ANR
| Angelina and Neches River Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BCOL
| Canadian National Railways | 1 |
BNSF
| BNSF Railway | 2 |
CNW
| Chicago & Northwestern | 2 |
CO
| Chesapeake & Ohio | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 3 |
DRGW
| Denver & Rio Grande Western | 1 |
EEC
| East Erie Commercial Railroad | 2 |
ELS
| Escanaba and Lake Superior Railroad Comp | 1 |
FBOX
| TTX Company | 1 |
GTW
| Grand Trunk Western | 1 |
HATX
| Helm Financial Corporation | 1 |
HS
| H and S Railroad Company | 1 |
IBT
| International Bridge and Terminal Company | 2 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 3 |
LRS
| Laurinburg and Southern | 1 |
MP
| Missouri Pacific | 7 |
MWCX
| Midwest Railcar Corporation | 1 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 1 |
RBOX
| Railbox Company | 3 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 18 |
SRN
| Sabine River & Northern | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 9 |
TBOX
| TTX Company | 6 |
UP
| Union Pacific Railroad Company | 2 |
WRWK
| Providence & Worchester Railroad | 1 |
WSOR
| Wisconsin & Southern | 1 |