ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 1 |
CBPX
| Custom Building Products | 1 |
CMHX
| CarMath Incorporated | 1 |
CNW
| Chicago & Northwestern | 2 |
CSX
| CSX Railroad | 1 |
DRGW
| Denver & Rio Grande Western | 2 |
GACX
| General American Marks Company | 2 |
GAMX
| Arrendadora Nacional De Carros De Ferrocaril | 1 |
MP
| Missouri Pacific | 10 |
OFOX
| RESIDCO | 1 |
RMGX
| Andersons - Railgroup | 2 |
SP
| Southern Pacific | 4 |
UP
| Union Pacific Railroad Company | 1 |