AOK
| Arkansas-Oklahoma Railroad | 3 |
BNSF
| BNSF Railway | 2 |
CAIX
| CAI Rail Inc. | 1 |
CP
| Canadian Pacific Railway | 17 |
CSX
| CSX Railroad | 3 |
IARX
| InStar Leasing | 6 |
KCS
| Kansas City Southern | 43 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 7 |
NOKL
| Northwestern Oklahoma | 1 |
TILX
| Trinity Industries Leasing Company | 1 |