| | A C Railroad Service Co (Mc Kees Rocks, PA) Buy & retail railroad cars | |
| | American Railcar Industries (Tennille, GA) Repair railroad cars | |
| | Cudahy Car Shop Inc (Cudahy, WI) Railroad freight cars, rebuilding & repair of railroad cars | |
| | Kasgro Rail Corp (New Castle, PA) Railroad cars | |
| | Mid States Railcar Inc (Clinton, IN) Repair railroad cars | |
| | Pennsy Corp (West Chester, PA) Engineering services for metallic & nonmetallic materials for railroad freight cars & locomotives | |
| | Railway & Industrial Services (Crest Hill, IL) Repairs & rebuilds railroad freight cars | |
| | Rescar Industries (Downers Grove, IL) Railroad services; company is engaged in the repair & remodeling of railroad freight cars | |
| | Thrall Car Manufacturing Co (Winder, GA) Railroad cars & auto racks | |
| | Thrall Car Manufacturing Co (Cartersville, GA) Railroad freight cars | |
| | Thrall Car Manufacturing Co (Taylor, MI) Railroad cars | |
| | Transco Railway Products (Toledo, OH) Repair railroad cars | |
| | Trinity DIFCO Inc (Findlay, OH) Railroad cars | |
| | TTX Co (Chicago, IL) Transportation services; company buys & maintains railroad freight cars for North American railroad companies | |
| | Union Tank Car Co (Valdosta, GA) Clean & repair railroad tank cars | |
