| # | 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 | Central Railway Manufacturing, LLC | FL, Jacksonville | USA | LDARS systems: Locomotive and Cab Car Event Recorders, specializing in DOT crashworthy, crash hardened memory. Event Recorder Data Playback software. On Board Electronics: Engineer and Crew Alertness Devices. Locomotive Energy Management Devices, TAG & RI |