AOK
| Arkansas-Oklahoma Railroad | 1 |
BNSF
| BNSF Railway | 3 |
BRAN
| Brandon Rail | 4 |
CRLE
| Coe Rail Incorporated | 3 |
DTTX
| TTX Company - Double Stack Cars | 7 |
FEC
| Florida East Coast | 6 |
IAIS
| Iowa Interstate | 1 |
KCS
| Kansas City Southern | 1 |
NOKL
| Northwestern Oklahoma | 1 |
SP
| Southern Pacific | 1 |