AA
| Ann Arbor | 1 |
ABOX
| TTX Company | 3 |
AGR
| Alabama and Gulf Coast | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
ALY
| Allegheny and Eastern Railroad Incorpora | 2 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 4 |
BNSF
| BNSF Railway | 6 |
BO
| Baltimore & Ohio | 1 |
BR
| Buffalo and Pittsburgh | 2 |
CIC
| Cedar Rapids & Iowa City | 2 |
CIRR
| Chattahoochee Industrial Railroad | 2 |
CLC
| Columbia and Cowlitz Railway Company | 1 |
CN
| Canadian National Railways | 10 |
CNA
| Canadian National Railways | 4 |
CNIS
| Canadian National Railways | 3 |
CNW
| Chicago & Northwestern | 4 |
CP
| Canadian Pacific Railway | 44 |
CPAA
| Canadian Pacific Railway | 1 |
CRLE
| Coe Rail Incorporated | 9 |
CSX
| CSX Railroad | 4 |
DME
| Dakota, Minnesota and Eastern | 5 |
DMM
| Dansville and Mount Morris Railroad Comp | 1 |
DWC
| Canadian National Railways | 8 |
EE
| Ellis and Eastern Company | 1 |
EEC
| East Erie Commercial Railroad | 8 |
ELS
| Escanaba and Lake Superior Railroad Comp | 1 |
FBOX
| TTX Company | 11 |
FCRD
| First Coast Railway | 3 |
FGLK
| Finger Lakes Railway | 1 |
FRR
| Falls Road Railroad Company Incorporated | 1 |
GMRC
| Green Mountain RR | 1 |
GNRR
| Georgia Northeastern | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 2 |
GTW
| Grand Trunk Western | 4 |
HLMX
| Helm Financial Corporation | 5 |
HS
| H and S Railroad Company | 5 |
IANR
| Iowa Northern Ry | 4 |
IATR
| Iowa Traction Railroad Company | 12 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 10 |
LBR
| Lowville and Beaver River Railroad Compa | 2 |
LRS
| Laurinburg and Southern | 3 |
LW
| Louisville and Wadley Railway Company | 11 |
MB
| Meridian & Bigbee | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 3 |
MEC
| Maine Central | 1 |
MKT
| Missouri-Kansas-Texas | 2 |
MP
| Missouri Pacific | 4 |
MPA
| Maryland and Pennsylvania Railroad | 1 |
MWCX
| Midwest Railcar Corporation | 1 |
NOKL
| Northwestern Oklahoma | 18 |
NS
| Norfolk Southern | 17 |
NW
| Norfolk & Western | 5 |
PC
| Penn Central | 1 |
QC
| Quebec Central | 4 |
RBOX
| Railbox Company | 5 |
RPMX
| RPMG INC | 3 |
SCL
| Seaboard Coast Line | 2 |
SOU
| Southern | 4 |
SP
| Southern Pacific | 11 |
SRN
| Sabine River & Northern | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TBOX
| TTX Company | 28 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
TR
| Tomahawk Railway L.P. | 41 |
TSCX
| The Steel Company of Canada, Ltd. | 1 |
UP
| Union Pacific Railroad Company | 7 |
WC
| Wisconsin Central | 9 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WP
| Western Pacific | 1 |
WREX
| Western Railroad Equipment Company | 1 |
WRWK
| Providence & Worchester Railroad | 2 |
WSOR
| Wisconsin & Southern | 1 |