CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 1 |
CSX
| CSX Railroad | 1 |
DL
| Delaware-Lackawanna Railroad Company | 1 |
DWC
| Canadian National Railways | 1 |
FBOX
| TTX Company | 2 |
GTW
| Grand Trunk Western | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 4 |
ONT
| Ontario Northland Railway | 1 |
WC
| Wisconsin Central | 2 |
YKR
| York Rail | 1 |