AA
| Ann Arbor | 41 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
BO
| Baltimore & Ohio | 1 |
CEBX
| Combustion Engineering Incorporated | 1 |
CEI
| Chicago & Eastern Illinois | 1 |
CN
| Canadian National Railways | 4 |
CO
| Chesapeake & Ohio | 8 |
COTX
| GLNX Corp | 1 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CSS
| Chicago South Shore And South Bend | 4 |
CWI
| Chicago and Western Indiana | 1 |
DAFX
| Department of Defence Troop Support and Aviation Material Re | 1 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
DTI
| Detroit Toledo & Ironton | 3 |
ERIE
| Erie Railroad | 1 |
FRA
| Federal Railroad Administration | 1 |
GN
| Great Northern | 1 |
GTW
| Grand Trunk Western | 48 |
ISCX
| ISC Incorporated | 2 |
MIGN
| Michigan Northern | 4 |
MNCW
| Metro-North Commuter Railroad | 1 |
MON
| Monon Route | 1 |
NYC
| New York Central | 4 |
ONT
| Ontario Northland Railway | 2 |
PM
| Pere Marquette | 4 |
SCX
| SCX | 1 |
SSVX
| SSI Industries (M of Way Cars) | 2 |
THB
| Toronto Hamilton & Buffalo | 4 |
TSBY
| Great Lakes Central Railroad | 1 |
UNKN
| UNKN | 1 |
UP
| Union Pacific Railroad Company | 1 |
WAB
| Wabash | 1 |
WP
| Western Pacific | 1 |