ABS
| Alabama Southern Railroad | 4 |
BCOL
| Canadian National Railways | 2 |
BNSF
| BNSF Railway | 6 |
CAIX
| CAI Rail Inc. | 1 |
CN
| Canadian National Railways | 10 |
CNW
| Chicago & Northwestern | 1 |
DWC
| Canadian National Railways | 4 |
HLSC
| Hampton Railway Incorporated | 2 |
IANR
| Iowa Northern Ry | 1 |
KCS
| Kansas City Southern | 6 |
LW
| Louisville and Wadley Railway Company | 2 |
MCEX
| Midwest Railcar Equipment Company | 1 |
MWNX
| MWNX | 1 |
NOKL
| Northwestern Oklahoma | 5 |
OTDX
| Greenbrier Leasing Corporation | 1 |
PEYX
| Transportation Technology Services Inc | 4 |
PRSX
| Progress Rail Service | 2 |
RDRX
| RDRX | 1 |
RTEX
| Rail Trusts Equipment Incorporated | 1 |
SBD
| Seaboard System | 2 |
SNC
| Saratoga & North Creek Railway | 2 |
SOU
| Southern | 8 |
SP
| Southern Pacific | 3 |
SR
| Kansas City Southern | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 8 |
TFM
| Kansas City Southern De Mexico | 25 |
TOE
| Texas Oklahoma and Eastern RR Company | 3 |
TOPX
| TOPX | 1 |
TR
| Tomahawk Railway L.P. | 1 |
TTPX
| TTX Company - Bulkhead Flats | 29 |
UCRY
| Utah Central | 1 |
UP
| Union Pacific Railroad Company | 4 |