AMTK
| Amtrak | 73 |
BNSF
| BNSF Railway | 1 |
BRMX
| Berkshire Railway Museum Inc | 1 |
CBQ
| Chicago Burlington & Quincy | 1 |
CDOT
| Conneticut Department of Transportation | 8 |
CDTX
| California DOT | 2 |
CSRX
| Conway Scenic Railroad | 3 |
DOTX
| USDOT/Federal Railroad Administration | 2 |
DRGW
| Denver & Rio Grande Western | 1 |
EL
| Erie Lackawanna | 2 |
FGLK
| Finger Lakes Railway | 3 |
GLRX
| Georgetown Loop Railroad Incorporated | 1 |
GOT
| GO Transit | 1 |
GU
| Grafton and Upton Railroad Company | 1 |
MARC
| Maryland Transit Administration | 6 |
MBTA
| Massachusetts Bay Transit Authority | 132 |
METX
| METRA | 9 |
MNCR
| Metro North Commuter Railway | 8 |
MNRX
| Minnesota Northstar | 6 |
MPP
| MPP | 4 |
NJT
| New Jersey Transit | 26 |
NYC
| New York Central | 9 |
PPCX
| AAPRCO Register Private Cars | 12 |
PRR
| Pennsylvania Railroad | 1 |
PW
| Providence and Worcester | 1 |
RBBX
| Ringling Bros. and Barnum and Bailey | 3 |
RBMN
| Reading Blue Mountain & Northern | 12 |
RPCX
| Railroad Passenger Car Numbering Bureau | 1 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 1 |
SDNX
| Coaster | 4 |
ST
| Springfield Terminal | 19 |
TRCX
| Florida Tri-Rail | 16 |
UP
| Union Pacific Railroad Company | 2 |
UTA
| UTA | 8 |
VIA
| Via Rail Canada | 1 |
VRE
| Virginia Railway Express | 1 |