BNSF
| BNSF Railway | 19 |
CN
| Canadian National Railways | 1 |
CPR
| Canadian Pacific Railway | 4 |
CSX
| CSX Railroad | 8 |
ETTX
| TTX Company - Autoracks | 1 |
FXE
| Ferromex | 4 |
KCS
| Kansas City Southern | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 2 |
NS
| Norfolk Southern | 5 |
PW
| Providence and Worcester | 28 |
TNM
| Union Pacific Railroad Company | 1 |
TTGX
| TTX Company-Autoracks | 140 |
UP
| Union Pacific Railroad Company | 1 |
UPL
| UPL | 1 |