AOK
| Arkansas-Oklahoma Railroad | 151 |
ATSF
| Atchison Topeka & Santa Fe | 55 |
ATW
| Atlantic and Western | 34 |
BNSF
| BNSF Railway | 322 |
BTTX
| TTX Company - Autoracks | 151 |
CN
| Canadian National Railways | 404 |
CNA
| Canadian National Railways | 603 |
CP
| Canadian Pacific Railway | 392 |
CPAA
| Canadian Pacific Railway | 106 |
CSX
| CSX Railroad | 32 |
CTTX
| TTX Company - Autoracks | 201 |
ETTX
| TTX Company - Autoracks | 8801 |
FEC
| Florida East Coast | 17 |
GTW
| Grand Trunk Western | 172 |
GVSR
| Galveston Railroad L.P. | 1 |
KCS
| Kansas City Southern | 54 |
KCSM
| Kansas City Southern De Mexico | 8 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 9 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 348 |
PW
| Providence and Worcester | 89 |
SOO
| Soo Line | 169 |
SOU
| Southern | 18 |
SP
| Southern Pacific | 349 |
SSW
| St Louis Southwestern (Cotton Belt) | 166 |
TOAX
| TTX Company - Autoracks | 1 |
TOCX
| TTX Company - Autoracks | 12 |
TTGX
| TTX Company-Autoracks | 19562 |
TTQX
| TTX Company-Autoracks | 228 |
TTUX
| TTX Company | 45 |
UP
| Union Pacific Railroad Company | 26 |
WRWK
| Providence & Worchester Railroad | 48 |