AOK
| Arkansas-Oklahoma Railroad | 3 |
BNSF
| BNSF Railway | 10 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 2 |
CRLE
| Coe Rail Incorporated | 1 |
DWC
| Canadian National Railways | 2 |
KCS
| Kansas City Southern | 3 |
LW
| Louisville and Wadley Railway Company | 2 |
MTNR
| Mississippi Tennessee Railroad LLC | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 3 |
NOKL
| Northwestern Oklahoma | 1 |
NRLX
| CIT Group/Capital Finance, Inc | 3 |
NS
| Norfolk Southern | 4 |
SMW
| St Marys Railway West LLC | 1 |
TBOX
| TTX Company | 118 |
TILX
| Trinity Industries Leasing Company | 1 |
TOBX
| TTX Company - Box Cars | 1 |
TR
| Tomahawk Railway L.P. | 3 |
UP
| Union Pacific Railroad Company | 3 |