AOK
| Arkansas-Oklahoma Railroad | 14 |
ATSF
| Atchison Topeka & Santa Fe | 7 |
ATW
| Atlantic and Western | 17 |
BNSF
| BNSF Railway | 40 |
BTTX
| TTX Company - Autoracks | 13 |
CN
| Canadian National Railways | 17 |
CNA
| Canadian National Railways | 23 |
CP
| Canadian Pacific Railway | 29 |
CPAA
| Canadian Pacific Railway | 5 |
CSX
| CSX Railroad | 7 |
ETTX
| TTX Company - Autoracks | 139 |
FEC
| Florida East Coast | 1 |
GTW
| Grand Trunk Western | 13 |
KCS
| Kansas City Southern | 8 |
NS
| Norfolk Southern | 21 |
SOO
| Soo Line | 8 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 11 |
SSW
| St Louis Southwestern (Cotton Belt) | 6 |
TTGX
| TTX Company-Autoracks | 305 |
TTQX
| TTX Company-Autoracks | 5 |
TTUX
| TTX Company | 1 |