• Alabama Dry Dock & Shipbuilding
• Archer Daniels Midland
• Baffinland Iron
• Cahokie Marine Service
• CEMEX Cement
• Claymont Steel
• Cumberland Mine RR
• DeBruce Grain Inc.
• Detroit Edison Company
• Ford Motor Company
• Franklin Industrial Minerals
• Freeport-McMoran
• General Motors Corporation (exludes EMDX)
• Granite City Steel
• H & K Group (Haines & Kibblehouse)
• Hudson Bay Mining & Smelting
• IBCX - Indiana Box Corporation
• INCO Rail (Link)
• Kennecott Copper (Link)
• LHoist North America
• Midwest Transload
• Montana Limestone Company
• Oneida & Western (closed)
• Producers Coop Oil Mill
• Parrish & Heimbecker Grain
• Simpson Timber Company
• South Buffalo
• Southern Peru Copper Company
• Transportation Test Center: Pueblo
• U.S. Gypsum (California)
• U.S. Steel - Fairless Works
• U.S. Steel - Homestead Works
• U.S. Steel - Edgar Thompson Works
• U.S. Sugar

• USAF - U.S. Air Force
• USN - U.S. Navy

Railway Contractors / Repair

• Harbor Rail Services
• Harsco - Rail Maintenance Services
• Herzog Railroad Services
• LMIX - Loram Maintenance of Way, Inc.

Miscellaneous (One or Two-Unit) Rosters

• Independent Rail Operators (A to L)
• Independent Rail Operators (M to Z)

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