CSX
| CSX Railroad | 2 |
DLW
| Delaware Lackawanna & Western | 1 |
MPA
| Maryland and Pennsylvania Railroad | 2 |
PPLX
| Pennsylvania Power and Light Company | 2 |
RBMN
| Reading Blue Mountain & Northern | 11 |
SOM
| Somerset Railroad Corporation | 1 |
SOU
| Southern | 1 |
WE
| Wheeling & Lake Erie | 2 |