BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 1 |
CNA
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 2 |
GTW
| Grand Trunk Western | 2 |
KCS
| Kansas City Southern | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
NADX
| General Electric Rail Services | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 3 |
ONT
| Ontario Northland Railway | 2 |
QC
| Quebec Central | 3 |
SRY
| Southern Railway of British Columbia Lim | 1 |
WC
| Wisconsin Central | 2 |