BNSF
| BNSF Railway | 320 |
BTTX
| TTX Company - Autoracks | 265 |
CN
| Canadian National Railways | 17 |
CNA
| Canadian National Railways | 39 |
CP
| Canadian Pacific Railway | 56 |
CPAA
| Canadian Pacific Railway | 6 |
CTTX
| TTX Company - Autoracks | 158 |
ETTX
| TTX Company - Autoracks | 1 |
FXE
| Ferromex | 4 |
GTW
| Grand Trunk Western | 6 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 73 |
NS
| Norfolk Southern | 40 |
PW
| Providence and Worcester | 39 |
SFLC
| BNSF Railway | 24 |
SOO
| Soo Line | 20 |
SP
| Southern Pacific | 16 |
TGGX
| TGGX | 1 |
TTGX
| TTX Company-Autoracks | 4274 |
UCGY
| UCGY | 1 |
UCRY
| Utah Central | 29 |
UP
| Union Pacific Railroad Company | 27 |
WRWK
| Providence & Worchester Railroad | 16 |