AGR
| Alabama and Gulf Coast | 4 |
AM
| Arkansas & Missouri | 1 |
AOK
| Arkansas-Oklahoma Railroad | 3 |
BCOL
| Canadian National Railways | 2 |
BNSF
| BNSF Railway | 1 |
CN
| Canadian National Railways | 23 |
CNA
| Canadian National Railways | 14 |
CNIS
| Canadian National Railways | 8 |
CP
| Canadian Pacific Railway | 5 |
CRLE
| Coe Rail Incorporated | 5 |
CSX
| CSX Railroad | 2 |
CVC
| Canadian National Railways | 2 |
DME
| Dakota, Minnesota and Eastern | 1 |
DWC
| Canadian National Railways | 4 |
EEC
| East Erie Commercial Railroad | 1 |
FBOX
| TTX Company | 2 |
FCRD
| First Coast Railway | 1 |
FXE
| Ferromex | 1 |
GACX
| General American Marks Company | 1 |
GMRC
| Green Mountain RR | 1 |
GTW
| Grand Trunk Western | 4 |
HLMX
| Helm Financial Corporation | 1 |
HS
| H and S Railroad Company | 3 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 1 |
LW
| Louisville and Wadley Railway Company | 6 |
MDW
| Minnesota Dakota and Western Railway Com | 3 |
MEC
| Maine Central | 2 |
MMA
| Montreal, Maine & Atlantic | 6 |
NDYX
| First Union Rail | 1 |
NS
| Norfolk Southern | 2 |
NYC
| New York Central | 1 |
PGR
| Progressive Rail, Inc | 1 |
RBOX
| Railbox Company | 3 |
SLC
| San Luis Central Railroad Company | 2 |
SLR
| St Lawrence & Atlantic | 5 |
SP
| Southern Pacific | 1 |
TBOX
| TTX Company | 2 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
TR
| Tomahawk Railway L.P. | 5 |
WC
| Wisconsin Central | 9 |
YKR
| York Rail | 3 |