ADBF
| Adrian and Blissfield Rail Road Company | 1 |
ALS
| Alton & Southern Railway | 2 |
BN
| Burlington Northern | 1 |
CN
| Canadian National Railways | 1 |
CO
| Chesapeake & Ohio | 4 |
CR
| Conrail | 4 |
CRRM
| Colorado Railroad Museum | 1 |
CSX
| CSX Railroad | 3 |
EJE
| Elgin Joliet and Eastern | 1 |
GDLK
| GDLK | 1 |
GTW
| Grand Trunk Western | 1 |
GVNW
| GVNW | 2 |
HESR
| Huron and Eastern | 2 |
IHB
| Indiana Harbor Belt | 2 |
MP
| Missouri Pacific | 4 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 1 |
PC
| Penn Central | 1 |
SLIM
| St Louis, Iron Mountain & Southern | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TRRA
| Terminal RR of St Louis | 3 |
WNYP
| Western New York and Pennsylvania | 2 |