AMTK
| Amtrak | 255 |
ASV
| Abilene & Smokey Valley | 4 |
ATSF
| Atchison Topeka & Santa Fe | 18 |
BNSF
| BNSF Railway | 49 |
CBQ
| Chicago Burlington & Quincy | 24 |
CDOT
| Conneticut Department of Transportation | 2 |
CN
| Canadian National Railways | 5 |
CNW
| Chicago & Northwestern | 8 |
CRIP
| Chicago Rock Island & Pacific | 33 |
CSS
| Chicago South Shore And South Bend | 2 |
DRGW
| Denver & Rio Grande Western | 2 |
EL
| Erie Lackawanna | 4 |
ERIE
| Erie Railroad | 5 |
GN
| Great Northern | 4 |
HHR
| HHR | 9 |
KRXX
| KRXX | 4 |
LIRR
| Long Island Railroad | 7 |
LN
| Louisville & Nashville | 4 |
LNER
| London North Eastern Railway | 5 |
LSI
| Lake Superior and Ishpeming Railroad | 16 |
MARC
| Maryland Transit Administration | 13 |
MBTA
| Massachusetts Bay Transit Authority | 46 |
MDRY
| Midland Railway Historical Association | 13 |
METX
| METRA | 66 |
MILW
| Milwaukee Road | 8 |
MP
| Missouri Pacific | 6 |
MTA
| NYC Transit | 5 |
NJTR
| NJ Transit Rail Operations | 1 |
NKP
| Nickel Plate | 7 |
NYC
| New York Central | 1 |
OKRX
| Oklahoma Railway Museum Ltd | 4 |
PPCX
| AAPRCO Register Private Cars | 14 |
RBBX
| Ringling Bros. and Barnum and Bailey | 11 |
RFP
| Richmond Fredericksburg & Potomac | 6 |
RNCX
| North Carolina Dept Of Transportation | 3 |
RNRH
| RNRH | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 27 |
SCL
| Seaboard Coast Line | 15 |
SHRX
| Smoky Hill Railway & Historical Society | 17 |
SLSF
| Saint Louis-San Francisco | 3 |
SP
| Southern Pacific | 1 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 3 |
UP
| Union Pacific Railroad Company | 2 |
UPP
| Union Pacific Passenger | 10 |
VIA
| Via Rail Canada | 1 |
VRE
| Virginia Railway Express | 48 |
WRHX
| Creative Charters Inc | 8 |