AC
| Algoma Central | 4 |
ADBF
| Adrian and Blissfield Rail Road Company | 10 |
ADIX
| Adirondack Railway Preservation Society | 1 |
AMTK
| Amtrak | 62 |
ATSF
| Atchison Topeka & Santa Fe | 4 |
BAR
| Bangor & Aroostook | 1 |
BHC
| Black Hills Central | 1 |
BIRR
| Bellingham International Railroad LLC | 1 |
BLRX
| BLRX | 2 |
BO
| Baltimore & Ohio | 5 |
CBQ
| Chicago Burlington & Quincy | 8 |
CN
| Canadian National Railways | 2 |
CNJ
| Central Rail Road of New Jersey | 5 |
CNRY
| Cincinnati Railway | 7 |
CNW
| Chicago & Northwestern | 10 |
CO
| Chesapeake & Ohio | 3 |
CPMY
| Coopersville & Marne Railway | 4 |
CR
| Conrail | 3 |
CRC
| CRC | 16 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CS
| Colorado & Southern | 1 |
CSS
| Chicago South Shore And South Bend | 3 |
CTVX
| Cleveland Terminal and Valley Railway Incorporated | 3 |
DH
| Delaware & Hudson | 1 |
DLMX
| Daylight Locomotives and Machine Works Incorporated | 1 |
DM
| Detroit & Mackinac | 8 |
DRGW
| Denver & Rio Grande Western | 1 |
FWRH
| FWRH | 2 |
FWRX
| FWRX | 2 |
GN
| Great Northern | 4 |
GOLD
| GOLD | 1 |
GSM
| Great Smokey Mountains Railway | 2 |
GSMR
| Great Smoky Mountains | 3 |
GTW
| Grand Trunk Western | 11 |
IC
| Illinois Central | 9 |
INVX
| Invista S A R L | 1 |
IR
| Illinois Railnet | 3 |
KCS
| Kansas City Southern | 2 |
LN
| Louisville & Nashville | 6 |
LSE
| LSE | 1 |
MC
| Mass Coastal | 2 |
MILW
| Milwaukee Road | 3 |
MRLX
| Mid America Rail Car Leasing | 4 |
MSTX
| MSTX | 9 |
NKP
| Nickel Plate | 11 |
NP
| Northern Pacific | 10 |
NW
| Norfolk & Western | 4 |
NYC
| New York Central | 12 |
OCEM
| OCEM | 2 |
OE
| Oregon Electric | 1 |
PLE
| Pittsburgh & Lake Erie | 1 |
PM
| Pere Marquette | 1 |
PPCX
| AAPRCO Register Private Cars | 1 |
PRR
| Pennsylvania Railroad | 10 |
RBBX
| Ringling Bros. and Barnum and Bailey | 4 |
RBMN
| Reading Blue Mountain & Northern | 2 |
RPCX
| Railroad Passenger Car Numbering Bureau | 18 |
SLSF
| Saint Louis-San Francisco | 2 |
SLU
| SLU | 1 |
SOU
| Southern | 16 |
SP
| Southern Pacific | 8 |
SPP
| SPP | 1 |
SPS
| Spokane Portland & Seattle | 4 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TSCX
| The Steel Company of Canada, Ltd. | 5 |
TVRM
| Tennessee Valley | 2 |
UP
| Union Pacific Railroad Company | 7 |
UPP
| Union Pacific Passenger | 5 |
USAX
| United States Army | 10 |
WAB
| Wabash | 1 |
WSOR
| Wisconsin & Southern | 1 |