ACL
| Atlantic Coast Line | 1 |
AMTK
| Amtrak | 38 |
ARR
| Alaska Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 14 |
BN
| Burlington Northern | 4 |
BNSF
| BNSF Railway | 4 |
CBQ
| Chicago Burlington & Quincy | 7 |
CDTX
| California DOT | 1 |
CLPX
| Boulder Scientific Company | 1 |
CO
| Chesapeake & Ohio | 1 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CS
| Colorado & Southern | 1 |
DLMX
| Daylight Locomotives and Machine Works Incorporated | 2 |
GN
| Great Northern | 6 |
LN
| Louisville & Nashville | 4 |
MH
| Mount Hood Railroad | 5 |
MILW
| Milwaukee Road | 1 |
MKT
| Missouri-Kansas-Texas | 1 |
MRSR
| Mount Rainier Scenic | 1 |
NCSL
| Nashville Chattanooga & St Louis | 1 |
NKP
| Nickel Plate | 2 |
NP
| Northern Pacific | 4 |
NW
| Norfolk & Western | 1 |
POTB
| Port of Tillamook Bay | 1 |
PPCX
| AAPRCO Register Private Cars | 7 |
PRR
| Pennsylvania Railroad | 1 |
SAL
| Seaboard Air Line | 1 |
SCL
| Seaboard Coast Line | 2 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 7 |
SPS
| Spokane Portland & Seattle | 1 |
UP
| Union Pacific Railroad Company | 9 |
VRR
| Vaughan Railroad Company | 2 |
WAB
| Wabash | 1 |