ALAB
| Alabama Railroad | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
CIC
| Cedar Rapids & Iowa City | 2 |
CSX
| CSX Railroad | 5 |
DWC
| Canadian National Railways | 2 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
HS
| H and S Railroad Company | 3 |
IATR
| Iowa Traction Railroad Company | 1 |
LRS
| Laurinburg and Southern | 4 |
MDW
| Minnesota Dakota and Western Railway Com | 2 |
MP
| Missouri Pacific | 2 |
NADX
| General Electric Rail Services | 2 |
NS
| Norfolk Southern | 3 |
NYC
| New York Central | 4 |
SP
| Southern Pacific | 40 |
SRN
| Sabine River & Northern | 1 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 5 |
TASD
| Terminal Alabama State Docks | 1 |
WP
| Western Pacific | 17 |
WRWK
| Providence & Worchester Railroad | 1 |