ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 2 |
BCLR
| Bay Colony | 2 |
BCOL
| Canadian National Railways | 1 |
BKTY
| Union Pacific Railroad Company | 1 |
BM
| Boston & Maine | 1 |
BN
| Burlington Northern | 1 |
BO
| Baltimore & Ohio | 1 |
CNW
| Chicago & Northwestern | 3 |
CSX
| CSX Railroad | 1 |
DHNY
| Canadian Pacific (Delaware and Hudson Railway Company Incorp | 1 |
EEC
| East Erie Commercial Railroad | 2 |
FSRR
| FerroSur | 1 |
FXE
| Ferromex | 1 |
GN
| Great Northern | 2 |
HS
| H and S Railroad Company | 9 |
KCS
| Kansas City Southern | 1 |
NSL
| St. Lawrence and Raquette River Railroad | 1 |
NYC
| New York Central | 1 |
RBOX
| Railbox Company | 2 |
SBD
| Seaboard System | 1 |
SOU
| Southern | 3 |
SP
| Southern Pacific | 1 |
TBOX
| TTX Company | 1 |
TPW
| Toledo Peoria & Western | 2 |