AOK
| Arkansas-Oklahoma Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 4 |
CN
| Canadian National Railways | 3 |
CNA
| Canadian National Railways | 3 |
CPAA
| Canadian Pacific Railway | 3 |
CTTX
| TTX Company - Autoracks | 4 |
ETTX
| TTX Company - Autoracks | 177 |
GTW
| Grand Trunk Western | 4 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 5 |
NS
| Norfolk Southern | 6 |
PW
| Providence and Worcester | 6 |
SOO
| Soo Line | 6 |
SOU
| Southern | 3 |
SP
| Southern Pacific | 10 |
SSW
| St Louis Southwestern (Cotton Belt) | 11 |
THRX
| Transportation Corporation of America | 1 |
TTGX
| TTX Company-Autoracks | 229 |
TTNX
| TTX Company | 1 |
WRWK
| Providence & Worchester Railroad | 1 |