ANR
| Angelina and Neches River Railroad | 1 |
ATW
| Atlantic and Western | 1 |
CNA
| Canadian National Railways | 4 |
CNW
| Chicago & Northwestern | 1 |
CO
| Chesapeake & Ohio | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 2 |
EEC
| East Erie Commercial Railroad | 1 |
FXE
| Ferromex | 2 |
GATX
| General American Marks Company | 2 |
GMO
| Gulf Mobile & Ohio | 2 |
GTW
| Grand Trunk Western | 5 |
HS
| H and S Railroad Company | 1 |
IC
| Illinois Central | 3 |
ICG
| Illinois Central Gulf | 1 |
KCS
| Kansas City Southern | 1 |
KCSM
| Kansas City Southern De Mexico | 1 |
LRS
| Laurinburg and Southern | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 2 |
NS
| Norfolk Southern | 2 |
NW
| Norfolk & Western | 2 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TBOX
| TTX Company | 5 |
UP
| Union Pacific Railroad Company | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 6 |
WSOR
| Wisconsin & Southern | 1 |