AGR
| Alabama and Gulf Coast | 1 |
ATW
| Atlantic and Western | 2 |
BCOL
| Canadian National Railways | 1 |
BR
| Buffalo and Pittsburgh | 1 |
CN
| Canadian National Railways | 4 |
CNA
| Canadian National Railways | 1 |
CNIS
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 1 |
CPAA
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 13 |
EEC
| East Erie Commercial Railroad | 4 |
GNRR
| Georgia Northeastern | 5 |
GTW
| Grand Trunk Western | 2 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 1 |
NS
| Norfolk Southern | 5 |
ONT
| Ontario Northland Railway | 1 |
SLGG
| Progress Rail Services Corporation | 3 |
SOU
| Southern | 7 |
WLO
| Waterloo Railway Company (Illinois Central) | 4 |