CN
| Canadian National Railways | 2 |
CNA
| Canadian National Railways | 6 |
CNIS
| Canadian National Railways | 2 |
CNW
| Chicago & Northwestern | 1 |
CRLE
| Coe Rail Incorporated | 3 |
CSX
| CSX Railroad | 5 |
DL
| Delaware-Lackawanna Railroad Company | 1 |
DWC
| Canadian National Railways | 3 |
FBOX
| TTX Company | 2 |
GTW
| Grand Trunk Western | 3 |
ICG
| Illinois Central Gulf | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MMA
| Montreal, Maine & Atlantic | 2 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 3 |
SOO
| Soo Line | 1 |
SRY
| Southern Railway of British Columbia Lim | 3 |
TR
| Tomahawk Railway L.P. | 1 |
WC
| Wisconsin Central | 3 |
YARR
| Youngstown and Austintown Railroad | 1 |
YKR
| York Rail | 2 |