CNA
| Canadian National Railways | 6 |
CRLE
| Coe Rail Incorporated | 3 |
CSX
| CSX Railroad | 8 |
FBOX
| TTX Company | 7 |
KCS
| Kansas City Southern | 2 |
LW
| Louisville and Wadley Railway Company | 1 |
MMA
| Montreal, Maine & Atlantic | 4 |
NS
| Norfolk Southern | 1 |
SRY
| Southern Railway of British Columbia Lim | 2 |
WC
| Wisconsin Central | 11 |
YKR
| York Rail | 1 |