AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 10 |
BAEX
| Andersons | 1 |
BCOL
| Canadian National Railways | 5 |
BNSF
| BNSF Railway | 4 |
CN
| Canadian National Railways | 9 |
CNA
| Canadian National Railways | 9 |
CNIS
| Canadian National Railways | 2 |
CP
| Canadian Pacific Railway | 3 |
CSX
| CSX Railroad | 2 |
CV
| Central Vermont | 2 |
CVC
| Canadian National Railways | 1 |
DWC
| Canadian National Railways | 4 |
ELS
| Escanaba and Lake Superior Railroad Comp | 1 |
GTW
| Grand Trunk Western | 4 |
GVSR
| Galveston Railroad L.P. | 1 |
HS
| H and S Railroad Company | 1 |
IATR
| Iowa Traction Railroad Company | 5 |
IBT
| International Bridge and Terminal Company | 1 |
IC
| Illinois Central | 4 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
ONT
| Ontario Northland Railway | 3 |
PAL
| Paducah & Louisville | 2 |
QC
| Quebec Central | 1 |
RBOX
| Railbox Company | 6 |
SLGG
| Progress Rail Services Corporation | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SOO
| Soo Line | 1 |
SOU
| Southern | 2 |
SRY
| Southern Railway of British Columbia Lim | 1 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TBOX
| TTX Company | 9 |
UP
| Union Pacific Railroad Company | 5 |
WC
| Wisconsin Central | 25 |
WCCL
| Wisconsin Central | 13 |
WLO
| Waterloo Railway Company (Illinois Central) | 5 |
WSOR
| Wisconsin & Southern | 1 |