AOK
| Arkansas-Oklahoma Railroad | 149 |
ATSF
| Atchison Topeka & Santa Fe | 45 |
ATW
| Atlantic and Western | 33 |
BNSF
| BNSF Railway | 308 |
BTTX
| TTX Company - Autoracks | 133 |
CN
| Canadian National Railways | 370 |
CNA
| Canadian National Railways | 544 |
CP
| Canadian Pacific Railway | 347 |
CPAA
| Canadian Pacific Railway | 98 |
CSX
| CSX Railroad | 32 |
CTTX
| TTX Company - Autoracks | 193 |
ETTX
| TTX Company - Autoracks | 7781 |
FEC
| Florida East Coast | 15 |
GTW
| Grand Trunk Western | 157 |
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 | 309 |
PW
| Providence and Worcester | 78 |
RP
| Railpool | 2 |
SOO
| Soo Line | 155 |
SOU
| Southern | 16 |
SP
| Southern Pacific | 308 |
SSW
| St Louis Southwestern (Cotton Belt) | 145 |
TOAX
| TTX Company - Autoracks | 1 |
TOCX
| TTX Company - Autoracks | 12 |
TTEX
| TTX Company - Articulated Flat Cars (TOFC/COFC) | 2 |
TTGX
| TTX Company-Autoracks | 17632 |
TTQX
| TTX Company-Autoracks | 217 |
TTUX
| TTX Company | 42 |
UP
| Union Pacific Railroad Company | 26 |
WRWK
| Providence & Worchester Railroad | 43 |