AOK
| Arkansas-Oklahoma Railroad | 4 |
BCOL
| Canadian National Railways | 2 |
BM
| Boston & Maine | 1 |
BPRR
| Buffalo and Pittsburgh | 3 |
CMHX
| CarMath Incorporated | 1 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 5 |
CPAA
| Canadian Pacific Railway | 1 |
CR
| Conrail | 47 |
CSX
| CSX Railroad | 23 |
DLWR
| Depew Lancaster and Western Railroad Com | 1 |
DTI
| Detroit Toledo & Ironton | 2 |
DUPX
| Du Pont De Nemours and Company Incorporated | 1 |
DWC
| Canadian National Railways | 1 |
FBOX
| TTX Company | 3 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GTW
| Grand Trunk Western | 10 |
HS
| H and S Railroad Company | 2 |
KCS
| Kansas City Southern | 1 |
LRS
| Laurinburg and Southern | 2 |
NADX
| General Electric Rail Services | 1 |
NS
| Norfolk Southern | 205 |
NW
| Norfolk & Western | 49 |
NYC
| New York Central | 30 |
RBOX
| Railbox Company | 5 |
SGLR
| Seminole Gulf | 1 |
SLGG
| Progress Rail Services Corporation | 1 |
SLR
| St Lawrence & Atlantic | 2 |
SOU
| Southern | 72 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TBOX
| TTX Company | 4 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 1 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WP
| Western Pacific | 2 |
WSOR
| Wisconsin & Southern | 2 |