AMTK
| Amtrak | 2 |
BN
| Burlington Northern | 3 |
BNA
| Burlington Northern Business Cars | 7 |
BO
| Baltimore & Ohio | 1 |
BRC
| Belt Railway of Chicago | 3 |
CBQ
| Chicago Burlington & Quincy | 11 |
CNW
| Chicago & Northwestern | 6 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CS
| Colorado & Southern | 2 |
CSS
| Chicago South Shore And South Bend | 1 |
DRGW
| Denver & Rio Grande Western | 4 |
GN
| Great Northern | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
ICG
| Illinois Central Gulf | 2 |
KCS
| Kansas City Southern | 2 |
KJRY
| Keokuk Junction | 2 |
MILW
| Milwaukee Road | 1 |
NKP
| Nickel Plate | 1 |
NP
| Northern Pacific | 1 |
NRHS
| NRHS | 1 |
NYC
| New York Central | 1 |
PPCX
| AAPRCO Register Private Cars | 3 |
SP
| Southern Pacific | 3 |
UP
| Union Pacific Railroad Company | 1 |
UPP
| Union Pacific Passenger | 1 |
WRSR
| WRSR | 3 |