AMTK
| Amtrak | 8 |
CDTX
| California DOT | 15 |
CNW
| Chicago & Northwestern | 3 |
CSS
| Chicago South Shore And South Bend | 2 |
DSNG
| Durango & Silverton Narrow Gauge Railroa | 1 |
GN
| Great Northern | 4 |
LSE
| LSE | 1 |
MILW
| Milwaukee Road | 1 |
NYC
| New York Central | 1 |
RBBX
| Ringling Bros. and Barnum and Bailey | 1 |
SBRX
| SBRX | 1 |
SLU
| SLU | 1 |
SP
| Southern Pacific | 6 |
SRYC
| Sierra Railway Company of California | 7 |
UP
| Union Pacific Railroad Company | 4 |
UPP
| Union Pacific Passenger | 15 |
USAF
| US Air Force | 1 |
VT
| Virginia & Truckee | 1 |
WP
| Western Pacific | 2 |
YV
| YV | 2 |