AAIX
| Acs International Inc | 5 |
ABS
| Alabama Southern Railroad | 70 |
AC
| Algoma Central | 39 |
ACL
| Atlantic Coast Line | 6 |
ADBF
| Adrian and Blissfield Rail Road Company | 4 |
AERC
| Albany and Eastern Railroad Company | 2 |
AGLF
| Knoxville & Holston River Railroad | 3 |
AGX
| AGX | 1 |
ALAB
| Alabama Railroad | 9 |
ALL
| America Latina Logistica | 1 |
ALY
| Allegheny and Eastern Railroad Incorpora | 90 |
AOK
| Arkansas-Oklahoma Railroad | 43 |
APA
| Apache Railway Company | 3 |
APEX
| Apex Tank Car Line | 3 |
APPX
| Appalachian Railcar Services | 5 |
ARC
| Alexander Railroad | 1 |
ARR
| Alaska Railroad | 1 |
ATDX
| ARCELOR MITTAL MINES INC | 1 |
ATSF
| Atchison Topeka & Santa Fe | 8 |
ATW
| Atlantic and Western | 122 |
AWP
| Atlanta & West Point | 1 |
AWVR
| Unstoppable Movie Railroad | 1 |
BAR
| Bangor & Aroostook | 4 |
BB
| Buckingham Branch | 2 |
BCGL
| BCGL | 1 |
BCHX
| Bosques De Chihuahua | 1 |
BCIT
| Canadian National Railways | 9 |
BCOL
| Canadian National Railways | 199 |
BFPX
| Besse Forest Products | 26 |
BFTX
| Bill Frank Trucking | 1 |
BLHX
| SMBC RAIL SERVICES LLC | 4 |
BM
| Boston & Maine | 2 |
BN
| Burlington Northern | 166 |
BNS
| BNS | 1 |
BNSF
| BNSF Railway | 446 |
BO
| Baltimore & Ohio | 1 |
BPRR
| Buffalo and Pittsburgh | 19 |
BTFX
| BTFX | 6 |
BULK
| BULK | 1 |
BVRY
| Brandywine Valley Railroad Company | 33 |
CAGY
| Columbus & Greenville Railway | 1 |
CAIX
| CAI Rail Inc. | 36 |
CANX
| CANAC International | 5 |
CBNS
| Cape Breton & Central Nova Scotia Ry | 2 |
CBQ
| Chicago Burlington & Quincy | 5 |
CFM
| CFM | 1 |
CFMG
| Chemin De Fer De La Matapedia Et Du Golf | 2 |
CG
| Central Of Georgia | 2 |
CGW
| Chicago Great Western | 1 |
CHP
| Ferrocarriles Nacionales de Mexico | 3 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 14 |
CLC
| Columbia and Cowlitz Railway Company | 4 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 12 |
CN
| Canadian National Railways | 551 |
CNIS
| Canadian National Railways | 45 |
CNW
| Chicago & Northwestern | 6 |
CO
| Chesapeake & Ohio | 2 |
COER
| Crab Orchard & Egyptian | 69 |
CORP
| Central Oregon & Pacific | 1 |
CP
| Canadian Pacific Railway | 143 |
CPI
| Canadian Pacific Railway | 6 |
CR
| Conrail | 1 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CRLE
| Coe Rail Incorporated | 3 |
CS
| Colorado & Southern | 5 |
CSX
| CSX Railroad | 57 |
CTRR
| Cloquet Terminal Railroad Company | 34 |
CW
| Colorado and Wyoming | 144 |
DJJX
| Joseph Transportation Incorporated | 2 |
DME
| Dakota, Minnesota and Eastern | 6 |
DRGW
| Denver & Rio Grande Western | 6 |
DTDX
| DTDX | 1 |
DUPX
| Du Pont De Nemours and Company Incorporated | 1 |
DW
| DW | 1 |
DWC
| Canadian National Railways | 118 |
EAMX
| Everest Railcar Services, Inc | 19 |
ECXX
| East Carbon Development Company | 7 |
EHSX
| Essex Hybrid Seed Company Incorporated | 6 |
EJE
| Elgin Joliet and Eastern | 2 |
ELS
| Escanaba and Lake Superior Railroad Comp | 8 |
ELSX
| Kentucky May Coal Company Incorporated | 1 |
EMRY
| Eastern Maine Railway Company | 2 |
ESAX
| ESAX | 6 |
FCCM
| Compania de Ferrocarriles Chiapas Mayab | 3 |
FCEN
| Florida Central | 22 |
FRX
| FRX | 1 |
FSRR
| FerroSur | 1 |
FTZX
| FTZX | 2 |
FURX
| First Union Rail | 14 |
FXE
| Ferromex | 32 |
GAEX
| General American Marks Company | 45 |
GC
| Georgia Central | 3 |
GILX
| Gilman Paper Company | 6 |
GIMX
| General American Marks Company | 8 |
GLVX
| Marion Plywood Corp | 19 |
GMO
| Gulf Mobile & Ohio | 2 |
GMRC
| Green Mountain RR | 4 |
GMSR
| Kansas City Southern | 2 |
GN
| Great Northern | 5 |
GNRR
| Georgia Northeastern | 12 |
GNWR
| Genesee and Wyoming Railroad Company | 43 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 1 |
GRLW
| Greenville & Western Railway Company, LLC | 3 |
GROX
| First Union Rail | 6 |
GSWR
| Georgia Southwestern | 2 |
GTW
| Grand Trunk Western | 1 |
GVSR
| Galveston Railroad L.P. | 4 |
HCRY
| Huron Central Railway | 8 |
HE
| Hollis and Eastern Railroad Company | 10 |
HEQX
| Helm Financial Corporation | 9 |
HKRX
| HKRX | 38 |
HLSC
| Hampton Railway Incorporated | 3 |
HPJX
| Helm-Pacific Leasing | 155 |
HPTX
| HAMPTON CAPITAL LLC | 3 |
HPX
| HPX | 1 |
HS
| H and S Railroad Company | 2 |
IAIS
| Iowa Interstate | 1 |
IANR
| Iowa Northern Ry | 19 |
IARX
| IARX | 87 |
IC
| Illinois Central | 115 |
ICCX
| International Catalyst Corp. | 7 |
ICE
| Iowa Chicago and Eastern | 51 |
ICG
| Illinois Central Gulf | 224 |
IFRX
| Infinity Rail LLC | 105 |
IHB
| Indiana Harbor Belt | 83 |
IHP
| IHP | 1 |
IORT
| IORT | 1 |
IORY
| Indiana & Ohio | 12 |
ITFX
| INFINITY TRANSPORTATION III LLC | 2 |
ITGX
| Andersons - Railgroup | 4 |
ITLX
| General Electric Rail Services | 104 |
IW
| Illinois Western | 2 |
JMBX
| JMBX | 1 |
JOBX
| Tealinc Limited | 18 |
JRDX
| J & R Dumas Inc. | 3 |
JTSX
| Joseph Transportation Incorporated | 73 |
JTTX
| TTX Company | 1 |
KCS
| Kansas City Southern | 36 |
KOR
| KOR | 1 |
KWT
| KWT Railway | 1 |
KWUX
| Siemens Power Corporation | 1 |
KXHR
| Knoxville & Holston River RR | 19 |
LMIC
| Lake Michigan & Indiana Railroad | 23 |
LN
| Louisville & Nashville | 30 |
LPN
| Longview, Portland & Northern | 6 |
LRIX
| Lake Superior Eastern Rail Industries | 13 |
LRS
| Laurinburg and Southern | 35 |
LRWN
| Little Rock & Western | 2 |
LSI
| Lake Superior and Ishpeming Railroad | 4 |
LSRC
| Lake State Railway Company | 14 |
LSX
| LSX | 1 |
LW
| Louisville and Wadley Railway Company | 160 |
MAMX
| Mammoet USA, Inc | 1 |
MBCX
| Chicago Freight Car Leasing Co | 16 |
MCEX
| Midwest Railcar Equipment Company | 15 |
MDW
| Minnesota Dakota and Western Railway Com | 4 |
MEC
| Maine Central | 7 |
MILW
| Milwaukee Road | 9 |
MM
| MM | 1 |
MMA
| Montreal, Maine & Atlantic | 24 |
MNNR
| Minnesota Commercial | 1 |
MOSX
| Mosaic Corporation | 7 |
MP
| Missouri Pacific | 33 |
MPCX
| Michels Corporation | 1 |
MR
| McCloud Railway Company | 2 |
MRL
| Montana Rail Link | 46 |
MSCU
| Mediterranean Shipping Company S.A. | 1 |
MSCX
| MSCX | 5 |
MSPX
| P4 Productions LLC | 10 |
MSRC
| Kansas City Southern | 2 |
MSTL
| Minneapolis & St Louis | 4 |
MSV
| Mississippi and Skuna Valley Railroad Co | 4 |
MTTX
| TTX Company | 10 |
MVKX
| Tubular Transport Services | 35 |
MWNX
| MWNX | 7 |
NAFX
| General Electric Rail Services | 20 |
NBSR
| New Brunswick Southern Railway Company L | 8 |
NDYX
| First Union Rail | 1 |
NGSX
| NGSX | 6 |
NKP
| Nickel Plate | 1 |
NOKL
| Northwestern Oklahoma | 294 |
NP
| Northern Pacific | 6 |
NS
| Norfolk Southern | 299 |
NSHR
| North Shore | 7 |
NW
| Norfolk & Western | 16 |
OCE
| Oregon California & Eastern | 3 |
OFOX
| RESIDCO | 4 |
ONT
| Ontario Northland Railway | 10 |
ONW
| Oregon & Northwestern | 1 |
OPE
| Oregon Pacific & Eastern | 2 |
OS
| Ontario Southland Railway Inc. | 1 |
OTDX
| Greenbrier Leasing Corporation | 18 |
OTWX
| Of The Woods LLC | 2 |
PCC
| Palouse River and Coulee City | 1 |
PEYX
| Transportation Technology Services Inc | 17 |
PGE
| Pacific Great Eastern | 1 |
PHMX
| P&H Mining Equipment | 11 |
PMRX
| Progress Metal Reclamation Company | 32 |
PRMX
| PRMX | 1 |
PRSX
| Progress Rail Service | 8 |
PW
| Providence and Worcester | 3 |
QGRY
| Quebec Gatineau Railway Incorporated | 2 |
RBMN
| Reading Blue Mountain & Northern | 1 |
RCPE
| Rapid City Pierre & Eastern Railroad | 1 |
RDRX
| RDRX | 16 |
RFRX
| Rick Franklin Corporation | 5 |
RGAX
| RGAX | 1 |
RISX
| RISX | 2 |
RJCC
| R.J. Corman Railroad/Kentucky Lines | 22 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 6 |
RMGX
| Andersons - Railgroup | 1 |
RTAX
| RTAX | 68 |
RTEX
| Rail Trusts Equipment Incorporated | 4 |
RVPR
| Riverport R.R., L.L.C. | 1 |
S
| S | 1 |
SA
| Savannah & Atlanta | 1 |
SAL
| Seaboard Air Line | 2 |
SAS
| South African Railways | 83 |
SAY
| SAY | 1 |
SBD
| Seaboard System | 43 |
SCL
| Seaboard Coast Line | 1 |
SDIX
| Steel Dynamics, Inc | 2 |
SFPX
| SFPX | 1 |
SFS
| Santa Fe Southern | 2 |
SH
| Steelton and Highspire Railroad Company | 101 |
SIND
| Southern Indiana Railway Incorporated | 1 |
SLSF
| Saint Louis-San Francisco | 3 |
SM
| St. Marys Railroad | 5 |
SMW
| St Marys Railway West LLC | 8 |
SNC
| Saratoga & North Creek Railway | 63 |
SOO
| Soo Line | 42 |
SOU
| Southern | 401 |
SOUT
| SOUT | 3 |
SP
| Southern Pacific | 87 |
SPEX
| SOUTHERN PARTS & EQUIPMENT INC. | 1 |
SPMW
| Southern Pacific Maintenance of Way | 3 |
SPSX
| Progress Rail Services Corp | 4 |
SR
| Kansas City Southern | 2 |
SRLX
| Southern Rail Leasing Incorporated | 2 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 7 |
SSW
| St Louis Southwestern (Cotton Belt) | 281 |
STC
| STC | 1 |
STIE
| Superior Tie & Timber (KCS) | 2 |
SUCX
| SUCX | 1 |
SVRY
| SVRY | 1 |
SW
| Southwestern Railroad Company | 1 |
TCE
| TCE | 1 |
TCRY
| Tri-City Railroad | 2 |
TFM
| Kansas City Southern De Mexico | 32 |
TKEN
| Tennken Railroad Company Incorporated | 14 |
TOE
| Texas Oklahoma and Eastern RR Company | 52 |
TOPX
| TOPX | 18 |
TP
| Texas & Pacific | 1 |
TPPX
| Thilmany LLC | 2 |
TR
| Tomahawk Railway L.P. | 22 |
TRAX
| RailAmerica | 9 |
TRLX
| Texas Railcar Leasing Company | 30 |
TSBY
| Great Lakes Central Railroad | 1 |
TTAX
| TTX Company - Spine Cars | 1 |
TTFX
| TTX Company | 2 |
TTJX
| TTX Company-Bulkhead Flats | 356 |
TTKX
| TTX Company | 21 |
TTPX
| TTX Company - Bulkhead Flats | 2679 |
TTX
| TTX Company | 3 |
TVRR
| Tulare Valley Railroad Company | 3 |
UCRY
| Utah Central | 10 |
UCSX
| International Paper Company | 3 |
UMP
| Upper Merion and Plymouth Railroad | 21 |
UNPX
| Procor Limited | 1 |
UP
| Union Pacific Railroad Company | 233 |
URR
| Union Railroad | 3 |
USCX
| William G. Simon | 1 |
UTSX
| UTSX | 1 |
VB
| Van Buren Bridge Company (Bangor & Aroostook) | 2 |
WC
| Wisconsin Central | 196 |
WCCX
| Consolidation Coal Company | 6 |
WCRC
| Washington Central | 9 |
WCTR
| WCTU Company White City Terminal Railway | 47 |
WFRX
| WELLS FARGO RAIL CORPORATION | 2 |
WGR
| Willamette Valley Railway Company | 3 |
WGRR
| WGRR | 6 |
WP
| Western Pacific | 1 |
WPRR
| Willamette and Pacific | 46 |
WRA
| Western Railway of Alabama | 1 |
WRWK
| Providence & Worchester Railroad | 1 |
WTCR
| WTCR | 1 |
WTCX
| Weyerhauser | 2 |
WVCX
| Mead-Westvaco Corporation | 7 |
XTTX
| TTX Company | 1 |
YARR
| Youngstown and Austintown Railroad | 5 |