BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 7 |
CNW
| Chicago & Northwestern | 1 |
GBRX
| Greenbrier Leasing Corporation | 1 |
ICG
| Illinois Central Gulf | 1 |
KYLE
| Kyle Railroad | 1 |
RFMX
| Caldwell-Baker Company | 1 |
SMW
| St Marys Railway West LLC | 1 |
SOO
| Soo Line | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 5 |