ADN
| Ashley Drew & Northern | 1 |
AGR
| Alabama and Gulf Coast | 2 |
BCOL
| Canadian National Railways | 1 |
BM
| Boston & Maine | 2 |
CN
| Canadian National Railways | 8 |
CNIS
| Canadian National Railways | 3 |
CNW
| Chicago & Northwestern | 3 |
CO
| Chesapeake & Ohio | 2 |
CP
| Canadian Pacific Railway | 2 |
CPAA
| Canadian Pacific Railway | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 3 |
DRGW
| Denver & Rio Grande Western | 1 |
DUPX
| Du Pont De Nemours and Company Incorporated | 2 |
DWC
| Canadian National Railways | 3 |
FSRR
| FerroSur | 1 |
FXE
| Ferromex | 1 |
GTW
| Grand Trunk Western | 3 |
IATR
| Iowa Traction Railroad Company | 1 |
KCS
| Kansas City Southern | 1 |
LRS
| Laurinburg and Southern | 1 |
MRL
| Montana Rail Link | 2 |
MSDR
| Knoxville & Holston River Railroad | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NS
| Norfolk Southern | 1 |
NW
| Norfolk & Western | 2 |
ONT
| Ontario Northland Railway | 2 |
RBOX
| Railbox Company | 1 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TBOX
| TTX Company | 1 |
TFM
| Kansas City Southern De Mexico | 1 |
THB
| Toronto Hamilton & Buffalo | 2 |
WC
| Wisconsin Central | 1 |
WRWK
| Providence & Worchester Railroad | 1 |
WSOR
| Wisconsin & Southern | 2 |