ACL
| Atlantic Coast Line | 1 |
ADBF
| Adrian and Blissfield Rail Road Company | 1 |
ALAB
| Alabama Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
BLE
| Bessemer & Lake Erie | 1 |
BN
| Burlington Northern | 15 |
BO
| Baltimore & Ohio | 9 |
BSV
| BSV | 1 |
CBQ
| Chicago Burlington & Quincy | 4 |
CGW
| Chicago Great Western | 3 |
CIL
| Chicago Indianapolis & Louisville (Monon | 1 |
CNW
| Chicago & Northwestern | 4 |
CO
| Chesapeake & Ohio | 6 |
CP
| Canadian Pacific Railway | 3 |
CR
| Conrail | 6 |
CRIP
| Chicago Rock Island & Pacific | 2 |
CSS
| Chicago South Shore And South Bend | 1 |
CSX
| CSX Railroad | 7 |
DRGW
| Denver & Rio Grande Western | 2 |
EJE
| Elgin Joliet and Eastern | 3 |
GTW
| Grand Trunk Western | 2 |
IAIS
| Iowa Interstate | 4 |
IC
| Illinois Central | 6 |
ICG
| Illinois Central Gulf | 2 |
METX
| METRA | 1 |
MILW
| Milwaukee Road | 2 |
MKT
| Missouri-Kansas-Texas | 2 |
MP
| Missouri Pacific | 9 |
MRL
| Montana Rail Link | 2 |
MSO
| Michigan Southern | 4 |
NKP
| Nickel Plate | 2 |
NS
| Norfolk Southern | 5 |
NSHR
| North Shore | 1 |
NW
| Norfolk & Western | 4 |
NYC
| New York Central | 2 |
PC
| Penn Central | 1 |
PREX
| Pioneer Rail Equipment | 1 |
PRR
| Pennsylvania Railroad | 3 |
SAL
| Seaboard Air Line | 2 |
SBD
| Seaboard System | 4 |
SCL
| Seaboard Coast Line | 2 |
SLSF
| Saint Louis-San Francisco | 1 |
SMRS
| Springfield (MO) Railway Services | 2 |
SOO
| Soo Line | 2 |
SOU
| Southern | 2 |
UP
| Union Pacific Railroad Company | 13 |
WAB
| Wabash | 5 |
WBCR
| Wabash Central | 3 |
WFS
| West Isle Line Incorporated | 1 |
XRSX
| XRSX | 1 |