BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 2 |
COB
| COB | 7 |
COER
| Crab Orchard & Egyptian | 2 |
CSX
| CSX Railroad | 1 |
DR
| Dardanelle and Russellville Railroad Inc | 1 |
DWC
| Canadian National Railways | 1 |
GTW
| Grand Trunk Western | 1 |
KCS
| Kansas City Southern | 1 |
MP
| Missouri Pacific | 1 |
MRL
| Montana Rail Link | 2 |
MWCX
| Midwest Railcar Corporation | 1 |
NOKL
| Northwestern Oklahoma | 1 |
OCE
| Oregon California & Eastern | 1 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SRT
| SRT | 17 |
SRY
| Southern Railway of British Columbia Lim | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TBOX
| TTX Company | 10 |
TIMX
| Trinity Industries Leasing Company | 1 |
TOBX
| TTX Company - Box Cars | 1 |
UP
| Union Pacific Railroad Company | 1 |
USLX
| General Electric Rail Services | 1 |
WC
| Wisconsin Central | 1 |