AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 1 |
BKTY
| Union Pacific Railroad Company | 1 |
BNSF
| BNSF Railway | 10 |
CN
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 2 |
CP
| Canadian Pacific Railway | 3 |
CRLE
| Coe Rail Incorporated | 3 |
CSX
| CSX Railroad | 1 |
CUOH
| Columbus and Ohio River Railroad Company | 3 |
FBOX
| TTX Company | 49 |
GTW
| Grand Trunk Western | 6 |
IBT
| International Bridge and Terminal Company | 4 |
KCS
| Kansas City Southern | 2 |
LRS
| Laurinburg and Southern | 3 |
MP
| Missouri Pacific | 1 |
MTNR
| Mississippi Tennessee Railroad LLC | 2 |
NOKL
| Northwestern Oklahoma | 4 |
QC
| Quebec Central | 3 |
SOU
| Southern | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
TOFX
| TTX Company - Box Cars | 1 |
TR
| Tomahawk Railway L.P. | 8 |
UCRY
| Utah Central | 2 |
WFRX
| WELLS FARGO RAIL CORPORATION | 1 |