ACL
| Atlantic Coast Line | 1 |
AMTK
| Amtrak | 169 |
AOE
| American Orient Express | 1 |
AT
| Auto Train | 1 |
ATCX
| Southern Illinois Railcar Incorporated | 2 |
ATSF
| Atchison Topeka & Santa Fe | 4 |
BM
| Boston & Maine | 1 |
BNSF
| BNSF Railway | 42 |
BSVY
| Boone & Scenic Valley Railroad | 1 |
CBQ
| Chicago Burlington & Quincy | 11 |
CDTX
| California DOT | 6 |
CNJ
| Central Rail Road of New Jersey | 1 |
CO
| Chesapeake & Ohio | 4 |
CTC
| CTC | 17 |
DH
| Delaware & Hudson | 1 |
EL
| Erie Lackawanna | 1 |
ERIE
| Erie Railroad | 1 |
FNM
| Ferrocarriles Nacionales de Mexico | 5 |
GMO
| Gulf Mobile & Ohio | 6 |
GN
| Great Northern | 3 |
GVRX
| Grapevine Vintage Railroad | 10 |
IAIS
| Iowa Interstate | 1 |
JPBX
| Joint Powers Board (CalTrain) | 1 |
KCS
| Kansas City Southern | 3 |
LM
| Litchfield & Madison | 2 |
METX
| METRA | 14 |
MP
| Missouri Pacific | 1 |
MTA
| NYC Transit | 2 |
NH
| New Haven | 7 |
NMRX
| New Mexico Department Of Transportation | 1 |
NP
| Northern Pacific | 1 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 8 |
PC
| Penn Central | 35 |
PPCX
| AAPRCO Register Private Cars | 20 |
PRR
| Pennsylvania Railroad | 21 |
RBBX
| Ringling Bros. and Barnum and Bailey | 18 |
RBX
| Ringling Bros. and Barnum and Bailey | 2 |
RPCX
| Railroad Passenger Car Numbering Bureau | 9 |
SAL
| Seaboard Air Line | 2 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 4 |
SCL
| Seaboard Coast Line | 3 |
SDRX
| Central Puget Sound Regional Transit Authority | 22 |
SEMT
| SEMT | 1 |
SLRG
| San Luis and Rio Grande Railroad | 3 |
SLSF
| Saint Louis-San Francisco | 1 |
SP
| Southern Pacific | 5 |
TNO
| Texas & New Orleans | 1 |
TSR
| Texas State Railroad | 5 |
UP
| Union Pacific Railroad Company | 3 |
UPP
| Union Pacific Passenger | 17 |
USAX
| United States Army | 7 |
UTAX
| Utah Frontrunner | 1 |
VRIC
| Virginia Rail Investment | 5 |
WMAT
| WMAT | 2 |
WP
| Western Pacific | 5 |