ACL
| Atlantic Coast Line | 1 |
ADBF
| Adrian and Blissfield Rail Road Company | 1 |
AMTK
| Amtrak | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 17 |
CBQ
| Chicago Burlington & Quincy | 1 |
CO
| Chesapeake & Ohio | 1 |
CP
| Canadian Pacific Railway | 2 |
DJBX
| Donald J. Bertel d/b/a Gandy Dancer Incorporated | 1 |
DOTX
| USDOT/Federal Railroad Administration | 3 |
GECX
| General Electric Company | 2 |
GMO
| Gulf Mobile & Ohio | 1 |
HBRY
| Hudson Bay Railway Company | 1 |
MKT
| Missouri-Kansas-Texas | 1 |
NKP
| Nickel Plate | 1 |
NP
| Northern Pacific | 1 |
PPCX
| AAPRCO Register Private Cars | 9 |
RDG
| Reading Railroad | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 1 |
SBD
| Seaboard System | 1 |
TSE
| Texas South-Eastern Railroad Company | 1 |
UP
| Union Pacific Railroad Company | 2 |
UPP
| Union Pacific Passenger | 1 |