BNSF
| BNSF Railway | 2 |
CHP
| Ferrocarriles Nacionales de Mexico | 2 |
CN
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 1 |
FCCM
| Compania de Ferrocarriles Chiapas Mayab | 15 |
FSRR
| FerroSur | 1 |
FXE
| Ferromex | 43 |
MILW
| Milwaukee Road | 1 |
MM
| MM | 4 |
NOKL
| Northwestern Oklahoma | 2 |
SOO
| Soo Line | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 9 |
TFM
| Kansas City Southern De Mexico | 9 |
TTPX
| TTX Company - Bulkhead Flats | 44 |
UMP
| Upper Merion and Plymouth Railroad | 1 |
UP
| Union Pacific Railroad Company | 3 |
WCTR
| WCTU Company White City Terminal Railway | 7 |