| Jobsite Name | City | State |
|---|---|---|
| EXXON REFINERY | BILLINGS | MT |
| FRANK BIRD | BILLINGS | MT |
| KERR | LAKE | MT |
| LEWIS AND CLARK | RICHLAND | MT |
| MORONY HE DEVELOPMENT | CASCADE | MT |
| NOXON RAPIDS | SANDERS | MT |
| THOMSON | SANDERS | MT |
| ALCOTANE LIMITED (a/k/a Holly Sugar Corp.) | HARDIN | MT |
| ALTA MONTANA COMPANY | WICKS | MT |
| AMALGAMATED SUGAR COMPANY | MISSOULA | MT |
| AMALGAMATED SUGAR COMPANY | WHITEHALL | MT |
| AMERICAN CRYSTAL SUGAR COMPANY | MISSOULA | MT |
| American Smelting & Refining | East Helena | MT |
| AMERICAN SMELTING & REFINING COMPANY | E HELENA | MT |
| ANACONDA ALUMINUM CO – CENTRAL HEATING PLANT | COLUMBIA FALLS | MT |
| ANACONDA ALUMINUM CO ALUMINUM DIV | COLUMBIA FALLS | MT |
| ANACONDA ALUMINUM COMPANY | COLUMBIA FALLS | MT |
| ANACONDA ALUMINUM COMPANY | CONKELLEY | MT |
| ANACONDA ALUMINUM PLANT | COLUMBIA FALLS | MT |
| ANACONDA CENTRAL HIGH SCHOOL | ANACONDA | MT |
| ANACONDA COMPANY | BUTTE | MT |
| ANACONDA COMPANY | ANACONDA | MT |
| ANACONDA COMPANY – GREEN LEACH BUILDING | BUTTE | MT |
| ANACONDA COMPANY, GREEN LEACH BUILDING | BUTTE | MT |
| Anaconda Copper | MT | |
| Anaconda Copper Co. | Anaconda | MT |
| Anaconda Copper Company | Anaconda | MT |
| ANACONDA COPPER MINING CO | BUTTE | MT |
| ANACONDA COPPER MINING CO. – SULPHURIC ACID PLANT | ANACONDA | MT |
| ANACONDA COPPER MINING COMPANY | SILVER LAKE | MT |
| ANACONDA COPPER MINING COMPANY | ANACONDA | MT |
| ANACONDA COPPER MINING COMPANY | BLACK EAGLE | MT |
| ANACONDA COPPER MINING COMPANY | BUTTE | MT |
| ANACONDA COPPER MINING COMPANY, WAREHOUSE | ANACONDA | MT |
| ANACONDA FOREST PRODUCTS | BONNER | MT |
| ANACONDA SMELTER STACK | ANACONDA | MT |
| Anaconda-Butte, Montana Ducts and Stacks | Great Falls | MT |
| ARCHIE BRAY FOUNDATION | HELENA | MT |
| Armstrong Contracting & Supply Corporation | Missoula | MT |
| Armstrong Contracting & Supply Corporation | Butte | MT |
| Armstrong Contracting & Supply Corporation | Billings | MT |
| Arras Tank Company | Cutbank | MT |
| Asarco Inc | East Helena | MT |
| BILLINGS CITY HALL | BILLINGS | MT |
| BILLINGS LAUNDRY | BILLINGS | MT |
| BILLINGS MUTUAL HEATING COMPANY | BILLINGS | MT |
| BILLINGS SUGAR COMPANY | BILLINGS | MT |
| BILLINGS UTILITY COMPANY – CENTRAL HEATING PLANT | BILLINGS | MT |
| BOSTON AND MONTANA CONSOLIDATED COPPER AND SILVER MINING COMPANY | GREAT FALLS | MT |
| BOSTON AND MONTANA CONSOLIDATED COPPER AND SILVER MINING COMPANY | BLACK EAGLE FALLS | MT |
| BOSTON AND MONTANA CONSOLIDATED COPPER AND SILVER MINING COMPANY | BLACK EAGLE | MT |
| BOSTON AND MONTANA REDUCTION DEPARTMENT | BLACK EAGLE | MT |
| BRICK & BUILDERS SUPPLY | KALISPELL | MT |
| BRICK & BUILDERS SUPPLY | KALTSPELL | MT |
| BROEDER LUMBER COMPANY | CRESTON | MT |
| Burlington Northern Santa Fe | Livingston | MT |
| C. & C. PLYWOOD CORPORATION | KALISPELL | MT |
| C.C. MOORE & CO. ENGINEERS | BILLINGS | MT |
| Canex Oil Refinery | Laurel | MT |
| Carter Oil | Billings | MT |
| Carter Oil Co | Billings | MT |
| CARTER OIL CO (C.C. Moore & Co. Engineers) | BILLINGS | MT |
| CARTER OIL COMPANY | BILLINGS | MT |
| CASCADES PLYWOOD COMPANY | POLSON | MT |
| Cenex | Laurel | MT |
| Cenex Refinery | Laurel | MT |
| CENEX, INC. | LAUREL | MT |
| CHAMPION PAPER | LIBBY | MT |
| Clausen Refrigeration | Missoula | MT |
| CLEVELAND CLIFFS IRON | ISHPEMING | MT |
| COLUMBUS HOSPITAL | GREAT FALLS | MT |
| Conoco Oil Company | Billings | MT |
| Conoco Oil Refinery | Billings | MT |
| CONREY PLACER MINING COMPANY | VIRGINIA CITY | MT |
| CONSOLIDATED COPPER AND SILVER MINING COMPANY | BUTTE | MT |
| CONTINENTAL OIL | BILLINGS | MT |
| Continental Oil Co. | Billings | MT |
| CONTINENTAL OIL COMPANY | BILLINGS | MT |
| CONTINENTAL OIL REFINERY | BILLINGS | MT |
| COPPER AND SILVER MINING COMPANY | BLACK EAGLE | MT |
| COPPER AND SILVER MINING COMPANY | GREAT FALLS | MT |
| CYPRUS INDUSTRIAL MINERALS COMPANY | THREE FORKS | MT |
| DELUXE LOUNGE | GREAT FALLS | MT |
| DIEHL LUMBER CO | PLAINS | MT |
| DIEHL LUMBER COMPANY | PLAINS | MT |
| DUPUIS LUMBER | POLSON | MT |
| E.J. BARTELLS COMPANY | BILLINGS | MT |
| EAST BUTTE COPPER MINING COMPANY | BUTTE | MT |
| Ej Bartells | Lewiston | MT |
| EMPLOYMENT SECURITY BUILDING | HELENA | MT |
| EVANS PRODUCTS COMPANY | MISSOULA | MT |
| EXXON CORP. | BILLINGS | MT |
| Exxon Corporation | Billings | MT |
| EXXONMOBIL OIL CORPORATION | BILLINGS | MT |
| FARMER’S UNION COOPERATIVE OIL | LAUREL | MT |
| FARMERS UNION CENTRAL | LAUREL | MT |
| FARMERS UNION CENTRAL EXCHANGE | LAUREL | MT |
| FARMERS UNION CENTRAL EXCHANGE REFINERY | LAUREL | MT |
| FARMERS UNION CENTRAL EXCHANGE – OIL REFINERY | LAUREL | MT |
| FEDERAL RESERVE BANK – LAWRENCE AND PARK AVES. | HELENA | MT |
| FIBERGLAS ENGINEERING & SUPPLY CO. | BILLINGS | MT |
| FIRST NATIONAL BANK OF GREAT FALLS | GREAT FALLS | MT |
| FORSYTH ELECTRIC LIGHT & POWER COMPANY – POWER PLANT | FORSYTH | MT |
| Forzley Sales Co | Great Falls | MT |
| GEISMAR INDUSTRIES, INCORPORATED | GEISMAR | MT |
| GENERAL MILLS – FLOUR DIVISION | GREAT FALLS | MT |
| GLACIER PRODUCTION CORP | CUTBANK | MT |
| Glasgow AFB | Glasgow | MT |
| Glasgow Air Force Base | Glasgow | MT |
| GLASGOW AIR FORCE BASE – POWERHOUSE | GLASGOW | MT |
| GLASGOW AIR FORCE BASE – SQUADRON HEADQUARTERS & THEATER | GLASGOW | MT |
| GLENDIVE HEAT, LIGHT AND POWER COMPANY – POWER PLANT | GLENDIVE | MT |
| GPI | Cut Bank | MT |
| GRANITE BIMETALIC CONSOLIDATED MINING COMPANY | PHILIPSBURG | MT |
| GREAT FALLS INTERNATIONAL AIRPORT | GREAT FALLS | MT |
| Great Falls Refinery | Great Falls | MT |
| GREAT WESTERN SUGAR COMPANY | BILLINGS | MT |
| GREAT WESTERN SUGAR COMPANY | MISSOULA | MT |
| HEARTLAND GRAIN FUELS | BUTTE | MT |
| HELENA HIGH SCHOOL | HELENA | MT |
| HELENA POWER TRANSMISSION COMPANY – HAUSER DAM POWER PLANT | HELENA | MT |
| HISTORIC LIBBY HIGH SCHOOL | LIBBY | MT |
| HOERNER WALDORF CORPORATION | MISSOULA | MT |
| HOERNER WALDORF CORPORATION – HOT PROCESS SOFTENER TANK | MISSOULA | MT |
| HOERNER WALDORF CORPORATION, HOT PROCESS SOFTENER TANK | MISSOULA | MT |
| HOERNER WALDORF PAPER PRODUCTS | MISSOULA | MT |
| HOLLY SUGAR CORPORATION | SIDNEY | MT |
| HOLLY SUGAR CORPORATION | SYDNEY | MT |
| HUMBLE OIL & REFINERY COMPANY | BILLINGS | MT |
| HUMBLE OIL & REFINING CO (a/k/a Exxon) – Billings Refinery | BILLINGS | MT |
| HUMBLE OIL – BILLINGS REFINERY | BILLINGS | MT |
| HUMBLE OIL AND REFINERY | BILLINGS | MT |
| Humble Refindery | Billings | MT |
| Ideal Cement Company | Trident | MT |
| INTERMOUNTAIN LUMBER COMPANY | MISSOULA | MT |
| IOWA VALLEY SUGAR COMPANY, INCORPORATED | MISSOULA | MT |
| J NEIL LUMBER COMPANY | LIBBY | MT |
| J. Neil Lumber | Libby | MT |
| J. NEILS LUMBER COMPANY | LIBBY | MT |
| J. NEILS LUMBER COMPANY | TROY | MT |
| J. NEILS PAPER COMPANY | LIBBY | MT |
| Kaiser Cement & Gypsum | Montana City | MT |
| Kaiser Cement & Gypsum Corp. | Montana City | MT |
| KELLY HEATING PLANT | BUTTE | MT |
| LAUREL OIL AND REFINING COMPANY | LAUREL | MT |
| LEGAL TENDER MINING COMPANY | CLANCY | MT |
| Lewiston Brick & Tile | Lewiston | MT |
| LINCOLN COUNTY PUBLIC LIBRARY | LIBBY | MT |
| Malmstrom AFB | Great Falls | MT |
| Malmstrom Air Force Base | Great Falls | MT |
| MARCUS DALY MEMORIAL HOSPITAL | HAMILTON | MT |
| MC KEE ARTHUR AND CO | ANACONDA | MT |
| MIDLAND SUGAR COMPANY | SIDNEY | MT |
| Miles City AFB | Miles City | MT |
| Miles City Air Force Base | Miles City | MT |
| MILES CITY WATER AND ELECTRIC LIGHT COMPANY – POWER PLANT | MILES CITY | MT |
| MINERAL COUNTY HOSPITAL/MINERAL COMMUNITY HOSPITAL | SUPERIOR | MT |
| MISSOULA LIGHT AND WATER COMPANY – POWER PLANT | MISSOULA | MT |
| MISSOULA WHITE PINE SASH | MISSOULA | MT |
| MONT DAKOTA UTILITIES | GLENDIVE | MT |
| MONTANA COAL AND IRON COMPANY | WASHOE | MT |
| MONTANA DAKOTA UTILITIES CO. – LEWIS AND CLARK STATION | SIDNEY | MT |
| Montana Light & Power Company | Troy | MT |
| MONTANA ORE PURCHASING COMPANY | BUTTE | MT |
| MONTANA POWER | BILLINGS | MT |
| MONTANA POWER & LIGHT CO | COLSTRIP | MT |
| MONTANA POWER CO – BILLINGS PLANT UNIT #2 | BILLINGS | MT |
| MONTANA POWER COMPANY | BUTTE | MT |
| MONTANA POWER COMPANY | BILLINGS | MT |
| MONTANA POWER COMPANY – Colstrip Station | COLSTRIP | MT |
| MONTANA POWER COMPANY – J.E. CORETTE STATION | BILLINGS | MT |
| Montana Power Company ? Colstrip Power Plant | Colstrip | MT |
| Montana Power Company- Mystic Lake Power Plant | Billings | MT |
| MONTANA STATE HOSPITAL | WARM SPRINGS | MT |
| Montana-Dakota Utilities | Sidney | MT |
| MONTANA-DAKOTA UTILITIES CO – Lewis Clark Station | SIDNEY | MT |
| Montana-Dakota Utilities Co. – Lewis & Clark Station | SIDNEY | MT |
| MONTANA-DAKOTA UTILITIES COMPANY – CLOUGH STREET POWER PLANT | GLENDIVE | MT |
| MOULTON GOLD AND SILVER MINING COMPANY | BUTTE | MT |
| MOULTON MINING COMPANY | BUTTE | MT |
| Mountain Bell | Billings | MT |
| NATIONAL MINING AND EXPLORING COMPANY | HELENA | MT |
| NEW MENS RESIDENCE | MISSOULA | MT |
| NORTH BUTTE MINING COMPANY | BUTTE | MT |
| NORTH JUNIOR HIGH | GREAT FALLS | MT |
| NORTHERN PACIFIC RAILROAD COMPANY | LIVINGSTON | MT |
| NORTHERN PACIFIC RAILROAD COMPANY | GLENDIVE | MT |
| NORTHERN PACIFIC RAILWAY COMPANY | LIVINGSTON | MT |
| NORTHERN PACIFIC RAILWAY COMPANY | MULLAN TUNNEL | MT |
| NORTHWESTERN IMPROVEMENT COMPANY | RED LODGE | MT |
| NORTHWESTERN IMPROVEMENT COMPANY | CHESTNUT | MT |
| ORIGINAL BUTTE MINING COMPANY | BUTTE | MT |
| Owens Corning Fiberglass Corp. | Billings | MT |
| P.B. MOSS | BILLINGS, | MT |
| PACK RIVER LUMBER CO | THOMPSON FALLS | MT |
| PAPER MILL & DIGESTER | MISSOULA | MT |
| PHILLIPS PETROLEUM | GREAT FALLS | MT |
| PHILLIPS PETROLEUM CO. | GREAT FALLS | MT |
| PHILLIPS PETROLEUM COMPANY – GREAT FALLS REFINERY | GREAT FALLS | MT |
| PHILLIPS PETROLEUM COMPANY – GREAT FALLS REFINERY – WAREHOUSE NBR 2 | GREAT FALLS | MT |
| PHILLIPS PETROLEUM COMPANY – REFINING DEPARTMENT | GREAT FALLS | MT |
| PHILLIPS PETROLEUM COMPANY – REFINING DEPARTMENT – WAREHOUSE #2 | GREAT FALLS | MT |
| PHILLIPS PETROLEUM REFINERY | GREAT FALLS | MT |
| PHOENIX ELECTRIC COMPANY – POWER PLANT | BUTTE | MT |
| PITTSBURG AND MONTANA COPPER COMPANY | BUTTE | MT |
| PLUM CREEK LUMBER CO | COLUMBIA FALLS | MT |
| PLUM CREEK LUMBER COMPANY | COLUMBIA FALLS | MT |
| POWERHOUSE | BILLINGS | MT |
| POWERHOUSE | SIDNEY | MT |
| RAVALLI COUNTY COURTHOUSE – 205 BEDFORD STREET | HAMILTON | MT |
| SAINT REGIS PAPER COMPANY | LIBBY | MT |
| Saltenberger Plumbing & Heating | Anaconda | MT |
| Schmidt Plumbing & Heating | Missoula | MT |
| SIDNEY MONTANA POWERHOUSE | SIDNEY | MT |
| SIERRA TALC AND CLAY COMPANY, INCORPORATED | THREE FORKS | MT |
| SMURFIT-STONE CONTAINER CORPORATION | MISSOULA | MT |
| SMURFIT/STONE CONTAINER CORPORATION | MISSOULA | MT |
| ST REGIS PAPER CO | LIBBY | MT |
| ST. GERARD’S CATHOLIC CHURCH | GREAT FALLS | MT |
| ST. REGIS PAPER CO – PAPER MILL | LIBBY | MT |
| ST. REGIS PAPER COMPANY | LIBBY | MT |
| ST. REGIS SCHOOL | ST.REGIS | MT |
| ST. VINCENT HOSPITAL | BILLINGS | MT |
| ST. VINCENT’S HOSPITAL | BILLINGS | MT |
| STAUFFER CHEMICAL | SILVER BOW | MT |
| STAUFFER CHEMICAL | BUTTE | MT |
| STAUFFER CHEMICAL CO | SILVER BOW | MT |
| Stauffer Chemical Co. – Storage & Sludge | Silver Bow | MT |
| STONE CONTAINER | MISSOULA | MT |
| Stone Container Corporation, Paper Mill | Frenchtown | MT |
| Stone Container Corporation, Paper Mill | Missoula | MT |
| STONE CORPORATION | -MISSOULA | MT |
| SULPHURIC ACID PLANT | ANACONDA | MT |
| SUNNYSIDE ELEMENTARY SCHOOL GYMNASIUM | GREAT FALLS | MT |
| Taylor & Knapp Ball Mill | Philipsberg | MT |
| TED HALL | BILLINGS | MT |
| TEXACO, INC. | SUNBURST | MT |
| TEXAS COMPANY | SUNBURST | MT |
| The Anaconda Company | Anaconda | MT |
| THOMPSON FALLS LUMBER COM | THOMPSON FALLS | MT |
| TIMBER BUTTE MILLING COMPANY | BUTTE | MT |
| Union Oil | Cut Bank | MT |
| UNION OIL CO | CUT BANK | MT |
| UNION OIL COMPANY | OUT BANK | MT |
| UNION TANK CAR CO | LAUREL | MT |
| UNITED SIERRA DIVISION, CYPRUS MINES CORPORATION | THREE FORKS | MT |
| UNITED STATES GYPSUM CO | HEATH | MT |
| UNIVERSITY CENTER | MISSOULA | MT |
| UNIVERSITY OF MONTANA | MISSOULA | MT |
| UNIVERSITY OF MONTANA, SCHOOL OF MUSIC | MISSOULA | MT |
| US AIR FORCE | GLASGOW | MT |
| US AIR FORCE, MAHLSTROM AFB | MT | |
| UTAH IDAHO SUGAR COMPANY | CHINOOK | MT |
| VAN EVAN COMPANY | MISSOULA | MT |
| Victor Chemical Company | Butte | MT |
| W.R. GRACE – SCREENING PLANT | LIBBY | MT |
| WALDORF HOERNER PAPER PRODUCTS COMPANY | MISSOULA | MT |
| WALDORF PAPER COMPANY | MISSOULA | MT |
| WALDORF PAPER PRODUCTS COMPANY | MISSOULA | MT |
| WALDORF-HARNER PAPER | MISSOULA | MT |
| WALDORF-HOERNER, PAPER PRODUCTS DIVISION | MISSOULA | MT |
| Waldorf-Horner Paper Products Co. – Kamyer | Missoula | MT |
| WARM SPRINGS STATE HOSPITAL | WARM SPRINGS | MT |
| WESTERN RANCH SUPPLY COMPANY, FRONT AND 14TH STS. | HELENA | MT |
| Wyo-Ben Prod Co Material Supply Division | Billings | MT |
| Yale Oil Corporation | Billings | MT |
| YELLOWSTONE COUNTY COURTHOUSE | BILLINGS | MT |
| YELLOWSTONE PINE LUMBER C | BELGRADE | MT |
| CURETTE PLANT POWER HOUSE | BILLINGS | MT |
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