BNSF
| BNSF Railway | 14 |
CRLE
| Coe Rail Incorporated | 1 |
FBOX
| TTX Company | 32 |
IBT
| International Bridge and Terminal Company | 6 |
MDW
| Minnesota Dakota and Western Railway Com | 2 |
MP
| Missouri Pacific | 2 |
MRL
| Montana Rail Link | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
SP
| Southern Pacific | 11 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
UP
| Union Pacific Railroad Company | 3 |
VCY
| Galveston Railroad, L.P. | 1 |