AMTK
| Amtrak | 9 |
BNSF
| BNSF Railway | 6 |
CDTX
| California DOT | 1 |
CN
| Canadian National Railways | 3 |
CSX
| CSX Railroad | 11 |
DMIR
| Duluth Missabe & Iron Range | 1 |
GN
| Great Northern | 2 |
JTCX
| Juniata Terminal | 3 |
LSRX
| Lake Superior Railroad Museum | 2 |
MARC
| Maryland Transit Administration | 3 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 12 |
METX
| METRA | 1 |
MRLX
| Mid America Rail Car Leasing | 2 |
NJT
| New Jersey Transit | 2 |
NP
| Northern Pacific | 1 |
NS
| Norfolk Southern | 1 |
NSRX
| Railroading Heritage Of Midwest America | 3 |
PPCX
| AAPRCO Register Private Cars | 12 |
RPCX
| Railroad Passenger Car Numbering Bureau | 2 |
SLRG
| San Luis and Rio Grande Railroad | 2 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 19 |
UPP
| Union Pacific Passenger | 8 |
VRE
| Virginia Railway Express | 1 |