |
| Upper Grade School | Flossmoor | IL |
| URBANA AND CHAMPAIGN RAILWAY, GAS, AND ELECTRIC COMPANY – POWER PLANT | CHAMPAIGN | IL |
| URBANA AND CHAMPAIGN STREET RAILWAY COMPANY | CHAMPAIGN | IL |
| US AGRI CHEMICAL | CHICAGO HEIGHTS | IL |
| US AIR FORCE | BELLEVILLE | IL |
| US ARMY ROCK ISLAND ARSE | ROCK ISLAND | IL |
| US COURTHOUSE & FEDERAL OFFICE BLDG. | CHICAGO | IL |
| US Courthouse & Federal Office Building, Kluczynski Federal Building | Chicago | IL |
| US ENGINEERS CORPORATION | DECATUR | IL |
| US Gypsum Building, 101 S. Wacker Dr. | Chicago | IL |
| US GYPSUM CO | CHICAGO | IL |
| US GYPSUM CO | DES PLAINES | IL |
| US Gypsum Research Center | Des Plaines | IL |
| US INDUSTRIAL CHEM DIV | TUSCOLA | IL |
| Us Industrial Chemical Co. | Tuscola | IL |
| US Industrial/ USI/ Quantum | Tuscola | IL |
| US NAVAL AIR STATION | GLENVIEW | IL |
| US PENITENTIARY | MARION | IL |
| US Rubber & Ammunition | Joliet | IL |
| US RUBBER COMPANY – KANKAKEE ORDNANCE PLANT | ELWOOD | IL |
| US SMELTING | BELLEVILLE | IL |
| US SMELTING CO | BELLEVILLE | IL |
| US Steel | Joliet | IL |
| US STEEL | S. CHICAGO | IL |
| Us Steel | Chicago | IL |
| US Steel | Clearing | IL |
| US STEEL – SOUTHWORKS | CHICAGO | IL |
| US STEEL CORP | S CHICAGO | IL |
| US STEEL, FERROSLAG PROCESSING COMPANY | CHICAGO | IL |
| US Steel, South Works | Chicago | IL |
| US Steel/Southworks1950-80 | Chicago | IL |
| US War Department – Chanute Field Annexes | Rantoul | IL |
| USG Corporate Office, 17th Floor and Cafeteria | Chicago | IL |
| USG Main Office Building | Chicago | IL |
| USI Chemical Plant | Tuscola | IL |
| USI Industries | Chicago | IL |
| UTICA CEMENT COMPANY | LASALLE | IL |
| UTICA CEMENT MANUFACTURING COMPANY | UTICA | IL |
| UTICA HYDRAULIC CEMENT COMPANY | UTICA | IL |
| V. A. Hospital | Great Lakes | IL |
| V. A. Hospital, Building 4 Chapel | Downey | IL |
| V. BEALE | COBDEN | IL |
| V.I.T. Community District High School | Table Grove | IL |
| V.R. Wesson | Lake Bluff | IL |
| VA HOSPITAL | DANVILLE | IL |
| VA Hospital | Chicago | IL |
| VALENTE REDI MIX COMPANY – EAST 24TH STREET | CHICAGO HEIGHTS | IL |
| VALENTINES RESTAURANT & BAR | FREEBURG | IL |
| Valley Foundry Supply | Rock Island | IL |
| VALLEY STEEL | FLORA | IL |
| Valley Steel | Carlinville | IL |
| VALMONT ELECTRIC INC. – DANVILLE FACTORY | DANVILLE | IL |
| VALPARAISO | CHICAGO | IL |
| VAN NORTWICK PAPER COMPANY | BATAVIA | IL |
| Van Packer Incorporated | Buda | IL |
| VAN STRAATEN CHEMICAL COMPANY | CHICAGO | IL |
| VAN STRAATEN CHEMICAL COMPANY | NORTH AURORA | IL |
| VANDERCOOL DIV OF ILLINOI | CHICAGO | IL |
| VASSAR COMPANY | CHICAGO | IL |
| VAUGHN & BUSHNELL MFG CO | BUSHNELL | IL |
| VAUGHN AND BUSHNELL MANUFACTURING COMPANY | CHICAGO | IL |
| VELSICOL CHEMICAL CORP | MARSHALL | IL |
| VELSICOL CHEMICAL CORP. | MARSHALL | IL |
| VELSICOL CHEMICAL CORPORATION | MARSHALL | IL |
| VELSICOL CORPORATION | MARSHALL | IL |
| VENICE NUMBER 2 | VENICE | IL |
| Venice Powerhouse | Venice | IL |
| Vermillion Power Plant | Oakwood | IL |
| Vermillion Powerhouse | Oakwood | IL |
| VERMILLION STATION ILLINOIS POWER | DANVILLE | IL |
| VERNOIS INC | MT VERNON | IL |
| Verson Allsteel Press Co. | Chicago | IL |
| VETERANS ADMIN HOSPITAL | DANVILLE | IL |
| VETERANS ADMINISTRATION H | DANVILLE | IL |
| VETERANS ADMINISTRATION HOSPITAL | CHICAGO | IL |
| VETERANS ADMINISTRATION RESEARCH HOSPITAL | CHICAGO | IL |
| VETERANS OF FOREIGN WARS (VFW) HALL | CHICAGO HEIGHTS | IL |
| VICTOR CHEMICAL COMPANY | CHICAGO | IL |
| VICTOR CHEMICAL COMPANY | CHICAGO HEIGHTS | IL |
| VICTOR CHEMICAL WORKS | CHICAGO | IL |
| VICTOR CHEMICAL WORKS | CHICAGO HEIGHTS | IL |
| VICTOR COMPTOMETER | MORTON GROVE | IL |
| VICTOR COMPTOMETER CO | CHICAGO | IL |
| VICTOR COMPTOMETER CO – NORTH SIDE PENTHOUSE | CHICAGO | IL |
| VICTOR COMPTOMETER CO – PLS BLDG | CHICAGO | IL |
| VICTOR COMPTOMETER CORPORATION | CHICAGO | IL |
| Victor Dana | Chicago | IL |
| Victor Dana | Robinson | IL |
| Victor Dana Company | Chicago | IL |
| Victor Dana Company | Robinson | IL |
| Victor Gasket | Chicago | IL |
| VICTOR GASKET | ROBINSON | IL |
| Victor Gasket & Manufacturing | Chicago | IL |
| VICTOR GASKET CO | CHICAGO | IL |
| Victor Gasket Plant | Chicago | IL |
| Victor Gasket/Victor Dana Corp. | Robinson | IL |
| Victor Manufacturing & Gasket Co. | Chicago | IL |
| Victor Manufacturing & Gasket Company | Chicago | IL |
| Victor Products | Chicago | IL |
| VICTORY MEMORIAL HOSP | WAUKEGAN | IL |
| VICTORY MEMORIAL HOSPITAL | WAUKEGAN | IL |
| VICTORY ORDNANCE PLANT | DECATUR | IL |
| Vidimosm Inc | East Chicago | IL |
| VIENNA CORRECTIONAL CENTER | VIENNA | IL |
| VIENNA STATE PRISON | VIENNA | IL |
| VIETOR CHEMICAL WORKS | CHICAGO | IL |
| Village of Bolingbrook – Sewage Works | Boingbrook | IL |
| Village of Dwight – Sewage Treatment Plant | Dwight | IL |
| Village of Glen Ellyn – Wastewater Treatment Plant | Glen Elly | IL |
| Village of Island Lake – Sewage Treatment Plant | Island Lake | IL |
| Village of Monsanto – Sewage Department | Monsanto | IL |
| Village of Wilmette – Public Works | Wilmette | IL |
| VILTER MANUFACTURING COMPANY | CHICAGO | IL |
| VISKASE COMPANY | BEDFORD PARK | IL |
| VISKING CORPORATION | CHICAGO | IL |
| VISKING CORPORATION | CLEARING | IL |
| VOGLER AND GENDTNER | CHICAGO | IL |
| Voris Inc | Roselle | IL |
| W G KRUMMRICH PLANT | SAUGET | IL |
| W I Steel Works | Chicago | IL |
| W R BROWN CORP | CHICAGO | IL |
| W T GRANT | GRANITE CITY | IL |
| W. A. WHITNEY MANUFACTURING | ROCKFORD | IL |
| W. F. HALL PRINTING CO. | CHICAGO | IL |
| W. G. KRUMMRICH PLANT | MONSANTO | IL |
| W. J. DONAHOE | CHICAGO | IL |
| W. J. DONAHOE | GLENVIEW | IL |
| W. R. Grace | Chicago | IL |
| W. R. Grace | W. Chicago | IL |
| W. W. YOUNG & SON, INC. | CHICAGO | IL |
| W.C. FAIRBANKS | CARROLLTON | IL |
| W.D. BOYCE | MARSEILLES | IL |
| W.G. KRUMMRICH PLANT | SAUGET | IL |
| W.H.G. MOORE | TURNER | IL |
| W.R. GRACE – VERMICULITE EXFOLIATION FACILITY – FENTON LANE | WEST CHICAGO | IL |
| W.R. GRACE – VERMICULITE EXFOLIATION FACILITY – SOUTH MARSHFIELD | CALUMET PARK | IL |
| W.R. GRACE AND CO. – CONSTRUCTION PRODUCTS DIVISION | CHICAGO | IL |
| W.S. HOOK | JACKSONVILLE | IL |
| W.W. GRAINGER | NILES | IL |
| W.W. KIMBALL AND COMPANY | CHICAGO | IL |
| W.W. KIMBALL COMPANY | CHICAGO | IL |
| WABASH POWER | WHEELING | IL |
| WABASH POWER & EQUIPMENT CO | WHEELING | IL |
| Wabash Power Equip. Co. | Wheeling | IL |
| WABASH POWER EQUIPMENT COMPANY | CHICAGO | IL |
| WABASH POWER EQUIPMENT COMPANY | WHEELING | IL |
| WABASH RAILWAY COMPANY | DECATUR | IL |
| WABASH RAILWAY COMPANY | LANDERS | IL |
| WABASH REFINING COMPANY | ROBINSON | IL |
| Wabco Dresser | Peoria | IL |
| WACKER AND BIRK BREWING COMPANY | CHICAGO | IL |
| Wadsworth Elementary School, 64th & University | Chicago | IL |
| WAGNER CASTING CO | DECATUR | IL |
| Wagner Casting Company | Decatur | IL |
| WAGNER CASTINGS CO | DECATUR | IL |
| Wagner Castings Co. | Decatur | IL |
| Wagner Electric – Plant | Edwardsville | IL |
| Wagner Electrical Corporation | Mt. Vernon | IL |
| Wagner Sheet Metal | Chicago | IL |
| WAGNERS CASTING | DECATUR | IL |
| WAHL BROTHERS | CHICAGO | IL |
| WAHLFELD MFG CO | PEORIA | IL |
| Waldron Paint Line | Mccook | IL |
| WALGREEN COMPANY | CHICAGO | IL |
| Walker Laundry Cleaners & Dryers | Aurora | IL |
| WALKER PROCESS EQUIPMENT | AURORA | IL |
| WALKER PROCESSING EQUIPMENT | AURORA | IL |
| WALKER VEHICLE CO | CHICAGO | IL |
| Wallace Powerhouse | Peoria | IL |
| WALLACE-MURRAY CORP., SIMONDS ABRASIVE DIV., CO: 9090 | SALEM | IL |
| WALTHAM WATCH COMPANY – 400 SOUTH JEFFERSON | CHICAGO | IL |
| Walther Memorial Hospital | Chicago | IL |
| WALWORTH CO | E ST LOUIS | IL |
| Walworth Company | Kewanee | IL |
| Walworth Company | Washington Park | IL |
| Wanzenberg W Company | Des Plaines | IL |
| WARD BAKING COMPANY | CHICAGO | IL |
| WARD BAKING CORP | CHICAGO | IL |
| WARNER ELECTRIC BRAKE | SOUTH BELOIT | IL |
| WARNER ELECTRIC BRAKE | SOUTH BELIOT | IL |
| WARNER LAMBERT COMPANY | ROCKFORD | IL |
| WARNER SUGAR REFINING COMPANY | CHICAGO | IL |
| WARNER SUGAR REFINING COMPANY | WAUKEGAN | IL |
| WARREN SPRINGER COMPANY | CHICAGO | IL |
| WARRN D. MURRAY CHILDREN’S CENTER | CENTRALIA | IL |
| WARWICK | CHICAGO | IL |
| WARWICK FURNACE CO | WHEELING | IL |
| WARWICK MANUFACTURING CORPORATION | ZION | IL |
| Warwick O H Co | Wheeling | IL |
| WARWICK, O H | WHEELING | IL |
| WASHBURN AND MOEN MANUFACTURING COMPANY | WAUKEGAN | IL |
| Washburn Trade School | Chicago | IL |
| WASHBURNE TRADE SCHOOL | CHICAGO | IL |
| Washington County Lumber and Building Materials Company | Nashville | IL |
| WASHINGTON JUNIOR HIGH SCHOOL | CHICAGO HEIGHTS | IL |
| WASHINGTON NATIONAL LIFE INSURANCE | EVANSTON | IL |
| Washington Paint | Chicago | IL |
| WASHINGTON PARK HOMES – 4440 SOUTH COTTAGE GROVE AVENUE | CHICAGO | IL |
| WASHINGTON PARK RACE TRACK | HOMEWOOD | IL |
| WASSON COAL CO; MINE “A” | CARRIERS MILLS | IL |
| WATER TOWER PLACE – NORTH MICHIGAN AVENUE | CHICAGO | IL |
| Water Tower Place, Atrium Shopping Mall | Chicago | IL |
| WATERLOO HIGH SCHOOL | WATERLOO | IL |
| WATERLOO POWERHOUSE | WATERLOO | IL |
| WATERWAY PAPER PRODUCTS COMPANY – BOILER PLANT | CHICAGO | IL |
| WATSEKA ELECTRIC AND HEAT COMPANY – STEAM PLANT | WATSEKA | IL |
| WATUBO INDUSTRIES | CHICAGO | IL |
| WAUCONDA BANK | WAUCONDA | IL |
| WAUKEGAN #6 | WAUKEGAN | IL |
| Waukegan Generating Station, Commonwealth Edison | Waukegan | IL |
| Waukegan High School | Waukegan | IL |
| Waukegan Junior High School | Waukegan | IL |
| WAUKEGAN POWERHOUSE | WAUKEGAN | IL |
| Waukegan Powerhouse, Station 16 | Waukegan | IL |
| WAUKEGAN PUBLIC LIBRARY | WAUKEGAN | IL |
| WAUKEGAN TOWNSHIP HIGH SCHOOL | WAUKEGAN | IL |
| Wavco | Peoria | IL |
| WAVERLY MILLING COMPANY | WAVERLY | IL |
| WEATHERPROOF COMPANY | LITCHFIELD | IL |
| WEBBER SCHOOL | URBANA | IL |
| WEBER CASTELLO CO | CHICAGO HEIGHTS | IL |
| Weber Costello Company | Chicago | IL |
| Weber High School | Chicago | IL |
| WEBER R I INDUSTRIES | PEORIA | IL |
| WEBER STEPHENS CO | ARLINGTON HEIGHTS | IL |
| WEBER WAGON COMPANY | CHICAGO | IL |
| WEDNAGEL STEEL MILL | ROSEMONT | IL |
| WEDRON SILICA COMPANY | WEDRON | IL |
| Weeks Dining Room | Wilmette | IL |
| Weeks’ Tea Room | Wilmette | IL |
| WEILAND BROS | APTAKISIC | IL |
| WEILAND BROS GRNHS | APISKISIO | IL |
| WEILAND BROTHERS GREENHOUSES | APTAKISIC | IL |
| WEILAND DAIRY COMPANY, INCORPORATED | CHICAGO | IL |
| WEIS PAPER MILL COMPANY | QUINCY | IL |
| WEISS HOSPITAL | CHICAGO | IL |
| WEISS MEMORIAL HOSPITAL | CHICAGO | IL |
| WEISS-SPANDIKOW COMPANY | RHODES | IL |
| WELLINGTON STARCH COMPANY | DECATUR | IL |
| WELLS AND FRENCH COMPANY | CHICAGO | IL |
| WELLS BROTHERS COMPANY | CHICAGO | IL |
| Wells Gardner & Company | Chicago | IL |
| Wells Manufacturing | Skokie | IL |
| Wells Mfg Co | Skokie | IL |
| Wells Pet Food Corp. | Monmouth | IL |
| WELLS SCHOOL ASHLAND & AGUSTA | CHICAGO | IL |
| WELWORTH CO | KEWANEE | IL |
| WENDNAGEL AND COMPANY | CHICAGO | IL |
| WEST ASPHALT | GURNEE | IL |
| WEST CHICAGO STREET RAILWAY COMPANY | CHICAGO | IL |
| WEST IRVING DIE CASTING | BENSENVILLE | IL |
| WEST MINISTER PRESBYTERIAN HOME | EVANSTON | IL |
| WEST POWER PLANT | CHICAGO | IL |
| WEST SIDE JUNIOR COLLEGE | CHICAGO | IL |
| West Southern Sewage Treatment Works | Stickney | IL |
| WEST SUBURBAN HOSPITAL | OAK PARK | IL |
| WEST TOWN HEALTH CENTER – WEST DIVISION STREET | CHICAGO | IL |
| WEST TOWN MANAGEMENT | CHICAGO | IL |
| Westclox Div. of Gen. Time Corp. | LaSalle | IL |
| WESTCOTT HINDMARSH INC – SOUTH CENTRAL AVENUE | OAK LAWN | IL |
| WESTERN ALFALFA MEAL CO | MCCLURE | IL |
| WESTERN ARCADIA | CHICAGO | IL |
| Western Asbestos Co | Chicago | IL |
| Western Asbestos Co. | Lemont | IL |
| Western Asbestos Co. | Chicago | IL |
| WESTERN ASBESTOS COMPANY | CHICAGO | IL |
| WESTERN AUSTIN COMPANY | AURORA | IL |
| WESTERN CARTIDGE COMPANY | SPRINGFIELD | IL |
| WESTERN CARTRIDGE CO | EAST ALTON | IL |
| WESTERN CLOCK COMPANY | LASALLE | IL |
| WESTERN COLD STORAGE COMPANY | CHICAGO | IL |
| WESTERN DRY COLOR CO. | CHICAGO | IL |
| WESTERN DRY COLOR COMPANY – WEST 52ND STREET | CHICAGO | IL |
| WESTERN EDISON ELECTRIC LIGHT COMPANY – POWER PLANT | CHICAGO | IL |
| Western Electric | Montgomery | IL |
| Western Electric | Cicero | IL |
| Western Electric | Chicago | IL |
| Western Electric – Hawthorne Works | Cicero | IL |
| WESTERN ELECTRIC BELL LABORATORIES – INDIAN HILL LABORATORY | NAPERVILLE | IL |
| WESTERN ELECTRIC CO | CICERO | IL |
| WESTERN ELECTRIC CO. | CICERO | IL |
| WESTERN ELECTRIC COMPANY | WARRENVILLE | IL |
| Western Electric Company – Data Center | Warrenville | IL |
| Western Electric Company – Hawthorne Works | Cicero | IL |
| Western Electric Company, Inc.- Hawthorne Works | Chicago | IL |
| Western Electric Hawthorne Works | Cicero | IL |
| WESTERN FELT WORKS | CHICAGO | IL |
| WESTERN FIRE BRICK | GRANITE CITY | IL |
| WESTERN GLUCOSE COMPANY | CHICAGO | IL |
| WESTERN HOSPITAL FOR INSANE | WATERTOWN | IL |
| WESTERN ILLINOIS POWER | PEARL | IL |
| WESTERN ILLINOIS POWER CO | JACKSONVILLE | IL |
| WESTERN ILLINOIS POWER CO. | JACKSONVILLE | IL |
| WESTERN INTRAMURAL RAILROAD | CHICAGO | IL |
| WESTERN METALS CO | CHICAGO | IL |
| WESTERN PACKING AND PROV COMPANY | CHICAGO | IL |
| Western Packing Co. Union Stockyards | Chicago | IL |
| WESTERN PAPER BAG COMPANY | BATAVIA | IL |
| Western Percipitation Corp. | South Chicago Heights | IL |
| Western Pipe & Supply Co. | E. Chicago | IL |
| WESTERN REFRIGERATING COMPANY | CHICAGO | IL |
| WESTERN SHADE CLOTH CO | CHICAGO | IL |
| WESTERN STEEL CAR AND FOUNDRY COMPANY | HEGEWISCH | IL |
| WESTERN TUBE COMPANY | KEWANEE | IL |
| WESTERN UNION – SOUTH WESTERN AVENUE | CHICAGO | IL |
| WESTERN UNITED GAS AND ELECTRIC COMPANY – POWER PLANT | AURORA | IL |
| Western United Gas Service Electric | Aurora | IL |
| Western United Gas Service Electric | Elgin | IL |
| WESTERN WHEELED SCRAPER COMPANY | AURORA | IL |
| Westinghouse | Muncie | IL |
| Westinghouse | Peoria | IL |
| Westinghouse Electric Company | Lake Bluff | IL |
| Westinghouse Electric Company | Burr Ridge | IL |
| Westinghouse Power Plant | Chicago | IL |
| WESTINGHOUSE, CHURCH, KERR AND COMPANY | CHICAGO | IL |
| WESTMINSTER PLACE OF THE PRESBYTERIAN HOME | EVANSTON | IL |
| WEYMAN-BRUTON COMPANY | CHICAGO | IL |
| WGN Radio Station | Chicago | IL |
| WHEELERS GARAGE | CANTON | IL |
| WHEELING TRUST & SAVINGS BANK – EAST DUNDEE ROAD | WHEELING | IL |
| WHIPPLER BROTHERS | ROCKFORD | IL |
| WHISPERING OAKS APARTMENTS | WAUKEGAN | IL |
| WHITE BEAR LAUNDRY | CHICAGO | IL |
| WHITE-STOKES COMPANY | CHICAGO | IL |
| Whiting Corporation | Harvey | IL |
| Whiting Corporation | Rock Island | IL |
| WHITING STOKER CO | CHICAGO | IL |
| WHITMAN AND BARNES MANUFACTURING COMPANY | WEST PULLMAN | IL |
| WHITTING CORPORATION | HARVEY | IL |
| Wicker Park Elementary School, Damen & Schiller | Chicago | IL |
| WICKS ORGAN FACTORY | HIGHLAND | IL |
| WIEBOLDT STORES | CHICAGO | IL |
| WIEBOLTS DEPT STORE | CHICAGO | IL |
| WIELAND DAIRY COMPANY | CHICAGO | IL |
| WIGGINS FERRY COMPANY ROUNDHOUSE | EAST ST. LOUIS | IL |
| WILDER TANNING COMPANY | WAUKEGAN | IL |
| WILKER PROCESS EQUIPMENT, INC. | AURORA | IL |
| Will County Generating Station, Commonwealth Edison | Romeoville | IL |
| WILL COUNTY POWER STATION | ROMEOVILLE | IL |
| WILL COUNTY POWERHOUSE | ROMEOVILLE | IL |
| Will Power Station | Will | IL |
| WILLIAM A. POPE CO – BLDG 609 | CHICAGO | IL |
| WILLIAM A. POPE COMPANY | CHICAGO | IL |
| WILLIAM F JOBBINS, INCORPORATED | AURORA | IL |
| WILLIAM F. JOBBINS INC – NORTH LAKE STREET ROAD | AURORA | IL |
| WILLIAM HEGGIE | JOLIET | IL |
| WILLIAM M BELL COMPANY – NORTH FRANKLIN STREET | CHICAGO | IL |
| WILLIAM M. BEDELL ACHIEVEMENT | WOOD RIVER | IL |
| WILLIAM SMITH BAKERY | CHICAGO | IL |
| WILLIAM WRIGLEY JR. COMPANY | CHICAGO | IL |
| WILLIAMSVILLE SOUTH HIGH SCHOOL | ROCKFORD | IL |
| WILLOW CREST SCHOOL | MOKENA | IL |
| WILSON & CO INC | CHICAGO | IL |
| WILSON AND COMPANY | CALUMET CITY | IL |
| WILSON ATHLETIC GOODS | RIVER GROVE | IL |
| WILSON ATHLETIC GOODS MANUFACTURING COMPANY | CHICAGO | IL |
| Wilson Company | Chicago | IL |
| WILSON LABY DIVISION WILSON PHARMECEUTICAL AND CHEMICAL CORPORATION | CHICAGO | IL |
| Wilson Metal Products | Chicago | IL |
| WILSON SPORTING GOODS | RIVER GROVE | IL |
| WILSON STEEL AND WIRE CO | CHICAGO | IL |
| WINDERMERE HOTEL | CHICAGO | IL |
| WINNEBAGO FURNITURE MANUFACTURING COMPANY | CHICAGO | IL |
| WINNETKA VILLAGE ELEC SYSTEM | WINNETKA | IL |
| WINNETKA, VILLAGE OF | WINNETKA | IL |
| WINSLOW BROTHERS COMPANY | CHICAGO | IL |
| WISC STEEL DIV OF I H CO | CHICAGO | IL |
| WISC STEEL DIV OF IH CO | CHICAGO | IL |
| WISCONSIN STEEL | CHICAGO | IL |
| WISCONSIN STEEL COKE PLT | CHICAGO | IL |
| WISCONSIN STEEL COMPANY | IRONDALE | IL |
| WISCONSIN STEEL CORP | CHICAGO | IL |
| WISCONSIN STEEL DIVN – INTERNATIONAL HARVESTER CO | CHICAGO | IL |
| WISCONSIN STEEL WORKS – C E REFRACTORIES | CHICAGO | IL |
| Witco Chemical | Mcook | IL |
| WITCO CHEMICAL COMPANY | CHICAGO | IL |
| WITCO CHEMICAL COMPANY | FOREST VIEW | IL |
| WITCO CHEMICAL COMPANY | LAWRENCEVILLE | IL |
| WITCO CHEMICAL CORPORATION – ORGANICS DIVISION | CHICAGO | IL |
| Witco Chemical Plant | Lawrenceville | IL |
| WITCO CORPORATION | CLEARING | IL |
| WITECO CHEMICAL | CHICAGO | IL |
| WITO CHEMICAL COMPANY | CHICAGO | IL |
| WITTICK GOLF RANGE | CHICAGO | IL |
| WM Adams Engineers, Inc. | Chicago | IL |
| WMAQ Broadcasting Station, Studio C | Chicago | IL |
| WOARE BUILDERS SUPPLY CO | DECATUR | IL |
| WOLF BRANCH SCHOOL – HUNTWOOD ROAD | FAIRVIEW HEIGHTS | IL |
| WOLWORTH STORE | SPRINGFIELD | IL |
| WONDER BREAD | BELLEVILLE | IL |
| WOOD & BROOKS | ROCKFORD | IL |
| WOOD PRESERVING COMPANY | CARBONDALE | IL |
| WOOD RIVER | PEORIA | IL |
| Wood River Oil & Refinery Company | Hartford | IL |
| WOOD RIVER POWER | PEORIA | IL |
| Wood River Power Plant | East Alton | IL |
| WOOD RIVER POWERHOUSE | WOOD RIVER | IL |
| WOOD RIVER PROJECT | PEORIA | IL |
| WOOD RIVER REFINERY | WOOD RIVER | IL |
| Wood River Township Hospital | Wood River | IL |
| WOODALL INDUSTRIES, INC. | SKOKIE | IL |
| WOODFIELD EXECUTIVE PLAZA – WOODFIELD DRIVE | SCHAUMBURG | IL |
| WOODFIELD MALL | SCHAUMBURG | IL |
| WOODFIELD MALL – J.C. PENNEY DEPARTMENT STORE | SCHAUMBURG | IL |
| Woodfield Mall Shopping Center | Schaumburg | IL |
| WOODMANSEE-DAVIDSON | CHICAGO | IL |
| WOODROW WILSON HI SCHOOL | MOLINE | IL |
| WOODRUFF ICE COMPANY | PEORIA | IL |
| WOODSTOCK DIE CASTING | WOODSTOCK | IL |
| WOOLNER DISTILLING COMPANY | PEORIA | IL |
| WOOLWORTH BUILDING – NORTH STATE STREET | CHICAGO | IL |
| WORLDS COLUMBIAN EXPOSITION | CHICAGO | IL |
| WRIGHLEY JR CO | CHICAGO | IL |
| WRIGHTWOOD INVESTMENTS | CHICAGO | IL |
| WRIGLEY BUILDING – NORTH MICHIGAN AVENUE | CHICAGO | IL |
| WURLITZER CO | DAKALB | IL |
| WURLITZER COMPANY | DEKALB | IL |
| Wurster & Sanger | Chicago | IL |
| WYMAN GORDON CO INGALLS | S HARVEY | IL |
| Wyman Gordon Company | Harvey | IL |
| WYMAN-GORDON COMPANY | HARVEY | IL |
| WYMAN-GORDON COMPANY, INGALLS SHEPARD DIVISION | HARVEY | IL |
| Y.M.C.A. | SPRINGFIELD | IL |
| Yale Elementary School, 7025 S. Princeton | Chicago | IL |
| YANKEE RIDGE SCHOOL | URBANA | IL |
| YARYAN HEAT AND LIGHTING COMPANY – HEATING PLANT | EVANSTON | IL |
| YEARDLEY ENGR CO | CHICAGO | IL |
| YELLOW CAB MANUFACTURING COMPANY | CHICAGO | IL |
| Yingling Oil & Mining | Grayville | IL |
| YMCA | CHICAGO | IL |
| YMCA Hotel | Chicago | IL |
| YOGI BEAR RESTAURANT | WHEELING | IL |
| YONK MANUFACTURING COMPANY | CHICAGO | IL |
| YORKTOWN CENTER – WIEBOLDT’S DEPARTMENT STORE | LOMBARD | IL |
| YOU AND MANUFACTURING COMPANY | CHICAGO | IL |
| YOUNG AND FARRELL DIAMOND STONE SAWING COMPANY | CHICAGO | IL |
| YOUNG SPRING & WIRE | CHICAGO | IL |
| YOUNGSTOWN SHEET | EAST CHICAGO | IL |
| YOUNGSTOWN SHEET & TUBE CO – BLDG 17 | CHICAGO | IL |
| YOUNGSTOWN SHEET & TUBE CO – GALV WAREHOUSE – NBR 2 TIN MILL | EAST CHICAGO | IL |
| YOUNGSTOWN SHEET & TUBE CO – NBR 2 BLOOMER MILL | EAST CHICAGO | IL |
| YOUNGSTOWN SHEET & TUBE COMPANY | EAST CHICAGO | IL |
| YOUNGSTOWN SHEET AND TUBE COMPANY | CHICAGO | IL |
| YOUNGSTOWN SHEET AND TUBE COMPANY | SOUTH CHICAGO | IL |
| Z.A. Keller | LaGrange | IL |
| ZEIGLER COAL & COKE | SPARTA | IL |
| Zenith | Chicago | IL |
| Zenith Corp. | Chicago | IL |
| Zenith Electronics Manufacturing Company | Melrose Park | IL |
| ZENITH RADIO CORPORATION | CHICAGO | IL |
| ZENITH RADIO CORPORATION | NORTH LAKE | IL |
| ZENITH RADIO HEADQUARTERS – MILWAUKEE AVENUE | GLENVIEW | IL |
| Ziegler Coal Co. | Johnston City | IL |
| Ziegler Coal Co. | Sparta | IL |
| ZION ALUMINUM CORPORATION | ZION | IL |
| ZION BUILDING AND MANUFACTURING ASSOCIATION | ZION | IL |
| ZION INDUSTRIES INC. | ZION | IL |
| ZION LACE INDUSTRIES | ZION | IL |
| ZIVNEY CHEESE, INCORPORATED | MINONK | IL |
| ANCHOR HOCKING | GURNEE | IL |
| BADGER PLANT | STICKNEY | IL |
| FREEMAN COAL MINING* | CHICAGO | IL |
| PERU CITY | PERU | IL |
| UNION CARBIDE | ROBINSON | IL |
| C.F. BRAUN | LEMONT | ILL |
| C.F. BRAUN | WOOD RIVER | ILL |
| CONTINENTAL CAN CO | CHICAGO | ILL |
| COLLIER CARBON & CHEMICAL CORPORATION | ILLINOIS | |
| JOPPA | JOPPA | ILLINOIS |
| MADISON – LOCATION | HIGHLAND | ILLINOIS |
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