AOK
| Arkansas-Oklahoma Railroad | 3 |
BNSF
| BNSF Railway | 3 |
BTTX
| TTX Company - Autoracks | 1 |
CN
| Canadian National Railways | 2 |
CNA
| Canadian National Railways | 4 |
CP
| Canadian Pacific Railway | 5 |
ETTX
| TTX Company - Autoracks | 22 |
GTW
| Grand Trunk Western | 3 |
NS
| Norfolk Southern | 3 |
PW
| Providence and Worcester | 4 |
SOO
| Soo Line | 4 |
SP
| Southern Pacific | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TTGX
| TTX Company-Autoracks | 40 |
TTUX
| TTX Company | 9 |