AOK
| Arkansas-Oklahoma Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 11 |
BTTX
| TTX Company - Autoracks | 1 |
CN
| Canadian National Railways | 4 |
CNA
| Canadian National Railways | 3 |
CP
| Canadian Pacific Railway | 2 |
CPAA
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 2 |
CTTX
| TTX Company - Autoracks | 18 |
ETTX
| TTX Company - Autoracks | 56 |
GTW
| Grand Trunk Western | 5 |
KCS
| Kansas City Southern | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 4 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 3 |
PW
| Providence and Worcester | 4 |
SOO
| Soo Line | 3 |
SP
| Southern Pacific | 10 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TOEX
| TOEX | 1 |
TTGX
| TTX Company-Autoracks | 296 |
TTUX
| TTX Company | 4 |
TTXX
| TTX Company | 1 |
UCRY
| Utah Central | 1 |
UP
| Union Pacific Railroad Company | 3 |
WRWK
| Providence & Worchester Railroad | 6 |