ANR
| Angelina and Neches River Railroad | 1 |
APD
| Albany Port District | 3 |
ARR
| Alaska Railroad | 6 |
ATSF
| Atchison Topeka & Santa Fe | 9 |
BAR
| Bangor & Aroostook | 2 |
BB
| Buckingham Branch | 7 |
BCH
| Southern Railway of British Columbia Limited | 7 |
BCOL
| Canadian National Railways | 1 |
BLE
| Bessemer & Lake Erie | 1 |
BM
| Boston & Maine | 39 |
BN
| Burlington Northern | 4 |
BO
| Baltimore & Ohio | 15 |
BRW
| Black River And Western | 2 |
CBQ
| Chicago Burlington & Quincy | 1 |
CMNW
| Chicago Missouri & Western | 1 |
CMRR
| Catskill Mountain Scenic | 1 |
CN
| Canadian National Railways | 8 |
CNJR
| CNJR | 1 |
CO
| Chesapeake & Ohio | 2 |
CP
| Canadian Pacific Railway | 14 |
CR
| Conrail | 15 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CS
| Colorado & Southern | 2 |
CSX
| CSX Railroad | 5 |
CV
| Central Vermont | 3 |
DH
| Delaware & Hudson | 18 |
DL
| Delaware-Lackawanna Railroad Company | 2 |
DRG
| DRG | 1 |
DRGW
| Denver & Rio Grande Western | 14 |
EBT
| East Broad Top | 1 |
EL
| Erie Lackawanna | 1 |
ERIE
| Erie Railroad | 9 |
FC
| Fulton County Railroad Incorporated | 1 |
FCCA
| FCCA | 1 |
FCP
| Ferrocarril Del Pacifico | 1 |
FNM
| Ferrocarriles Nacionales de Mexico | 6 |
GMRR
| GMRR | 2 |
GSMR
| Great Smoky Mountains | 18 |
GTW
| Grand Trunk Western | 2 |
HVRX
| Heber Valley Historic Railroad | 2 |
KCCX
| Kennecott Utah Copper Corporation | 1 |
LI
| Long Island Rail Road Company | 149 |
LV
| Lehigh Valley | 2 |
MCER
| Massachusetts Central Railroad | 2 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 3 |
MEC
| Maine Central | 7 |
MKT
| Missouri-Kansas-Texas | 2 |
MNCW
| Metro-North Commuter Railroad | 8 |
MNJ
| Middletown & New Jersey Railroad | 11 |
MP
| Missouri Pacific | 12 |
NDEM
| NDEM | 2 |
NECR
| New England Central | 1 |
NH
| New Haven | 7 |
NKP
| Nickel Plate | 2 |
NO
| NO | 1 |
NS
| Norfolk Southern | 8 |
NW
| Norfolk & Western | 1 |
NYA
| New York and Atlantic Railroad | 4 |
NYC
| New York Central | 2 |
NYOW
| New York, Ontario & Western | 1 |
NYSW
| New York Susquehanna & Western | 1 |
ONT
| Ontario Northland Railway | 12 |
PC
| Penn Central | 3 |
PLE
| Pittsburgh & Lake Erie | 1 |
PRR
| Pennsylvania Railroad | 9 |
RBMN
| Reading Blue Mountain & Northern | 6 |
RDG
| Reading Railroad | 10 |
SBD
| Seaboard System | 1 |
SCL
| Seaboard Coast Line | 1 |
SLGW
| Salt Lake Garfield and Western Railway Company | 1 |
SLRS
| SMS Rail Service Incorporated | 2 |
SMVR
| SMVR | 1 |
SOO
| Soo Line | 1 |
SOU
| Southern | 6 |
SP
| Southern Pacific | 8 |
SRC
| Strasburg Railroad | 1 |
SRR
| SRR | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TOYX
| TOYX | 3 |
UCRY
| Utah Central | 6 |
UHRR
| UHRR | 6 |
UP
| Union Pacific Railroad Company | 13 |
W
| W | 1 |
WAB
| Wabash | 3 |
WM
| Western Maryland | 3 |
WPYR
| White Pass & Yukon Route | 6 |
WPZ
| Union Pacific Railroad Company | 1 |
WVN
| Kingswood Northern Incorporated d/b/a West Virginia Northern | 3 |
WW
| Winchester & Western | 3 |
WWRC
| Wilmington and Western Railroad | 4 |