ATSF
| Atchison Topeka & Santa Fe | 57 |
BLE
| Bessemer & Lake Erie | 2 |
BN
| Burlington Northern | 3 |
CR
| Conrail | 7 |
DRGW
| Denver & Rio Grande Western | 3 |
FSRR
| FerroSur | 8 |
FXE
| Ferromex | 12 |
HIRR
| Hainesport Industrial Railroad | 1 |
MRL
| Montana Rail Link | 10 |
NM
| National Railways of Mexico | 1 |
SOU
| Southern | 108 |
TFM
| Kansas City Southern De Mexico | 29 |
UP
| Union Pacific Railroad Company | 23 |
VMTX
| VMTX | 1 |
WAMX
| Webb Asset Management | 2 |
WC
| Wisconsin Central | 2 |