ABOX
| TTX Company | 2 |
ACIS
| Algoma Central Railway Incorporated | 1 |
ADN
| Ashley Drew & Northern | 1 |
AERC
| Albany and Eastern Railroad Company | 1 |
AGR
| Alabama and Gulf Coast | 1 |
AHW
| Fox Valley and Western Limited | 5 |
AKMD
| Arkansas Midland Railroad Company | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
AMTK
| Amtrak | 9 |
AN
| Apalachicola Northern | 3 |
AOK
| Arkansas-Oklahoma Railroad | 13 |
APA
| Apache Railway Company | 2 |
ARR
| Alaska Railroad | 58 |
ATSF
| Atchison Topeka & Santa Fe | 33 |
ATW
| Atlantic and Western | 3 |
AZER
| Arizona Eastern Railway Company | 2 |
BCH
| Southern Railway of British Columbia Limited | 4 |
BCIT
| Canadian National Railways | 1 |
BCOL
| Canadian National Railways | 13 |
BENX
| Investors Property Service | 1 |
BKTY
| Union Pacific Railroad Company | 18 |
BMS
| Berlin Mills | 1 |
BN
| Burlington Northern | 65 |
BNSF
| BNSF Railway | 35 |
BO
| Baltimore & Ohio | 1 |
CBQ
| Chicago Burlington & Quincy | 6 |
CC
| Chicago Central & Pacific | 1 |
CCR
| Corinth & Counce | 1 |
CEI
| Chicago & Eastern Illinois | 2 |
CG
| Central Of Georgia | 1 |
CHTT
| Chicago Heights Terminal Transfer | 3 |
CHW
| Chesapeake Western | 1 |
CIBX
| CIT Group/Capital Finance, Inc | 1 |
CLC
| Columbia and Cowlitz Railway Company | 3 |
CMNW
| Chicago Missouri & Western | 1 |
CN
| Canadian National Railways | 30 |
CNA
| Canadian National Railways | 12 |
CNIS
| Canadian National Railways | 7 |
CNW
| Chicago & Northwestern | 34 |
CO
| Chesapeake & Ohio | 4 |
COER
| Crab Orchard & Egyptian | 12 |
CP
| Canadian Pacific Railway | 30 |
CPPX
| Consolidated Papers Incorporated | 1 |
CR
| Conrail | 13 |
CRLE
| Coe Rail Incorporated | 5 |
CRR
| Clinchfield | 1 |
CSX
| CSX Railroad | 6 |
DNE
| Duluth and Northeastern Railroad Company | 1 |
DODX
| Department Of Defense | 5 |
DRGW
| Denver & Rio Grande Western | 4 |
DTI
| Detroit Toledo & Ironton | 1 |
DTS
| Detroit & Toledo ShoreLine | 2 |
DWC
| Canadian National Railways | 19 |
EACH
| East Camden and Highland | 1 |
EEC
| East Erie Commercial Railroad | 2 |
EFCX
| Evergreen Freight Car Company | 1 |
EL
| Erie Lackawanna | 1 |
ELS
| Escanaba and Lake Superior Railroad Comp | 2 |
FBOX
| TTX Company | 13 |
FCRD
| First Coast Railway | 1 |
FDDM
| Fort Dodge Des Moines & Southern | 1 |
FSRR
| FerroSur | 3 |
FWD
| Fort Worth & Denver | 1 |
FXE
| Ferromex | 3 |
GACX
| General American Marks Company | 2 |
GBW
| Green Bay & Western | 3 |
GMO
| Gulf Mobile & Ohio | 1 |
GMSR
| Kansas City Southern | 3 |
GN
| Great Northern | 13 |
GNRR
| Georgia Northeastern | 1 |
GTW
| Grand Trunk Western | 8 |
GVSR
| Galveston Railroad L.P. | 3 |
HCRC
| Hillsdale County Ry. Co., Inc. | 1 |
HLMX
| Helm Financial Corporation | 1 |
HPJX
| Helm-Pacific Leasing | 2 |
HS
| H and S Railroad Company | 6 |
HTCX
| General Electric Rail Services | 1 |
IANR
| Iowa Northern Ry | 1 |
IATR
| Iowa Traction Railroad Company | 1 |
IBT
| International Bridge and Terminal Company | 11 |
IC
| Illinois Central | 6 |
ICG
| Illinois Central Gulf | 10 |
ITC
| Illinois Terminal Railroad | 1 |
KCS
| Kansas City Southern | 3 |
LC
| Lancaster & Chester | 1 |
LINC
| Lewis and Clark Railway Company | 1 |
LN
| Louisville & Nashville | 2 |
LNAC
| Chattahoochee Bay Railroad, LLC | 9 |
LOVX
| American Colloid Company | 1 |
LPN
| Longview, Portland & Northern | 1 |
LRS
| Laurinburg and Southern | 7 |
LSRX
| Lake Superior Railroad Museum | 2 |
LUNX
| General Electric Rail Services | 3 |
LW
| Louisville and Wadley Railway Company | 3 |
MB
| Meridian & Bigbee | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 4 |
MEC
| Maine Central | 3 |
MILW
| Milwaukee Road | 55 |
MISS
| Mississippian Railway Cooperative Incorporated | 1 |
MKT
| Missouri-Kansas-Texas | 2 |
MMRR
| Mid-Michigan Railroad Incorporated | 1 |
MNS
| Minneapolis Northfield & Southern | 1 |
MOD
| MOD | 1 |
MP
| Missouri Pacific | 50 |
MPA
| Maryland and Pennsylvania Railroad | 1 |
MR
| McCloud Railway Company | 10 |
MRL
| Montana Rail Link | 29 |
MSCA
| MSCA | 1 |
MSE
| Mississippi Export Railroad Company | 1 |
MSRC
| Kansas City Southern | 3 |
MTNR
| Mississippi Tennessee Railroad LLC | 1 |
MWCX
| Midwest Railcar Corporation | 4 |
NADX
| General Electric Rail Services | 4 |
NAR
| Northern Alberta Railways | 2 |
NIRC
| NIRC | 1 |
NKP
| Nickel Plate | 1 |
NLG
| Kansas City Southern Railway Company (North Louisiana & Gulf) | 2 |
NOKL
| Northwestern Oklahoma | 12 |
NP
| Northern Pacific | 15 |
NRLX
| CIT Group/Capital Finance, Inc | 7 |
NS
| Norfolk Southern | 12 |
NW
| Norfolk & Western | 10 |
NYC
| New York Central | 3 |
OCE
| Oregon California & Eastern | 1 |
OKKT
| Union Pacific Railroad Company | 2 |
ONT
| Ontario Northland Railway | 1 |
PC
| Penn Central | 3 |
PGE
| Pacific Great Eastern | 2 |
PLE
| Pittsburgh & Lake Erie | 1 |
PRR
| Pennsylvania Railroad | 1 |
QC
| Quebec Central | 5 |
QOCX
| Quaker Oats Company | 1 |
RBCS
| RBCS | 1 |
RBOX
| Railbox Company | 17 |
RDG
| Reading Railroad | 1 |
RFP
| Richmond Fredericksburg & Potomac | 2 |
RH
| RH | 1 |
RI
| RI | 1 |
ROCK
| Rock Island | 2 |
SAN
| Sandersville | 2 |
SBD
| Seaboard System | 4 |
SCFX
| SCFX | 1 |
SCL
| Seaboard Coast Line | 6 |
SFLC
| BNSF Railway | 1 |
SFRB
| Santa Fe | 1 |
SGLR
| Seminole Gulf | 4 |
SLC
| San Luis Central Railroad Company | 3 |
SLR
| St Lawrence & Atlantic | 1 |
SLSF
| Saint Louis-San Francisco | 4 |
SM
| St. Marys Railroad | 2 |
SNC
| Saratoga & North Creek Railway | 1 |
SNCT
| Seattle & North Coast R.R. Co. | 4 |
SOO
| Soo Line | 4 |
SOU
| Southern | 35 |
SP
| Southern Pacific | 68 |
SPS
| Spokane Portland & Seattle | 5 |
SRN
| Sabine River & Northern | 1 |
SRY
| Southern Railway of British Columbia Lim | 5 |
SSW
| St Louis Southwestern (Cotton Belt) | 19 |
STMA
| St. Maries River Railroad Company | 1 |
TASD
| Terminal Alabama State Docks | 1 |
TBOX
| TTX Company | 121 |
TCAX
| General Electric Rail Services | 1 |
TOBX
| TTX Company - Box Cars | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 4 |
TR
| Tomahawk Railway L.P. | 4 |
UP
| Union Pacific Railroad Company | 55 |
URTX
| Union Refrigerator Transit Co. | 2 |
USA
| USA | 2 |
USLX
| General Electric Rail Services | 8 |
VCY
| Galveston Railroad, L.P. | 1 |
WAB
| Wabash | 3 |
WC
| Wisconsin Central | 5 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |
WCRC
| Washington Central | 4 |
WCTR
| WCTU Company White City Terminal Railway | 3 |
WE
| Wheeling & Lake Erie | 1 |
WFRX
| WELLS FARGO RAIL CORPORATION | 3 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WP
| Western Pacific | 14 |
WPYR
| White Pass & Yukon Route | 2 |
WRWK
| Providence & Worchester Railroad | 3 |
WSOR
| Wisconsin & Southern | 2 |
YKR
| York Rail | 1 |