BN
| Burlington Northern | 1 |
CNW
| Chicago & Northwestern | 1 |
CR
| Conrail | 3 |
CSX
| CSX Railroad | 1 |
DJTX
| Joseph Transportation Incorporated | 1 |
DME
| Dakota, Minnesota and Eastern | 4 |
DRGW
| Denver & Rio Grande Western | 2 |
GFRR
| Georgia and Florida Railnet | 1 |
GNRR
| Georgia Northeastern | 2 |
GVSR
| Galveston Railroad L.P. | 2 |
HPJX
| Helm-Pacific Leasing | 2 |
MET
| Modesto and Empire Traction Company | 3 |
MP
| Missouri Pacific | 1 |
NSHR
| North Shore | 4 |
SKRX
| Schuylkill Railcar L.P. | 2 |
SP
| Southern Pacific | 19 |
SSW
| St Louis Southwestern (Cotton Belt) | 12 |
STE
| Stockton Terminal and Eastern RR | 2 |
SVRR
| Shamokin Valley Railroad Company | 3 |
TCWR
| Twin Cities and Western | 2 |
UP
| Union Pacific Railroad Company | 1 |
WCOR
| Wellsboro and Corning Railroad Company | 2 |
WSOR
| Wisconsin & Southern | 6 |
YARR
| Youngstown and Austintown Railroad | 1 |
YKR
| York Rail | 1 |