ATW
| Atlantic and Western | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 2 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 6 |
CNIS
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 6 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 1 |
DWC
| Canadian National Railways | 2 |
FBOX
| TTX Company | 1 |
ICG
| Illinois Central Gulf | 1 |
NS
| Norfolk Southern | 3 |
SRY
| Southern Railway of British Columbia Lim | 2 |
WC
| Wisconsin Central | 1 |