AOK
| Arkansas-Oklahoma Railroad | 1 |
BNSF
| BNSF Railway | 2 |
CN
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 1 |
KCS
| Kansas City Southern | 2 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 2 |
SOXX
| SMBC RAIL SERVICES LLC | 1 |
TTGX
| TTX Company-Autoracks | 5 |