AOK
| Arkansas-Oklahoma Railroad | 11 |
APLX
| APL Land Transport Services Incorporated | 1 |
ATW
| Atlantic and Western | 14 |
BNSF
| BNSF Railway | 427 |
BRAN
| Brandon Rail | 272 |
CSX
| CSX Railroad | 24 |
DTTX
| TTX Company - Double Stack Cars | 607 |
FSRR
| FerroSur | 1 |
ITFX
| INFINITY TRANSPORTATION III LLC | 19 |
NOKL
| Northwestern Oklahoma | 16 |
SP
| Southern Pacific | 173 |
WRWK
| Providence & Worchester Railroad | 5 |