AOK
| Arkansas-Oklahoma Railroad | 22 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 20 |
CN
| Canadian National Railways | 11 |
CNA
| Canadian National Railways | 33 |
CP
| Canadian Pacific Railway | 14 |
CPAA
| Canadian Pacific Railway | 4 |
CTTX
| TTX Company - Autoracks | 10 |
ETTX
| TTX Company - Autoracks | 128 |
FEC
| Florida East Coast | 4 |
FXE
| Ferromex | 2 |
GTW
| Grand Trunk Western | 10 |
KCSM
| Kansas City Southern De Mexico | 4 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 5 |
NS
| Norfolk Southern | 1 |
PW
| Providence and Worcester | 3 |
SOO
| Soo Line | 3 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 14 |
SSW
| St Louis Southwestern (Cotton Belt) | 6 |
TTGX
| TTX Company-Autoracks | 170 |
WRWK
| Providence & Worchester Railroad | 2 |