ATW
| Atlantic and Western | 5 |
BN
| Burlington Northern | 2 |
BR
| Buffalo and Pittsburgh | 1 |
CIRR
| Chattahoochee Industrial Railroad | 4 |
CN
| Canadian National Railways | 15 |
CNA
| Canadian National Railways | 19 |
CNIS
| Canadian National Railways | 23 |
CNW
| Chicago & Northwestern | 2 |
CP
| Canadian Pacific Railway | 61 |
CPAA
| Canadian Pacific Railway | 20 |
CSX
| CSX Railroad | 15 |
GNRR
| Georgia Northeastern | 1 |
GTW
| Grand Trunk Western | 29 |
HCRY
| Huron Central Railway | 1 |
HS
| H and S Railroad Company | 36 |
IANR
| Iowa Northern Ry | 40 |
ICG
| Illinois Central Gulf | 1 |
KCS
| Kansas City Southern | 1 |
NS
| Norfolk Southern | 36 |
OAR
| Old Augusta Railroad | 3 |
ONT
| Ontario Northland Railway | 1 |
SOU
| Southern | 57 |
WLO
| Waterloo Railway Company (Illinois Central) | 2 |
WRWK
| Providence & Worchester Railroad | 6 |
YVRR
| Yadkin Valley | 3 |