AMTK
| Amtrak | 4 |
ARR
| Alaska Railroad | 57 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
BHC
| Black Hills Central | 1 |
BLRX
| BLRX | 4 |
BM
| Boston & Maine | 1 |
BMCX
| Bluewater Michigan Chapter Incorporated | 2 |
BMRX
| BMRX | 1 |
BNSF
| BNSF Railway | 3 |
CESX
| CENTRAL STATES RAIL ASSOCIATES, INC. | 2 |
CM
| Central Montana Rail Incorporated | 2 |
CN
| Canadian National Railways | 3 |
CNJ
| Central Rail Road of New Jersey | 6 |
CP
| Canadian Pacific Railway | 1 |
CSRX
| Conway Scenic Railroad | 5 |
CSX
| CSX Railroad | 10 |
DLW
| Delaware Lackawanna & Western | 3 |
DMIR
| Duluth Missabe & Iron Range | 1 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
EL
| Erie Lackawanna | 1 |
GCR
| GCR | 2 |
GCRX
| Grand Canyon Railway Incorporated | 2 |
GMRC
| Green Mountain RR | 3 |
GN
| Great Northern | 1 |
GTW
| Grand Trunk Western | 2 |
HALX
| Holland American Line - Westours Incorporated | 6 |
IANR
| Iowa Northern Ry | 1 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 1 |
ITAX
| Illinois Transit Assembly Incorporated | 1 |
LCRA
| LCRA | 1 |
MBTA
| Massachusetts Bay Transit Authority | 1 |
ME
| Morristown & Erie Railroad | 6 |
METX
| METRA | 11 |
MH
| Mount Hood Railroad | 6 |
MILW
| Milwaukee Road | 3 |
MLX
| MLX | 1 |
MSEX
| Tour Alaska Inc.Dba Princess Tour | 1 |
NCMX
| North Carolina Transportation Museum | 7 |
NP
| Northern Pacific | 1 |
NS
| Norfolk Southern | 1 |
NVRR
| NAPA Valley Railroad Company | 9 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 1 |
PMCX
| PMCX | 2 |
PPCX
| AAPRCO Register Private Cars | 2 |
PULL
| Pullman | 1 |
RDG
| Reading Railroad | 2 |
RETX
| RETX | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 3 |
RUT
| Vermont Railway Incorporated | 1 |
SGLR
| Seminole Gulf | 4 |
SLCX
| St. Lawrence Cement Inc. | 2 |
SLRG
| San Luis and Rio Grande Railroad | 3 |
SLSR
| SLSR | 1 |
SOU
| Southern | 5 |
SP
| Southern Pacific | 3 |
SPS
| Spokane Portland & Seattle | 2 |
SRC
| Strasburg Railroad | 2 |
SRRL
| SRRL | 1 |
STLI
| STLI | 1 |
TAHO
| TAHO | 1 |
TCRX
| Tennessee Central Railway Musem | 1 |
TVRM
| Tennessee Valley | 7 |
UP
| Union Pacific Railroad Company | 4 |
USFU
| US Department of Defense Air Force | 1 |
UTAX
| Utah Frontrunner | 5 |
VLIX
| Vintage Locomotives Inc | 1 |
VRE
| Virginia Railway Express | 8 |
WEX
| WEX | 4 |
WGNS
| Wisconsin Great Northern Railroad Inc | 2 |
WNYX
| Western New York Railway Historical Society | 1 |
WRHX
| Creative Charters Inc | 2 |