AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 12 |
BAYL
| Bay Line, LLC | 3 |
BNSF
| BNSF Railway | 33 |
COER
| Crab Orchard & Egyptian | 1 |
CRLE
| Coe Rail Incorporated | 1 |
FBOX
| TTX Company | 28 |
GTW
| Grand Trunk Western | 2 |
HS
| H and S Railroad Company | 5 |
IBT
| International Bridge and Terminal Company | 29 |
IFRX
| Infinity Rail LLC | 1 |
KCS
| Kansas City Southern | 7 |
MP
| Missouri Pacific | 2 |
NOKL
| Northwestern Oklahoma | 11 |
NS
| Norfolk Southern | 3 |
SP
| Southern Pacific | 3 |
TOE
| Texas Oklahoma and Eastern RR Company | 3 |
TOFX
| TTX Company - Box Cars | 1 |
TR
| Tomahawk Railway L.P. | 7 |
UP
| Union Pacific Railroad Company | 2 |