ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
BPRR
| Buffalo and Pittsburgh | 6 |
CIC
| Cedar Rapids & Iowa City | 1 |
CSX
| CSX Railroad | 3 |
GVSR
| Galveston Railroad L.P. | 2 |
IATR
| Iowa Traction Railroad Company | 4 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LSRC
| Lake State Railway Company | 1 |
MP
| Missouri Pacific | 4 |
NYC
| New York Central | 1 |
SLC
| San Luis Central Railroad Company | 1 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 21 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
WCCL
| Wisconsin Central | 3 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WP
| Western Pacific | 2 |
YARR
| Youngstown and Austintown Railroad | 3 |
YB
| Youngstown Belt Railroad Company | 2 |