BNSF
| BNSF Railway | 3 |
CN
| Canadian National Railways | 1 |
CO
| Chesapeake & Ohio | 1 |
CSX
| CSX Railroad | 1 |
CTTX
| TTX Company - Autoracks | 588 |
ETTX
| TTX Company - Autoracks | 534 |
GTW
| Grand Trunk Western | 7 |
KCS
| Kansas City Southern | 2 |
NSF
| NSF | 1 |
TTGX
| TTX Company-Autoracks | 3 |
UP
| Union Pacific Railroad Company | 9 |