BN
| Burlington Northern | 1 |
CMRR
| Catskill Mountain Scenic | 4 |
CN
| Canadian National Railways | 3 |
CNJ
| Central Rail Road of New Jersey | 4 |
CP
| Canadian Pacific Railway | 8 |
CR
| Conrail | 16 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CRRN
| CRRN | 1 |
DH
| Delaware & Hudson | 3 |
DLW
| Delaware Lackawanna & Western | 1 |
EL
| Erie Lackawanna | 4 |
ERIE
| Erie Railroad | 1 |
FWD
| Fort Worth & Denver | 1 |
HZRX
| HZRX | 12 |
LHR
| Lehigh & Hudson River | 1 |
LI
| Long Island Rail Road Company | 2 |
LMIX
| Loram Maintenance of Way Inc. | 3 |
LNE
| Lehigh and New England Ry | 1 |
ME
| Morristown & Erie Railroad | 1 |
MP
| Missouri Pacific | 2 |
NJT
| New Jersey Transit | 1 |
NS
| Norfolk Southern | 5 |
NYSW
| New York Susquehanna & Western | 16 |
PC
| Penn Central | 2 |
PRR
| Pennsylvania Railroad | 2 |
RPCX
| Railroad Passenger Car Numbering Bureau | 6 |
RRRR
| Rock and Rail Incorporated | 1 |
SCIH
| South Chicago & Indiana Harbor Railway C | 1 |
SP
| Southern Pacific | 1 |
TEXX
| TEXX | 7 |
TP
| Texas & Pacific | 1 |