| Alton Box Board Plant/Jefferson Smurfit |
Alton |
| Laclede Steel Plant |
Alton |
| Olin |
Alton |
| Owens-Illinois Glass Works |
Alton |
| Owens-Illinois Plant |
Alton |
| Argo Corn Products Power Plant |
Argo |
| Caterpillar Plant |
Aurora |
| Caterpillar Tractor Company |
Aurora |
| Forty-Eight Insulators Plant |
Aurora |
| John Deere Tractor Factory |
Aurora |
| Baldwin Powerhouse |
Baldwin |
| Edward Power Station |
Bartonville |
| Johnson & Johnson Consumer Products Plant |
Bedford Park |
| Scott Air Force Base |
Belleville |
| Chrysler Plant |
Belvidere |
| Clark Oil Refinery |
Blue Island |
| Commonwealth Edison Braidwood Station |
Braceville |
| General Motors Plant |
Brookfield |
| Cahokia Public Water District |
Cahokia |
| Southern Illinois University |
Carbondale |
| Illinois Central Railroad |
Centralia |
| University Of Illinois |
Champaign |
| University Of Illinois Power Plant |
Champaign |
| Argonne National Lab |
Chicago |
| Armour Manufacturing Plant |
Chicago |
| B&O Railroad |
Chicago |
| Calumet Shipyard |
Chicago |
| Campbell’s Soup Plant |
Chicago |
| Carnegie Steel |
Chicago |
| Chicago Powerhouse |
Chicago |
| Commonwealth Edison |
Chicago |
| Container Paper Mill |
Chicago |
| Continental Can Plant |
Chicago |
| Crawford Station Power Plant |
Chicago |
| Danly Machine |
Chicago |
| E J Brach & Sons |
Chicago |
| Equitable Insurance Building |
Chicago |
| General Electric Appliance Plant |
Chicago |
| General Electric Plant |
Chicago |
| General Motors Plant |
Chicago |
| Great Lakes Naval Training Center |
Chicago |
| Hotpoint Appliance Factory |
Chicago |
| Illinois Packing Company |
Chicago |
| Inland Steel Mill |
Chicago |
| International Harvester Plant |
Chicago |
| International Harvester Tractor Plant |
Chicago |
| International Truck & Engine Corp. |
Chicago |
| Marshall Fields Department Store |
Chicago |
| Mobil Oil Refinery |
Chicago |
| Montgomery Ward Building |
Chicago |
| O’Hare International Airport |
Chicago |
| Perk Foods Company |
Chicago |
| Proctor & Gamble Plant |
Chicago |
| Pure Oil Refinery |
Chicago |
| Republic Steel Mill |
Chicago |
| Reynolds Metals Plant |
Chicago |
| Sears, Roebuck Tower |
Chicago |
| Thomas A. Edison Nuclear Power Plant |
Chicago |
| U.S. Steel Mill |
Chicago |
| University Of Chicago |
Chicago |
| W F Hall Printing Company |
Chicago |
| Ward Bakery |
Chicago |
| Western Electric Corporation |
Chicago |
| Wilson & Co.Inc. |
Chicago |
| Wisconsin Steel |
Chicago |
| Abex Plant/Amsco Steel |
Chicago Heights |
| Stauffer Chemical Plant |
Chicago Heights |
| Roth Rubber Plant |
Cicero |
| Western Electric |
Cicero |
| Clinton Power Plant |
Clinton |
| Coffeen Powerhouse |
Coffeen |
| Illinois Power |
Coffeen |
| Commonwealth Edison |
Cordova |
| Cordova Nuclear Powerhouse |
Cordova |
| Quad City Nuclear Powerhouse |
Cordova |
| Danville Powerhouse |
Danville |
| Northern Illinois University |
De Kalb |
| A.E. Staley |
Decatur |
| Archer Daniels Midland (ADM) |
Decatur |
| Baldwin Power Plant |
Decatur |
| Mueller Foundry |
Decatur |
| Staley Corn Products Corn Refining Plant |
Decatur |
| Dresden Nuclear Power Plant |
Dresden |
| Dubuque Powerhouse |
Dubuque |
| Illinois Power Company |
East Alton |
| Olin Corporation aka Western Cartige |
East Alton |
| Apple River Chemical Plant |
East Dubuque |
| Aluminum Ore Plant |
East St. Louis |
| Mobil Oil Refinery |
East St. Louis |
| National Stockyards (Armor Building) |
East St. Louis |
| Evanston Northwestern Healtcare |
Evanston |
| Gates Rubber Company |
Gayleburg |
| Grand Tower Power Station |
Grand Tower |
| American Steel |
Granite City |
| Granite City Steel aka National Steel |
Granite City |
| National Enameling/Stamping Company (NESCO) |
Granite City |
| U.S. Steel Mill |
Granite City |
| Naval Training Center |
Great Lakes |
| Clark Refinery aka Sinclair Refinery |
Hartford |
| Wyman-Gordon Plant |
Harvey |
| Havana Powerhouse |
Havana |
| Illinois Power & Light Powerhouse |
Havana |
| Goodyear Tire & Rubber Plant |
Henry |
| VA Hospital |
Hines |
| Amoco Chemical |
Joliet |
| Commonwealth Edison |
Joliet |
| Joliet Arsenal |
Joliet |
| Joliet Powerhouse |
Joliet |
| Mobil Oil Refinery |
Joliet |
| Petro Chemical Plant |
Joliet |
| U.S. Steel Mill |
Joliet |
| Electric Energy, Inc. (EEI) |
Joppa |
| Joppa Power Plant |
Joppa |
| Joppa Steam Electric Station |
Joppa |
| American Marietta Paint Plant |
Kankakee |
| Dresden Nuclear Plant |
Kankee |
| Walworth Company/ Walworth Boilers (Kewanee Boilers) |
Kewanee |
| Kincaid Steam Plant |
Kincaid |
| General Motors Plant |
La Grange |
| REA Powerhouse |
Lake Of Egypt |
| Union Oil Refinery |
Lamont |
| Pure Oil Refinery |
Lemont |
| Coffeen Powerhouse |
Litchen |
| Pure Oil Refinery |
Lockport |
| Texaco Tank Farm |
Lockport |
| Johns-Manville Plant |
Madison County |
| Lake Of Egypt Powerhouse aka REA Powerhouse |
Marion |
| Marion City Water |
Marion |
| Marion Powerhouse |
Marion |
| Southern Illinois Power Co-Op |
Marion |
| Libby Owens Ford Glass Plant |
Marseilles |
| American Can Plant |
Maywood |
| Reynolds Aluminum Plant |
Mccook |
| International Harvester Company |
Melrose Park |
| Ameron/Cips Power Plant |
Meredosia |
| Meredosia Powerhouse |
Meredosia |
| John Deere Foundry |
Moline |
| Commonwealth Edison |
Morris |
| Dresden Nuclear Plant |
Morris |
| Northern Petro-Chemical Plant |
Morris |
| Caterpillar Experimental Plant |
Mossville |
| Good Samaritan Hospital |
Mt. Vernon |
| Pressed Steel Car Company |
Mt. Vernon |
| Shell Oil Field |
Norris City |
| Forty-Eight Insulation Plant |
North Aurora |
| Abbott Laboratories |
North Chicago |
| Johns-Manville Plant |
Null |
| Eastman Kodak Company |
Oak Brook |
| Libby-Owens Glass Plant |
Ottawa |
| Ottawa Chemical Plant |
Ottawa |
| Velsicol Chemical Plant |
Paris |
| Powerton Power Plant |
Pekin |
| Caterpillar Manufacturing Plant |
Peoria |
| Duck Creek Power Plant |
Peoria |
| Peoria Power Plant |
Peoria |
| Powerton Powerhouse |
Peoria |
| Firestone Electric Wheel |
Quincy |
| Marathon Oil |
Roberts |
| Marathon Oil Refinery |
Robinson |
| International Harvester |
Rock Island |
| Rock Island Millworks |
Rock Island |
| Commonwealth Edison Power Plant (Station No. 9) |
Rockdale |
| Green Brothers Steel Foundry |
Rockford |
| Commonwealth Edison Power Plant (Romeoville Plant) |
Romeoville |
| Johnson & Johnson Plant |
Romeoville |
| Shell Oil Company |
Roxana |
| Cahokia Powerhouse |
Sauget |
| Midwest Rubber |
Sauget |
| Monsanto Chemical Plant |
Sauget |
| Allis-Chalmers Assembly Plant |
Springfield |
| City Of Springfield - CWLP Power Plant |
Springfield |
| Edison Powerhouse |
Springfield |
| Lakeside Powerhouse |
Springfield |
| Springfield Powerhouse |
Springfield |
| St. John’s Hospital |
Springfield |
| State Of Illinois Power Plant |
Springfield |
| Northwestern Steel & Wire |
Sterling |
| Owens-Illinois Glass Plant |
Streator |
| Anaconda Ericsson Wire & Cable Plant |
Sycamore |
| U.S. Industrial Chemical Plant |
Tuscola |
| U.S.I. Engineering Plant |
Tuscola |
| University Of Illinois |
Urbana |
| Wabash Railroad |
Various |
| Illinois Power & Light- Venice Powerhouse |
Venice |
| Commonwealth Edison |
Waukegan |
| Fansteel Metallurgical Shop |
Waukegan |
| Great Lakes Power Plant |
Waukegan |
| Johns-Manville Pipe Plant |
Waukegan |
| U.S. Steel |
Waukegan |
| General Mills Food Plant |
West Chicago |
| West Franklin Powerhouse |
West Franklin |
| General Motors Fisher Body Plant |
Willow Springs |
| Barry Steam Plant |
Winfield |
| Trojan Power Plant |
Wolf Lake |
| American Oil Company (AMOCO) aka Standard Oil |
Wood River |
| Shell Oil Refinery |
Wood River |
| Shell Oil Refinery |
Woodriver |
| Chrysler Corporation |
Belvedere |
| Southern Union Gas Co |
Bloomfield |
| Blue Island School |
Blue Island |
| Centralia School District |
Centralia |
| Centralia Steam |
Centralia |
| AT&T Hawthorne Works Plant |
Chicago |
| Bedger Plant Cooper's Refinery |
Chicago |
| Biron Construction |
Chicago |
| Carriage House Motel |
Chicago |
| Chicago Coit Carpet & Drapery |
Chicago |
| ComED Dresdent Nuclear Powerplant |
Chicago |
| Continental Can Co |
Chicago |
| Cyclone Pipe |
Chicago |
| Durable Rubber |
Chicago |
| Hawthorne Works Plant |
Chicago |
| IBM Building |
Chicago |
| Republic Steel |
Chicago |
| RG Construction Services |
Chicago |
| Skil Tool |
Chicago |
| United States Steel |
Chicago |
| Valley Mold and Iron |
Chicago |
| Wisconsin Steel Works |
Chicago |
| Commonwealth Edison |
Cicero |
| Fairchild AFB |
Davenport |
| Citizen's Bank |
Decatur |
| True Value Hardware |
Decatur |
| York Electronics |
Decatur |
| Blawn-Knox Foundry |
East Chicago |
| Standard Oil Refinery |
East Chicago |
| US Reduction aluminum Smelter |
East Chicago |
| Chicago Bridge & Iron |
Ferndale |
| AO Smith-Granite |
Granite City |
| Ball Glass Company |
Hillsboro |
| Goodyear Plant |
Joliet |
| Union Oil |
Joliet |
| Commonwealth Edison Kincaid Station |
Kincaid |
| Standard Steel Springs |
Madison |
| Fabick Machinery |
Marion |
| John Deere Plant |
Moline |
| Chrysler Dealer |
Murphysboro |
| Continental Can Co |
Oak Brook |
| Benchmark Company |
Oakbrook |
| CB&Q Railroad |
Ottawa |
| Byrd Piston Ring Foundry |
Rockford |
| Case Company |
Rockford |
| Glidden Paint Company |
Rockford |
| Greenlee Brothers |
Rockford |
| Gunite Foundry |
Rockford |
| Madison Foundry |
Rockford |
| O & H Foundry |
Rockford |
| Rockford Drop Forge |
Rockford |
| Sunstrand Machine Tool co |
Rockford |
| Vanron Inc |
Rockford |
| Community Builders |
Skokie |
| East St. Louis Pipeline |
Springfield |
| Pennsylvania Rail Road |
Springfield |
| Steelcraft Inc |
Springfield |
| Petro Chemical Refinery |
Tuscola |
| Johns-Manville |
Waukegan |
| Continental Can Co |
West Chicago |
| Wood River Powerhouse |
Wood River |
