AAR
| Association of American Railroads | 2 |
BN
| Burlington Northern | 1 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 2 |
DCCX
| McDonnell Douglas Corporation | 1 |
DLMX
| Daylight Locomotives and Machine Works Incorporated | 2 |
EBT
| East Broad Top | 1 |
EMHU
| EMP | 1 |
FVGS
| FVGS | 1 |
GTW
| Grand Trunk Western | 2 |
ICE
| Iowa Chicago and Eastern | 3 |
IN
| Indiana Northeastern | 2 |
INLX
| Incoal Company | 42 |
ISCX
| ISC Incorporated | 23 |
ISGX
| International Steel Group | 1 |
MBL
| MBL | 1 |
NS
| Norfolk Southern | 3 |
RPCX
| Railroad Passenger Car Numbering Bureau | 2 |
SAS
| South African Railways | 1 |
SPQ
| Union Pacific Railroad Company | 1 |
TCSR
| Norfolk Southern Corporation | 42 |