AM
| Arkansas & Missouri | 1 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
CIC
| Cedar Rapids & Iowa City | 1 |
CNW
| Chicago & Northwestern | 3 |
EEC
| East Erie Commercial Railroad | 1 |
FBOX
| TTX Company | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 2 |
HS
| H and S Railroad Company | 1 |
LRS
| Laurinburg and Southern | 1 |
NYC
| New York Central | 1 |
QC
| Quebec Central | 1 |
RBOX
| Railbox Company | 1 |
SLC
| San Luis Central Railroad Company | 1 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 1 |
SRY
| Southern Railway of British Columbia Lim | 1 |
TBOX
| TTX Company | 6 |
UP
| Union Pacific Railroad Company | 1 |