| Acme Plant – Sheridan |
Mountain State Insulation – Green River |
| Allied Chemical Corp. – Green River |
Mountain States Power Company – Casper |
| Allied Soda Ash Plant – Green River |
Municipal Airport, Building 14 – Casper |
| Alumina Plant – Laramie |
Mutual Oil Co. Glen Rock |
| American Oil Company – Casper |
Natrona County Electric Company – Casper |
| American Oil Refinery – Ft. Laramie |
Natrona County High School – Casper |
| Amoco Oil Company – Casper |
Naughton Power Plant – Kemmerer |
| Amoco Oil Refinery – Casper |
Naughton Steam Electric Plant – Kemmerer |
| Amoco Oil Refinery – Ft. Laramie |
North American Galvanize – Bentwood |
| Amoco Production Co. Parco |
Northern Colo Light & Power Company – Casper |
| Amoco Production Co. Riverton |
Northern Utilities Company – Riverton |
| Amoco Production Co. Whitney Canyon |
Owl Creek Coal Co. Gebo |
| ARCO – Sinclair |
Owl Creek Coal Co. Kirby |
| Atlantic City Ore Mine – Atlantic City |
Pacific Power & Light Co. Casper |
| Atlantic Gas – Riverton |
Pacific Power & Light Co. Glen Rock |
| Atlantic Gas Plant – Riverton |
Pacific Power & Light Powerhouse – Glen Rock |
| Atlantic Richfield Co. – Sinclair |
Pacific Power Company – Allied Unit #1 – Green River |
| Atlas Incineration – Wyzotta |
Pacific Power Light Glenrock |
| Basin Electric & Power Cooperative, Power Project Wheatland |
Pacificorp – Gillette |
| Bechtel Corp. – Green River |
Pacificorp – Kemmerer |
| Becker Brewing & Malting Company – Evanston |
Pacificorp Glenrock |
| Black Hills Power & Light Co. Gillette |
Pan American Petroleum Corp. – Riverton |
| Black Hills Power & Light Co. Osage |
Pan Petroleum Riverton |
| Black Hills Power & Light Co. Wyodak |
Pancratz Company – Casper |
| Boise Cascade – Kraft Corporation – Wallace |
Penn Wyoming Copper Company – Encampment |
| Bridger Power Plant – Rock Springs |
Perkins Power Co. Sheridan County |
| Bridger Power Plant – Bridger |
Petrontomics Company – Casper |
| Brown Bear – Wy |
Plant Unit Number 2 – Lincoln |
| Buffalo Northwest Electric Company – Buffalo |
Plateau Supply Company – Casper |
| Cabot Carbon Company – Glen Rock |
Power & Light Glenrock |
| California Pipeline Company – Laramie |
Power Service Corp. – Casper |
| Cambria Fuel Company – Cambria |
Power Service Corporation – Ft. Laramie |
| Casper Construction Specialties Co. |
Powerhouse – Glen Rock |
| Casper Refinery – Casper |
Producers & Refiners Corp. Casper |
| Casper Supply Company – Casper |
Producers & Refiners Corp. Ft. Laramie |
| Central Coal & Coke Company – Rock Springs |
Producers & Refiners Corp. Parco |
| Chevron Corporation – Evanston |
Provident Savings & Loan – Casper |
| Chevron, United States of America, Inc. – Evanston |
Pure Oil Company – Worland |
| Cheyenne Light Fuel & Pow Cheyenne |
Refinery Casper |
| Chicago, Burlington & Quincy Railroad Co. – Casper |
Rock Springs Power Plant – Rock Springs |
| Chicago, Burlington & Quincy Railroad Co. – Ft. Laramie |
Rocky Mountain Carpet – Casper |
| Church Of Jesus Christ of Latter Day Saints – Laramie |
Rocky Mountain Carpet – Ft. Laramie |
| Colo Tires & Iron Company – Lamine |
S & H Construction Co. – Parco l |
| Colorado Fuel & Iron Company – Lorance |
Sacony Mobil Oil Co. Casper |
| Colorado Oil & Gas – Bitter Creek |
Salt Creek Central Power Station – Salt Creek |
| Colorado Tires & Iron Company – Laramie |
San Francisco Chemical Co. – Leefe |
| Conoco Oil Refinery Glen Rock |
Sheet Metal Products Co. – Cheyenne |
| Construction Specialties Co. – Ft. Laramie |
Sheridan County Electric Company – Sheridan |
| Construction Specialties Co.- Casper |
Sheridan Sugar Company – Sheridan |
| Consumer Oil & Refining Company – New Castle |
Shipping Station – Kirby |
| Continental Oil Company – Glen Rock |
Sinclair Oil Co. – Parco |
| Continental Oil Company – Manville |
Sinclair Oil Co. – Sinclair |
| Continental Oil Company – Midwest |
Sinclair Oil Refinery – Sinclair |
| Conventional Power Plant – Kemmerer |
Sinclair Refining Company – Parco |
| Dave Johnson Station Glenrock |
Socony Mobil Oil Co. Refinery Department Casper |
| Dave. Johnston Steam Electric Plant Glenrock |
Socony Mobil Oil Company – Ft. Laramie |
| Depaul Hospital – Casper |
Socony Vacuum Oil Company – Casper |
| Diamond Coal & Coke Co. – Diamondville |
Socony Vacuum Oil Company – Ft. Laramie |
| Diamond Coal & Coke Co. – Oakley |
Soda Ash Plant – Green River |
| El Paso Natural Gas Co. Opal Gas Plant Opal |
Solvay Process Division – Green River |
| Empire State Oil Co. – Thermopolis |
Standard Oil Co. of Indiana Casper |
| Exxon – Shute Creek |
Standard Oil Company – Ft. Laramie |
| Exxon Chemical Company USA – Shute Creek |
Standard Oil Refinery – Casper |
| F M C Corp. Green River |
Standard Oil Refinery – Ft. Laramie |
| F. E. Warren AFB |
Stanolind Oil Parco |
| Fargo Oil Co. Capser |
Stanolind Oil Powell-Elk Basin |
| Fargo Oil Company – Casper |
Stanolind Pipe Line Company – Ft. Laramie |
| Fire King |
Stanolind Pipeline Co. Grangeer |
| Fisk Engineering – Casper |
Stanolind Pipeline Co. Wamsutter |
| Fisk Engineering Cheyenne |
State Board of Charities & Reformatories – Rock Springs |
| Flight Deck & Maint Building – Warren AFB |
State Insulation River |
| Flour- Utah Engr Construction Douglas |
Stauffer Chemical Co. Green River |
| Fmc Chemical Plant – Green River |
Stauffer Chemical Co. River |
| Fmc Corp. – Green River |
Stauffer Chemical Co. Stauffer |
| FMC Corp. Inorganic Chemicals Division Green River |
Stauffer Chemical Company – Green River |
| FMC Corp. Kemmerer |
Stauffer Chemical Plant Wyoming – Sage |
| FMC Corp. Mine Processing Plant Green River |
Steam Electric Plant Glenrock |
| FMC Corp. Rock Springs |
Steam Power Plant Unit 2 – Glen Rock |
| FMC Corp. Westvaco |
Stonefort Corp. Wyoming, IL |
| FMC Plant Green River |
T.W. Boyer CO. – Green River |
| Food Machinery & Chemical Corp. – Green River |
Teapot Coal Company – Inez |
| Food Machinery & Chemical Corp. – Kemmerer |
Tenneco Oil Company – Sweetwater |
| Ford Machinery & Chemical Corp. – Westvaco |
Texaco Inc. Casper |
| Forest Products Treating Company – Laramie |
Texaco Oil Refinery Casper |
| Frontier Oil – Cheyenne |
Texaco Oil Refinery Wyoming – Evansville |
| Frontier Refinery – Cheyenne |
Texaco Refinery – Casper |
| Frontier Refinery – Cheyenne |
Texaco, Inc. Refinery Casper |
| Frontier Refining Company – Casper |
Texas Co. Cody |
| Frontier Supply Company – Ft. Laramie |
Texas Gulf Sulphur Company – Worland |
| Gas Processors – Rock Springs |
U. S. Bureau of Mines, Alumina Plant Laramie |
| Gas Riverton |
U. S. Industries – Wyatt Industries |
| Gebo Coal Company – Gebo |
U. S. Steel Corp. Atlantic City |
| Georgia Pacific – Lovell |
Union Pacific Coal Co. Cumberland |
| Georgia-Pacific Corp. Lovell |
Union Pacific Coal Co. Hamia |
| Gillette Power Plant – Gillette |
Union Pacific Coal Co. Hanna |
| Glen Rock Powerhouse – Glen Rock |
Union Pacific Coal Co. Predmout |
| Great Western Sugar Co. Wheatland |
Union Pacific Coal Co. Reliance |
| Great Western Sugar Company – Lovell |
Union Pacific Coal Co. Rock Springs |
| Green River Trona Mine Processing Plant Green River |
Union Pacific Coal Co. Winton |
| Holly Sugar Corp. South Terrington |
Union Pacific Plant Casper |
| Holly Sugar Corp. Torington |
Union Pacific Plant Cheyenne |
| Holly Sugar Corp. Worland |
Union Pacific Railroad Co. Casper |
| Homestead Mining Company – Wyodak |
Union Pacific Railroad Co. Cheyenne |
| Hot Springs Light & Power Company – Thermopolis |
Union Pacific Railroad Co. Evanston |
| Husky Oil Co – No 7648 – Warehouse – Cody |
Union Pacific Railroad Co. Green River |
| Husky Oil Co. Cheyenne |
Union Pacific Railroad Co. Laramie |
| Husky Oil Co. Warehouse Nbr 1 Casper |
Union Pacific Railroad Co. Rawlings |
| Husky Oil Company – Casper |
Union Pacific System – Laramie |
| Husky Oil Company – Cody |
Union Tank Car Company – Casper |
| Husky Refining Company – Cody |
United States Bureau Of Mines – Laramie |
| Inorganic Chemicals Division – Westvaco |
University Of Wyoming – Laramie |
| Intermountain Chemical Company – Westvaco |
Us Steel Corporation – Atlantic City |
| Investors Oil Company – Casper |
Utah Oil Refining Co. Granger Station |
| J. W. Denio Milling Company – Sheridan |
Utah Oil Refining Co. Medicine Bow |
| Jefferson Lake Sulphur Co. – Menderson |
Utah Oil Refining Co. Wamsutter |
| Jim Bridger Power Plant – Point of Rocks |
Utah Power & Light Co. Green River |
| Jim Bridger Power Plant Pacific Power & Light Co. – Rock Springs |
Utah Power & Light Co. Kemmerier |
| Jim Bridger Powerhouse – Point of Rocks |
Utah Power & Light Co. Lincoln County |
| Kaiser Engineers, Inc. – Rawlins |
Utah Power & Light Co. Naughton, Unit #1 & 2 Kemmerier |
| Kemmerer Coal Company – Kemmerer |
Utah Power Light Naughton Station Kemmerer |
| Kemmerer Power Plant Unit #2 Kemmerer |
Walker Lumber Co. – Casper |
| Lamar River Station – Wheatland |
Warren Air Force Base – Laramie |
| Lander Electric Light & Power Co. – Lander |
Weskem Co. – Casper |
| Laramie River Power Plant – Wheatland |
West Vaco Chemical Division – Westvaco |
| Left Hand Boiler Moved to Laramie |
West Virginia Power Company – Westvaco |
| Lion Coal Company – Rock Springs |
Wheatland Powerhouse – Wheatland |
| Little America Refining – Evansville |
White Eagle Oil Corporation – Casper |
| Little America Refining Socony Mobil Oil |
Windriver Construction |
| Memorial Hospital – Casper |
Winklemen Dome Field – Riverton |
| Midwest Refining Co. Casper |
Winston Bros. C-O Stauffer Chm Stauffer |
| Midwest Refining Co. Greybull |
Winston Brothers Company – South Torrington |
| Midwest Refining Co. Laramie |
Wycon Chemical Co. – Casper |
| Midwest Refining Co. Mammoth Camp |
Wycon Chemical Co. – Wyco |
| Midwest Refining Co. Salt Creek |
Wycon Chemical Co. Refinery Cheyenne |
| Midwest Refining Co. Teapot |
Wycon Chemical Plant – Cheyenne |
| Missouri Basin Power Project Wheatland |
Wyodak Coal & Manufacturing Co. – Gillette |
| Mobil Oil Company – Casper |
Wyodak Coal & Manufacturing Co. Wyodak |
| Mobile Oil Co. Casper |
Wyodak Coal Mine – Gillette |
| Monolith Portland Midwest Company – Laramie |
Wyodak Plant, Black Hills Power & Light Co. – Wyodak |
| Montana – Dakota Utilities Gas Plant – Worland |
Wyodec Power Plant – Gillette |
| Montana – Dakota Utilities Gas Plant – Bridger |
Wyoming Ave. & G St. Philadelphia, PA |
| Montana- Dakota Utilities Co. Acme Plant Acme |
Wyoming Coal & Iron Company – Alma |
| Montana Dakota Utilities Company – Sheridan |
Wyoming Coal Iron Co. |
| Montana Dakota Utilities Gas Bridger |
Wyoming Colorado Railroad |
| Montana Dakota Utilities Sheridan |
Wyoming Municipal Airport |
| Montana-Dakota Utilities – Meteetse |
Wyoming State Hospital – Evanston |
| Montana-Dakota Utilities Company, Acme Plant – Acme |
Wyoming Sugar Company – Worland |
