ACL
| Atlantic Coast Line | 1 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
BGFX
| Barnabus Group Foundation | 1 |
BN
| Burlington Northern | 18 |
BNSF
| BNSF Railway | 1 |
BO
| Baltimore & Ohio | 12 |
BOCT
| CSX Transportation (Baltimore & Ohio Chicago Terminal Railro | 1 |
CBQ
| Chicago Burlington & Quincy | 3 |
CEI
| Chicago & Eastern Illinois | 2 |
CG
| Central Of Georgia | 1 |
CGW
| Chicago Great Western | 1 |
CGX
| CGX | 3 |
CIL
| Chicago Indianapolis & Louisville (Monon | 3 |
CNW
| Chicago & Northwestern | 4 |
CO
| Chesapeake & Ohio | 15 |
CR
| Conrail | 11 |
CRIP
| Chicago Rock Island & Pacific | 2 |
CRRM
| Colorado Railroad Museum | 1 |
CSX
| CSX Railroad | 15 |
CWC
| Charleston & Western Carolina | 2 |
DODX
| Department Of Defense | 3 |
DRGW
| Denver & Rio Grande Western | 1 |
DT
| Decatur Junction Railway Company | 1 |
DUPX
| Du Pont De Nemours and Company Incorporated | 1 |
EJE
| Elgin Joliet and Eastern | 4 |
GMO
| Gulf Mobile & Ohio | 6 |
IC
| Illinois Central | 48 |
ICG
| Illinois Central Gulf | 21 |
IHB
| Indiana Harbor Belt | 4 |
IM
| IM | 2 |
INRD
| Indiana Railroad | 4 |
ITC
| Illinois Terminal Railroad | 1 |
JFSX
| Jfs Railcar | 1 |
KBS
| KBS | 2 |
LERX
| PSI Energy Incorporated | 3 |
LN
| Louisville & Nashville | 6 |
METX
| METRA | 1 |
MILW
| Milwaukee Road | 2 |
MON
| Monon Route | 1 |
MP
| Missouri Pacific | 19 |
NCSL
| Nashville Chattanooga & St Louis | 1 |
NCST
| NCST | 1 |
NKP
| Nickel Plate | 5 |
NP
| Northern Pacific | 3 |
NS
| Norfolk Southern | 5 |
NW
| Norfolk & Western | 19 |
NYC
| New York Central | 1 |
PAL
| Paducah & Louisville | 2 |
PE
| Peoria & Eastern | 1 |
PRR
| Pennsylvania Railroad | 5 |
RI
| RI | 1 |
SBD
| Seaboard System | 2 |
SCL
| Seaboard Coast Line | 5 |
SLIM
| St Louis, Iron Mountain & Southern | 5 |
SOO
| Soo Line | 2 |
SOU
| Southern | 5 |
SP
| Southern Pacific | 1 |
TC
| Temple & Central Texas | 1 |
TCRX
| Tennessee Central Railway Musem | 1 |
TEXX
| TEXX | 1 |
TPW
| Toledo Peoria & Western | 1 |
TRRA
| Terminal RR of St Louis | 2 |
UP
| Union Pacific Railroad Company | 13 |
WAB
| Wabash | 8 |
WBCR
| Wabash Central | 2 |
WM
| Western Maryland | 2 |