ASV
| Abilene & Smokey Valley | 13 |
ATLT
| Austin Todd and Ladd Railroad Company | 6 |
ATSF
| Atchison Topeka & Santa Fe | 184 |
AW
| AW | 4 |
BN
| Burlington Northern | 19 |
BNG
| Blackwell Northern Gateway Railroad Comp | 5 |
BO
| Baltimore & Ohio | 11 |
CBQ
| Chicago Burlington & Quincy | 14 |
CGW
| Chicago Great Western | 3 |
CIL
| Chicago Indianapolis & Louisville (Monon | 7 |
CN
| Canadian National Railways | 9 |
CNW
| Chicago & Northwestern | 15 |
CO
| Chesapeake & Ohio | 10 |
CR
| Conrail | 5 |
CRIP
| Chicago Rock Island & Pacific | 55 |
CSS
| Chicago South Shore And South Bend | 2 |
CSX
| CSX Railroad | 12 |
DM
| Detroit & Mackinac | 13 |
DRGW
| Denver & Rio Grande Western | 3 |
EJE
| Elgin Joliet and Eastern | 16 |
GN
| Great Northern | 4 |
GNBC
| Grainbelt Corporation | 2 |
IC
| Illinois Central | 11 |
KCS
| Kansas City Southern | 5 |
LN
| Louisville & Nashville | 8 |
LSI
| Lake Superior and Ishpeming Railroad | 13 |
METX
| METRA | 2 |
MILW
| Milwaukee Road | 14 |
MKT
| Missouri-Kansas-Texas | 46 |
MP
| Missouri Pacific | 59 |
NKP
| Nickel Plate | 1 |
NP
| Northern Pacific | 21 |
NW
| Norfolk & Western | 5 |
NYC
| New York Central | 2 |
OKRX
| Oklahoma Railway Museum Ltd | 3 |
PAC
| PAC | 2 |
PRR
| Pennsylvania Railroad | 2 |
SLHX
| SLHX | 2 |
SLSF
| Saint Louis-San Francisco | 23 |
SOO
| Soo Line | 12 |
SP
| Southern Pacific | 2 |
SPCX
| Qwest Communications Corporation | 3 |
SPS
| Spokane Portland & Seattle | 4 |
TPW
| Toledo Peoria & Western | 5 |
UP
| Union Pacific Railroad Company | 137 |
VGN
| Virginian Railway | 4 |
WFS
| West Isle Line Incorporated | 3 |