ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 2 |
BTTX
| TTX Company - Autoracks | 4 |
CN
| Canadian National Railways | 2 |
CNA
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 1 |
ETTX
| TTX Company - Autoracks | 10 |
NS
| Norfolk Southern | 2 |
PW
| Providence and Worcester | 1 |
SP
| Southern Pacific | 1 |
TTGX
| TTX Company-Autoracks | 56 |