| # | Name | State, City | Country | Description | |
|---|---|---|---|---|---|
| 1 |
 R & W Machine Division/Warner Industries, Inc. | IL, Bedford Park | USA | Locomotive, Combo, Traction Motor & Wheel Shop Services: Combo teardown and build up, Traction Motor Remanufacturing, Wheelset processing with new wheels or turned wheels. Roller bearing motor suspension units (MSU/BTR/U-tube) reconditioned and rebuilt. S | |
| 2 |
 EngineAir, Inc. | IN, Seymour | USA | ISO 9001 2008, AAR M-1003 Certified/Registered, EMD Roots Blowers: UTEX/Repair & Return/Outright, GE Water Pumps: UTEX/Repair & Return, GE Intercoolers: New Outright/Repair & Return, GE Oil Coolers: Repair & Return, GE Fuel Preheaters: Repair & Return, GE | |
| 3 | 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. | |
| 4 | K & L Electronics Sales & Service, Inc. | AR, Searcy | USA | Repair of electronic locomotive equipment; module cards; speed indicators; voltage regulators; contactors; relays; used locomotive parts for sale. | |
| 5 | Diesel Electrical Equipment, Inc. | IN, Griffith | USA | Specializing in the OEM repair and reconditioning, unit exchange and sale of locomotive electrical components and material. These components include power contactors, reverser switches, controller mechanisms, silicon controlled rectifier assemblies, motor |