ADN
| Ashley Drew & Northern | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 2 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 1 |
CIRR
| Chattahoochee Industrial Railroad | 3 |
CSX
| CSX Railroad | 1 |
FSR
| Fort Smith Railroad Company | 1 |
LRS
| Laurinburg and Southern | 1 |
SLC
| San Luis Central Railroad Company | 1 |
SP
| Southern Pacific | 47 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
WP
| Western Pacific | 7 |
WRWK
| Providence & Worchester Railroad | 1 |