ACEX
| Altamont Commuter Express | 1 |
AMTK
| Amtrak | 3 |
CDTX
| California DOT | 2 |
JPBX
| Joint Powers Board (CalTrain) | 3 |
MARC
| Maryland Transit Administration | 1 |
PPCX
| AAPRCO Register Private Cars | 8 |
RPCX
| Railroad Passenger Car Numbering Bureau | 1 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 2 |