ABS
| Alabama Southern Railroad | 2 |
BN
| Burlington Northern | 4 |
BNSF
| BNSF Railway | 6 |
CAIX
| CAI Rail Inc. | 1 |
CP
| Canadian Pacific Railway | 7 |
DWC
| Canadian National Railways | 3 |
ICE
| Iowa Chicago and Eastern | 1 |
ITGX
| Andersons - Railgroup | 4 |
LN
| Louisville & Nashville | 1 |
LW
| Louisville and Wadley Railway Company | 4 |
MCEX
| Midwest Railcar Equipment Company | 2 |
MP
| Missouri Pacific | 1 |
NOKL
| Northwestern Oklahoma | 6 |
PMRX
| Progress Metal Reclamation Company | 1 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 6 |
SSW
| St Louis Southwestern (Cotton Belt) | 5 |
TFM
| Kansas City Southern De Mexico | 1 |
TRLX
| Texas Railcar Leasing Company | 1 |
TTJX
| TTX Company-Bulkhead Flats | 9 |
TTPX
| TTX Company - Bulkhead Flats | 49 |
UP
| Union Pacific Railroad Company | 1 |