AMTK
| Amtrak | 16 |
ATIX
| Alstom Transportation | 6 |
BM
| Boston & Maine | 18 |
CMSL
| Cape May Seashore Line | 18 |
CNJ
| Central Rail Road of New Jersey | 2 |
CSX
| CSX Railroad | 10 |
JTFS
| JTFS | 4 |
MBTA
| Massachusetts Bay Transit Authority | 6 |
ME
| Morristown & Erie Railroad | 22 |
NJT
| New Jersey Transit | 16 |
NS
| Norfolk Southern | 8 |
NYC
| New York Central | 62 |
NYSW
| New York Susquehanna & Western | 2 |
PPCX
| AAPRCO Register Private Cars | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 43 |
URHS
| URHS | 5 |
VRIC
| Virginia Rail Investment | 17 |