AMTK
| Amtrak | 150 |
ASV
| Abilene & Smokey Valley | 2 |
ATSF
| Atchison Topeka & Santa Fe | 11 |
BNSF
| BNSF Railway | 43 |
CBQ
| Chicago Burlington & Quincy | 21 |
CDOT
| Conneticut Department of Transportation | 2 |
CN
| Canadian National Railways | 2 |
CNW
| Chicago & Northwestern | 8 |
CRIP
| Chicago Rock Island & Pacific | 31 |
CSS
| Chicago South Shore And South Bend | 2 |
EBT
| East Broad Top | 14 |
EL
| Erie Lackawanna | 4 |
ERIE
| Erie Railroad | 1 |
EV
| Everett Railroad | 8 |
GN
| Great Northern | 4 |
HHR
| HHR | 9 |
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 | 10 |
MBTA
| Massachusetts Bay Transit Authority | 41 |
MDRY
| Midland Railway Historical Association | 6 |
METX
| METRA | 46 |
MILW
| Milwaukee Road | 7 |
MP
| Missouri Pacific | 6 |
MTA
| NYC Transit | 5 |
NKP
| Nickel Plate | 7 |
NS
| Norfolk Southern | 1 |
NYC
| New York Central | 1 |
OKRX
| Oklahoma Railway Museum Ltd | 4 |
PPCX
| AAPRCO Register Private Cars | 7 |
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 | 5 |
SCL
| Seaboard Coast Line | 15 |
SHRX
| Smoky Hill Railway & Historical Society | 17 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 3 |
UP
| Union Pacific Railroad Company | 2 |
UPP
| Union Pacific Passenger | 9 |
VRE
| Virginia Railway Express | 40 |
WRHX
| Creative Charters Inc | 8 |