ANR
| Angelina and Neches River Railroad | 1 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 2 |
CN
| Canadian National Railways | 10 |
CNA
| Canadian National Railways | 35 |
CNIS
| Canadian National Railways | 6 |
CNW
| Chicago & Northwestern | 3 |
CP
| Canadian Pacific Railway | 1 |
CRLE
| Coe Rail Incorporated | 3 |
CSX
| CSX Railroad | 13 |
CV
| Central Vermont | 1 |
DL
| Delaware-Lackawanna Railroad Company | 2 |
DWC
| Canadian National Railways | 11 |
FBOX
| TTX Company | 12 |
FRR
| Falls Road Railroad Company Incorporated | 1 |
GTW
| Grand Trunk Western | 2 |
IFRX
| Infinity Rail LLC | 3 |
LW
| Louisville and Wadley Railway Company | 2 |
MEC
| Maine Central | 1 |
MMA
| Montreal, Maine & Atlantic | 3 |
NOKL
| Northwestern Oklahoma | 7 |
NS
| Norfolk Southern | 11 |
ONT
| Ontario Northland Railway | 6 |
QC
| Quebec Central | 2 |
SLR
| St Lawrence & Atlantic | 1 |
SOO
| Soo Line | 1 |
SRY
| Southern Railway of British Columbia Lim | 39 |
TR
| Tomahawk Railway L.P. | 6 |
WC
| Wisconsin Central | 64 |
YARR
| Youngstown and Austintown Railroad | 19 |
YKR
| York Rail | 10 |