AAR
| Association of American Railroads | 3 |
AFT
| AMERICAN FREEDOM TRAIN FOUNDATION | 1 |
AMTK
| Amtrak | 5 |
ATSF
| Atchison Topeka & Santa Fe | 7 |
BN
| Burlington Northern | 2 |
BSRX
| Branson Scenic | 1 |
CA
| Chesapeake & Albemarle | 3 |
CBQ
| Chicago Burlington & Quincy | 4 |
CGW
| Chicago Great Western | 6 |
CNSM
| CHICAGO NORTH SHORE & MILWAUKEE RWY | 1 |
CNW
| Chicago & Northwestern | 2 |
CRIP
| Chicago Rock Island & Pacific | 3 |
DLMX
| Daylight Locomotives and Machine Works Incorporated | 1 |
GLRX
| Georgetown Loop Railroad Incorporated | 1 |
GPEX
| General American Pfaudler | 1 |
IC
| Illinois Central | 12 |
LN
| Louisville & Nashville | 1 |
MILW
| Milwaukee Road | 9 |
MP
| Missouri Pacific | 2 |
MSTL
| Minneapolis & St Louis | 6 |
NP
| Northern Pacific | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SP
| Southern Pacific | 6 |
SRC
| Strasburg Railroad | 1 |
UP
| Union Pacific Railroad Company | 1 |
WAB
| Wabash | 3 |