AMTK
| Amtrak | 1 |
ATSF
| Atchison Topeka & Santa Fe | 5 |
CDOT
| Conneticut Department of Transportation | 4 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CSRX
| Conway Scenic Railroad | 3 |
CTS
| Cumbres & Toltec Scenic | 2 |
DM
| Detroit & Mackinac | 2 |
DRGW
| Denver & Rio Grande Western | 2 |
EL
| Erie Lackawanna | 1 |
FWWR
| Fort Worth and Western | 3 |
GVRX
| Grapevine Vintage Railroad | 1 |
HHR
| HHR | 3 |
MARC
| Maryland Transit Administration | 1 |
MEC
| Maine Central | 2 |
NCBX
| New Century Rail Transport LLC | 1 |
PPCX
| AAPRCO Register Private Cars | 2 |
RMSX
| Pandrol Jackson Incorporated | 2 |
RPCX
| Railroad Passenger Car Numbering Bureau | 3 |
RRVH
| RRVH | 1 |
SLRG
| San Luis and Rio Grande Railroad | 6 |
WFT
| WFT | 1 |
WRHX
| Creative Charters Inc | 2 |