ARMN
| Union Pacific Railroad Company | 12 |
BNSF
| BNSF Railway | 4 |
CRYX
| Cryo-Trans Incorporated | 1 |
CSX
| CSX Railroad | 8 |
MP
| Missouri Pacific | 3 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TPIX
| Tropicana Transportation Corp | 6 |
UP
| Union Pacific Railroad Company | 1 |
WSOR
| Wisconsin & Southern | 3 |
YKR
| York Rail | 5 |