AOK
| Arkansas-Oklahoma Railroad | 2 |
BNSF
| BNSF Railway | 1 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 6 |
CPAA
| Canadian Pacific Railway | 2 |
CTTX
| TTX Company - Autoracks | 1 |
ETTX
| TTX Company - Autoracks | 62 |
GTW
| Grand Trunk Western | 2 |
NS
| Norfolk Southern | 2 |
PW
| Providence and Worcester | 1 |
SOO
| Soo Line | 2 |
SP
| Southern Pacific | 4 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TTGX
| TTX Company-Autoracks | 119 |
WRWK
| Providence & Worchester Railroad | 1 |