ATSF
| Atchison Topeka & Santa Fe | 48 |
BN
| Burlington Northern | 10 |
BS
| Birmingham Southern RR | 1 |
CBQ
| Chicago Burlington & Quincy | 1 |
CS
| Colorado & Southern | 2 |
DRGW
| Denver & Rio Grande Western | 1 |
DTI
| Detroit Toledo & Ironton | 1 |
FXE
| Ferromex | 1 |
GACX
| General American Marks Company | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GONX
| Railgon Company | 1 |
JOSX
| Rail Connection, Inc | 1 |
JTSX
| Joseph Transportation Incorporated | 1 |
MILW
| Milwaukee Road | 1 |
MP
| Missouri Pacific | 3 |
MWCX
| Midwest Railcar Corporation | 2 |
NSAX
| National Steel Corporation | 3 |
NYC
| New York Central | 2 |
SFS
| Santa Fe Southern | 5 |
SLSF
| Saint Louis-San Francisco | 1 |
SPSX
| Progress Rail Services Corp | 1 |
UP
| Union Pacific Railroad Company | 1 |
YARR
| Youngstown and Austintown Railroad | 1 |