AMTK
| Amtrak | 26 |
AOK
| Arkansas-Oklahoma Railroad | 11 |
ATSF
| Atchison Topeka & Santa Fe | 6 |
BNSF
| BNSF Railway | 38 |
CN
| Canadian National Railways | 32 |
CNA
| Canadian National Railways | 66 |
COER
| Crab Orchard & Egyptian | 6 |
CP
| Canadian Pacific Railway | 13 |
CPAA
| Canadian Pacific Railway | 2 |
CSX
| CSX Railroad | 3 |
CTTX
| TTX Company - Autoracks | 164 |
ETTX
| TTX Company - Autoracks | 413 |
FXE
| Ferromex | 2 |
GTW
| Grand Trunk Western | 8 |
KCS
| Kansas City Southern | 3 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 10 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 4 |
PW
| Providence and Worcester | 11 |
SOO
| Soo Line | 7 |
SP
| Southern Pacific | 6 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
TTGX
| TTX Company-Autoracks | 1258 |
UCRY
| Utah Central | 1 |
WRWK
| Providence & Worchester Railroad | 6 |