AOK
| Arkansas-Oklahoma Railroad | 2 |
ATW
| Atlantic and Western | 1 |
CAGY
| Columbus & Greenville Railway | 2 |
CR
| Conrail | 1 |
HS
| H and S Railroad Company | 1 |
KCS
| Kansas City Southern | 1 |
NDYX
| First Union Rail | 1 |
NS
| Norfolk Southern | 17 |
WE
| Wheeling & Lake Erie | 1 |
WRWK
| Providence & Worchester Railroad | 3 |