ATSF
| Atchison Topeka & Santa Fe | 2 |
CR
| Conrail | 1 |
DJTX
| Joseph Transportation Incorporated | 1 |
DME
| Dakota, Minnesota and Eastern | 1 |
DRGW
| Denver & Rio Grande Western | 3 |
GVSR
| Galveston Railroad L.P. | 2 |
LNAC
| Chattahoochee Bay Railroad, LLC | 1 |
MET
| Modesto and Empire Traction Company | 1 |
MP
| Missouri Pacific | 6 |
MR
| McCloud Railway Company | 1 |
NSHR
| North Shore | 5 |
SKRX
| Schuylkill Railcar L.P. | 2 |
SP
| Southern Pacific | 1 |
STE
| Stockton Terminal and Eastern RR | 2 |
USLX
| General Electric Rail Services | 1 |
WCOR
| Wellsboro and Corning Railroad Company | 3 |
WSOR
| Wisconsin & Southern | 5 |
YARR
| Youngstown and Austintown Railroad | 2 |