AMTK
| Amtrak | 1 |
AOK
| Arkansas-Oklahoma Railroad | 8 |
BNSF
| BNSF Railway | 5 |
CMO
| Chicago St Paul Minneapolis & Omaha | 1 |
CTTX
| TTX Company - Autoracks | 5 |
ETTX
| TTX Company - Autoracks | 49 |
GTW
| Grand Trunk Western | 2 |
KCS
| Kansas City Southern | 5 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 3 |
PW
| Providence and Worcester | 26 |
SFLC
| BNSF Railway | 1 |
SOO
| Soo Line | 10 |
SP
| Southern Pacific | 18 |
SSW
| St Louis Southwestern (Cotton Belt) | 4 |
TTGX
| TTX Company-Autoracks | 308 |
TTUX
| TTX Company | 4 |
WRWK
| Providence & Worchester Railroad | 10 |