AOK
| Arkansas-Oklahoma Railroad | 10 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 9 |
BTTX
| TTX Company - Autoracks | 1 |
CN
| Canadian National Railways | 3 |
CNA
| Canadian National Railways | 3 |
CP
| Canadian Pacific Railway | 3 |
CPAA
| Canadian Pacific Railway | 3 |
CSX
| CSX Railroad | 2 |
ETTX
| TTX Company - Autoracks | 24 |
GTW
| Grand Trunk Western | 3 |
KCS
| Kansas City Southern | 1 |
NS
| Norfolk Southern | 6 |
PW
| Providence and Worcester | 5 |
SOO
| Soo Line | 2 |
SP
| Southern Pacific | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TTGX
| TTX Company-Autoracks | 32 |