AOK
| Arkansas-Oklahoma Railroad | 5 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 10 |
CNA
| Canadian National Railways | 6 |
CP
| Canadian Pacific Railway | 1 |
CTTX
| TTX Company - Autoracks | 3 |
ETTX
| TTX Company - Autoracks | 7 |
GTW
| Grand Trunk Western | 4 |
HS
| H and S Railroad Company | 1 |
KCS
| Kansas City Southern | 15 |
LRS
| Laurinburg and Southern | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 8 |
PW
| Providence and Worcester | 5 |
SOO
| Soo Line | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TTGX
| TTX Company-Autoracks | 19 |
UCRY
| Utah Central | 1 |
WRWK
| Providence & Worchester Railroad | 2 |