ATSF
| Atchison Topeka & Santa Fe | 3 |
BNSF
| BNSF Railway | 1 |
CNA
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 1 |
ETTX
| TTX Company - Autoracks | 6 |
KCSM
| Kansas City Southern De Mexico | 1 |
PW
| Providence and Worcester | 1 |
SP
| Southern Pacific | 7 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TTGX
| TTX Company-Autoracks | 35 |