AOK
| Arkansas-Oklahoma Railroad | 2 |
BCOL
| Canadian National Railways | 1 |
BNSF
| BNSF Railway | 2 |
CN
| Canadian National Railways | 7 |
CSX
| CSX Railroad | 5 |
GAEX
| General American Marks Company | 1 |
ICG
| Illinois Central Gulf | 1 |
MSRC
| Kansas City Southern | 2 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 1 |
TTZX
| TTX Company-Centerbeam Flats | 7 |
UCIR
| Union County Industrial Railroad | 1 |