BNSF
| BNSF Railway | 4 |
FBOX
| TTX Company | 6 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 1 |
MCSA
| Moscow Camden and San Augustine Railroad | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 4 |
MMA
| Montreal, Maine & Atlantic | 3 |
MQT
| Marquette Rail | 18 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
SLR
| St Lawrence & Atlantic | 2 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
WC
| Wisconsin Central | 1 |