| # | Name | State, City | Country | Description | |
|---|---|---|---|---|---|
| 1 |
 JMA Railroad Supply Company | IN, Seymour | USA | Factory trained sales representatives to the Class I, Short Line and Industrial Railroads for major manufacturers, including: ABLOY high security padlocks; CML INNOVATIVE TECHNOLOGIES, manufacturer of locomotive bulbs; ENGINEAIR Roots blowers, remanufactu | |
| 2 | JMA Rail Products | IN, Seymour | USA | JMA Rail Products manufactures cast iron brake shoes and is a supplier of: Abloy switch & signal padlocks, aftercoolers, air brakes, air brake components, air compressors, air compressor components, air conditioners & HVAC systems, air filters, air horns, | |
| 3 |
 Multi-Service Supply | PA, Leetsdale | USA | Multi-Service Supply has been reconditioning air brake valves for the railroad industry since 1976. All reconditioning is performed to O.E.M. specifications and is in compliance with the requirements of the Association of American Railroads Quality Assura | |
| 4 | Union Tank Car Company | IL, Chicago | USA | Leasing, sale and repair of tank cars and covered hopper cars. |