AMTK
| Amtrak | 11 |
CBQ
| Chicago Burlington & Quincy | 4 |
CDTX
| California DOT | 6 |
CNJ
| Central Rail Road of New Jersey | 1 |
CNW
| Chicago & Northwestern | 1 |
CO
| Chesapeake & Ohio | 3 |
CR
| Conrail | 1 |
CS
| Colorado & Southern | 1 |
CSS
| Chicago South Shore And South Bend | 2 |
DH
| Delaware & Hudson | 1 |
GTW
| Grand Trunk Western | 1 |
HJS
| HJS | 1 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 2 |
LIRR
| Long Island Railroad | 1 |
LSE
| LSE | 1 |
MILW
| Milwaukee Road | 1 |
MON
| Monon Route | 1 |
NKP
| Nickel Plate | 3 |
NP
| Northern Pacific | 4 |
NSRX
| Railroading Heritage Of Midwest America | 1 |
NSSR
| NSSR | 2 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 7 |
NYOW
| New York, Ontario & Western | 1 |
PRR
| Pennsylvania Railroad | 1 |
RBBX
| Ringling Bros. and Barnum and Bailey | 2 |
REX
| Railway Express Agency, Inc. | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 1 |
SHRX
| Smoky Hill Railway & Historical Society | 2 |
SLSF
| Saint Louis-San Francisco | 2 |
SPP
| SPP | 1 |