AOK
| Arkansas-Oklahoma Railroad | 2 |
BNSF
| BNSF Railway | 16 |
CN
| Canadian National Railways | 5 |
CNA
| Canadian National Railways | 2 |
CP
| Canadian Pacific Railway | 8 |
CPAA
| Canadian Pacific Railway | 2 |
CTTX
| TTX Company - Autoracks | 16 |
ETTX
| TTX Company - Autoracks | 27 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
PW
| Providence and Worcester | 4 |
SFLC
| BNSF Railway | 2 |
SP
| Southern Pacific | 1 |
TOCX
| TTX Company - Autoracks | 2 |
TTGX
| TTX Company-Autoracks | 193 |
UCRY
| Utah Central | 1 |
WRWK
| Providence & Worchester Railroad | 1 |