BO
| Baltimore & Ohio | 1 |
CNJ
| Central Rail Road of New Jersey | 3 |
DH
| Delaware & Hudson | 2 |
DLW
| Delaware Lackawanna & Western | 1 |
DODX
| Department Of Defense | 1 |
EL
| Erie Lackawanna | 2 |
ERIE
| Erie Railroad | 1 |
NYC
| New York Central | 1 |
NYSW
| New York Susquehanna & Western | 1 |
PRR
| Pennsylvania Railroad | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 3 |