| # | 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 | McDermott Light & Signal | NY, Ridgewood | USA | FRA approved rear end marker lights, electric hand lanterns, warning lights, work area protection equipment, third rail voltage protectors, emergency lights and explosion-proof hand lights for work and inspections. | |
| 4 | Birmingham Rail & Locomotive Company, Inc. | AL, Birmingham | USA | New and relay rail, joint bars, gauge rods, tie plates, track bolts, track spikes, complete turnouts and components; crane rail and accessories; reconditioned locomotives and locomotive parts; locomotive maintenance and 24 hour repair. |