AMTK
| Amtrak | 31 |
AOK
| Arkansas-Oklahoma Railroad | 12 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
BNSF
| BNSF Railway | 11 |
BTTX
| TTX Company - Autoracks | 1 |
CN
| Canadian National Railways | 11 |
CNA
| Canadian National Railways | 16 |
CP
| Canadian Pacific Railway | 8 |
CPAA
| Canadian Pacific Railway | 2 |
CSX
| CSX Railroad | 2 |
ETTX
| TTX Company - Autoracks | 205 |
GTW
| Grand Trunk Western | 9 |
KCS
| Kansas City Southern | 3 |
NS
| Norfolk Southern | 20 |
PW
| Providence and Worcester | 11 |
SOO
| Soo Line | 5 |
SOU
| Southern | 4 |
SP
| Southern Pacific | 18 |
SSW
| St Louis Southwestern (Cotton Belt) | 9 |
TTGX
| TTX Company-Autoracks | 513 |
TTUX
| TTX Company | 1 |
WRWK
| Providence & Worchester Railroad | 11 |