AARX
| Association of American Railroads | 5 |
AC
| Algoma Central | 9 |
ACWR
| Aberdeen, Carolina & Western | 3 |
ADIX
| Adirondack Railway Preservation Society | 3 |
ADN
| Ashley Drew & Northern | 1 |
AEQX
| ATEL Equipment Corporation | 1 |
AERC
| Albany and Eastern Railroad Company | 6 |
AEX
| Andersons | 6 |
AFCX
| ATEL Capital Equipment Fund 7, L.P. | 29 |
AKDN
| Acadiana Railway Company | 1 |
ALL
| America Latina Logistica | 30 |
AM
| Arkansas & Missouri | 1 |
AMTK
| Amtrak | 216 |
ANY
| Athabasca Northern Railway | 1 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
AOKX
| Greenbrier Management Services, LLC | 2 |
APA
| Apache Railway Company | 4 |
AR
| Aberdeen and Rockfish | 4 |
ARR
| Alaska Railroad | 1 |
ATRX
| ATLANTA RAILCAR COMPANY | 4 |
ATSF
| Atchison Topeka & Santa Fe | 124 |
ATW
| Atlantic and Western | 1 |
AVR
| Allegheny Valley | 1 |
AZER
| Arizona Eastern Railway Company | 3 |
BALL
| BALL | 1 |
BART
| BART | 3 |
BAYL
| Bay Line, LLC | 1 |
BB
| Buckingham Branch | 3 |
BCOL
| Canadian National Railways | 29 |
BDRV
| Belvidere & Delaware Railroad | 11 |
BGSX
| Strata Corporation | 1 |
BLE
| Bessemer & Lake Erie | 9 |
BM
| Boston & Maine | 23 |
BN
| Burlington Northern | 299 |
BNSF
| BNSF Railway | 359 |
BO
| Baltimore & Ohio | 24 |
BPRR
| Buffalo and Pittsburgh | 12 |
BRC
| Belt Railway of Chicago | 12 |
BRW
| Black River And Western | 1 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CAGY
| Columbus & Greenville Railway | 3 |
CBNS
| Cape Breton & Central Nova Scotia Ry | 1 |
CBQ
| Chicago Burlington & Quincy | 14 |
CBRW
| Columbia Basin Railroad | 1 |
CCRR
| Claremont Concord | 1 |
CCT
| Central California Traction Company | 1 |
CEMR
| Central Manitoba Railway Incorporated | 5 |
CFMG
| Chemin De Fer De La Matapedia Et Du Golf | 1 |
CG
| Central Of Georgia | 1 |
CIC
| Cedar Rapids & Iowa City | 17 |
CIM
| Chicago And Illinois Midland | 2 |
CKIX
| C.K. Industries | 2 |
CLNA
| Carolina Coastal Railway Incorporated | 2 |
CMEX
| Cemex Inc | 18 |
CMR
| Indiana Rail Road Company | 4 |
CN
| Canadian National Railways | 394 |
CNW
| Chicago & Northwestern | 161 |
CNWX
| Canadian Wheat Board | 1 |
CNZR
| Central New England | 2 |
CO
| Chesapeake & Ohio | 50 |
COP
| City of Prineville Railway | 1 |
CP
| Canadian Pacific Railway | 209 |
CR
| Conrail | 186 |
CRDX
| Chicago Freight Car Leasing Company | 71 |
CRHA
| Candian Railroad Historical Assocation | 1 |
CRIP
| Chicago Rock Island & Pacific | 2 |
CRTA
| Cleveland Rapid Transit | 1 |
CSRR
| Conway Scenic | 1 |
CSRX
| Conway Scenic Railroad | 1 |
CSX
| CSX Railroad | 717 |
CTA
| Chicago Transit Authority | 3 |
CTLL
| CTLL | 1 |
CTRN
| Union Pacific Railroad Company | 1 |
CV
| Central Vermont | 15 |
CYXX
| Conrad Yelvington Distributors, Inc | 2 |
DB
| Deutsche Bahn | 1 |
DJTX
| Joseph Transportation Incorporated | 1 |
DL
| Delaware-Lackawanna Railroad Company | 3 |
DLW
| Delaware Lackawanna & Western | 1 |
DME
| Dakota, Minnesota and Eastern | 48 |
DMVW
| Dakota Missouri Valley and Western Railr | 1 |
DMWX
| DMWX | 1 |
DRGW
| Denver & Rio Grande Western | 23 |
DRGX
| Denver and Royal Gorge Railway LLC | 1 |
DSRX
| Downeast Scenic | 1 |
DTI
| Detroit Toledo & Ironton | 3 |
EBT
| East Broad Top | 1 |
EE
| Ellis and Eastern Company | 10 |
EFVM
| Estrada de Ferro Vitoria-Minas | 48 |
EJE
| Elgin Joliet and Eastern | 3 |
EL
| Erie Lackawanna | 4 |
ESPN
| East Penn Railroad | 3 |
ETL
| Essex Terminal Railway Company | 2 |
EV
| Everett Railroad | 4 |
FA
| FA | 7 |
FAMM
| FAMM | 1 |
FCP
| Ferrocarril Del Pacifico | 1 |
FEC
| Florida East Coast | 15 |
FGLK
| Finger Lakes Railway | 3 |
FSRR
| FerroSur | 3 |
FURX
| First Union Rail | 5 |
FWRY
| Fillmore Western Railway Company | 1 |
FWWR
| Fort Worth and Western | 1 |
FXE
| Ferromex | 72 |
GACX
| General American Marks Company | 2 |
GBW
| Green Bay & Western | 6 |
GCCX
| General American Marks Company | 3 |
GCRY
| Grand Canyon Railway | 5 |
GLIX
| GLIX | 21 |
GMRC
| Green Mountain RR | 1 |
GMRY
| Great Miami | 1 |
GN
| Great Northern | 5 |
GNBC
| Grainbelt Corporation | 11 |
GRCX
| Granite Rock Company | 1 |
GREX
| Georgetown Rail Equipment Company | 139 |
GRLW
| Greenville & Western Railway Company, LLC | 2 |
GRR
| Georgetown Railroad Company | 2 |
GSM
| Great Smokey Mountains Railway | 5 |
GSMR
| Great Smoky Mountains | 1 |
GTW
| Grand Trunk Western | 18 |
GVSR
| Galveston Railroad L.P. | 11 |
HATX
| Helm Financial Corporation | 18 |
HESR
| Huron and Eastern | 3 |
HGZX
| HGZX | 11 |
HKGX
| Haines & Kibblehouse Inc. | 15 |
HKGZ
| HKGZ | 1 |
HLMX
| Helm Financial Corporation | 36 |
HZCX
| HZCX | 1 |
HZGK
| HZGK | 1 |
HZGX
| Herzog Contracting Corporation | 1750 |
HZGZ
| HZGZ | 3 |
IAIS
| Iowa Interstate | 45 |
IANR
| Iowa Northern Ry | 1 |
IC
| Illinois Central | 35 |
ICE
| Iowa Chicago and Eastern | 5 |
ICG
| Illinois Central Gulf | 1 |
IFRX
| Infinity Rail LLC | 5 |
IFTX
| IFTX | 2 |
IHB
| Indiana Harbor Belt | 16 |
IMRL
| I&M Rail Link | 4 |
IMRR
| Illinois Midland Railroad | 5 |
IN
| Indiana Northeastern | 2 |
INRD
| Indiana Railroad | 3 |
ITGX
| Andersons - Railgroup | 4 |
ITXX
| Tiaxcalteca de Industrias S.A. de C.V. | 2 |
JAIX
| JAIX Leasing Corporation | 12 |
JBWX
| JBWX | 1 |
JOBX
| Tealinc Limited | 1 |
JPMX
| JERSEY RAILWAY EQUIPMENT CO., LLC | 8 |
JV
| JV | 1 |
KCCX
| Kennecott Utah Copper Corporation | 2 |
KCS
| Kansas City Southern | 24 |
KIWI
| KIWI | 7 |
KJRY
| Keokuk Junction | 1 |
KO
| Kansas & Oklahoma | 2 |
KR
| KR | 1 |
KRL
| Kasgro Rail Lines | 1 |
LAL
| Livonia Avon & Lakeville | 3 |
LGEX
| L.G. Everist Incorporated | 49 |
LI
| Long Island Rail Road Company | 29 |
LIRC
| Louisville & Indiana | 7 |
LN
| Louisville & Nashville | 10 |
LSI
| Lake Superior and Ishpeming Railroad | 9 |
LV
| Lehigh Valley | 1 |
LVRR
| Lycoming Valley | 8 |
LVRX
| LVRX | 2 |
MACX
| Mac Acquisitions. L.P. | 1 |
MBTA
| Massachusetts Bay Transit Authority | 2 |
MDR
| Kansas City Southern | 2 |
MDTX
| Southern Region Industrial Realty Incorporated | 18 |
MDWX
| MDWX | 1 |
MEC
| Maine Central | 36 |
MELX
| Sunbelt Cement Incorporated | 1 |
MER
| MER | 1 |
METX
| METRA | 36 |
MGA
| Monongahela RR | 6 |
MHWA
| Mohawk Adirondack and Northern Railroad | 4 |
MILW
| Milwaukee Road | 56 |
MKT
| Missouri-Kansas-Texas | 6 |
MMA
| Montreal, Maine & Atlantic | 8 |
MMAX
| Martin-Marietta Aggregates | 14 |
MMID
| Maryland Midland | 1 |
MNCR
| Metro North Commuter Railway | 1 |
MNCW
| Metro-North Commuter Railroad | 30 |
MNNR
| Minnesota Commercial | 6 |
MNTX
| Minnesota Transportation Museum, Inc. | 8 |
MP
| Missouri Pacific | 27 |
MQT
| Marquette Rail | 1 |
MRL
| Montana Rail Link | 13 |
MRS
| Manufacturers Railway | 1 |
MRSL
| MRS Logistica | 7 |
MSO
| Michigan Southern | 1 |
MWAX
| Martin Marietta Materials Incorporated | 14 |
MWCX
| Midwest Railcar Corporation | 1 |
NCA
| Nuevo Central Argentina | 6 |
NCRC
| Nebraska Central | 14 |
NDEM
| NDEM | 16 |
NECR
| New England Central | 2 |
NERR
| Nashville and Eastern | 4 |
NERX
| Transportation Management Services Incorporated | 11 |
NHIR
| New Hope & Ivyland | 1 |
NHN
| New Hampshire Northcoast Corporation | 3 |
NHRR
| New Hope and Ivyland Rail Road | 1 |
NICD
| Northern-Indiana Commuter Transportation | 10 |
NIRC
| NIRC | 1 |
NIRX
| General Electric Rail Services | 1 |
NJT
| New Jersey Transit | 27 |
NJTR
| NJ Transit Rail Operations | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 2 |
NLRX
| NLRX | 38 |
NN
| Northern Nevada Railroad Corporation | 3 |
NNW
| Nebraska Northwestern | 7 |
NP
| Northern Pacific | 13 |
NS
| Norfolk Southern | 572 |
NSRX
| Railroading Heritage Of Midwest America | 1 |
NTCX
| NTCX | 1 |
NW
| Norfolk & Western | 5 |
NWP
| Northwestern Pacific Railroad Company | 2 |
NYC
| New York Central | 13 |
NYOW
| New York, Ontario & Western | 1 |
NYSW
| New York Susquehanna & Western | 29 |
OBB
| OBB | 2 |
OCSR
| OCSR | 1 |
OHCR
| Ohio Central | 7 |
ONCT
| Ontario Central Railroad Corporation | 1 |
ONT
| Ontario Northland Railway | 13 |
OOOX
| Osborne Incorporated | 9 |
OSRX
| Ontario Southland Railway Incorporated | 1 |
PAL
| Paducah & Louisville | 13 |
PC
| Penn Central | 11 |
PCC
| Palouse River and Coulee City | 5 |
PCTX
| Pioneer Cement Company of Texas | 1 |
PKP
| Polish Railways | 1 |
PKSX
| Peter Kiewitt Sons Inc. | 2 |
PMRX
| Progress Metal Reclamation Company | 9 |
POTB
| Port of Tillamook Bay | 1 |
POVA
| Pend Oreille Valley Railroad | 3 |
PRL
| Penn Eastern Rail Lines Incorporated | 2 |
PRR
| Pennsylvania Railroad | 3 |
PRSX
| Progress Rail Service | 1 |
PW
| Providence and Worcester | 31 |
PWMW
| PWMW | 1 |
QCM
| Quebec Cartier Railroad | 1 |
QITX
| Qit-fer Et Titane | 3 |
RBMN
| Reading Blue Mountain & Northern | 17 |
RCPE
| Rapid City Pierre & Eastern Railroad | 21 |
RFP
| Richmond Fredericksburg & Potomac | 1 |
RFRX
| Rick Franklin Corporation | 7 |
RGCX
| Rio Grande Chemical LTD | 1 |
RI
| RI | 1 |
RISX
| RISX | 2 |
RJCC
| R.J. Corman Railroad/Kentucky Lines | 15 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 1 |
RJCW
| R.J. Corman Railroad Company/ Western Ohio Line | 3 |
RLK
| RailAmerica Ottawa Valley Railway | 13 |
RRLX
| Rail Logistics, LC | 2 |
RRVW
| Red River Valley and Western Railroad | 29 |
RS
| Roberval and Saguenay Railway Company | 2 |
RUMO
| RUMO | 8 |
RVSC
| Rio Valley Switching Company | 9 |
SAS
| South African Railways | 34 |
SBB
| Swiss Railways | 2 |
SBD
| Seaboard System | 6 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 6 |
SCL
| Seaboard Coast Line | 3 |
SCRM
| SCRM | 1 |
SETX
| Sersa | 3 |
SFRC
| SFRC | 1 |
SGVY
| Saginaw Valley Railway Company Incorpora | 19 |
SI
| Union Pacific Railroad Company (Spokane International) | 376 |
SIND
| Southern Indiana Railway Incorporated | 1 |
SIRT
| Staten Island Rapid Transit | 4 |
SJNX
| Mobay Corporation | 2 |
SLRS
| SMS Rail Service Incorporated | 2 |
SLSF
| Saint Louis-San Francisco | 6 |
SMA
| San Manuel Arizona Railroad Company | 9 |
SMRR
| Sisseton Milbank Railroad Incorporated | 3 |
SNJX
| SOUTHERN NEW JERSEY RAIL GROUP LLC | 7 |
SOO
| Soo Line | 74 |
SOU
| Southern | 29 |
SOXX
| SMBC RAIL SERVICES LLC | 5 |
SP
| Southern Pacific | 70 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 8 |
SPMW
| Southern Pacific Maintenance of Way | 49 |
SPS
| Spokane Portland & Seattle | 1 |
SPSR
| San Pedro & Southwestern Railway Co | 1 |
SPTX
| Trinity Rail Management Incorporated | 2 |
SR
| Kansas City Southern | 2 |
SRC
| Strasburg Railroad | 1 |
SREX
| StatesRail Equipment Company LLC | 5 |
SRT
| SRT | 2 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 51 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
STMA
| St. Maries River Railroad Company | 1 |
TCWR
| Twin Cities and Western | 13 |
TFM
| Kansas City Southern De Mexico | 18 |
TILX
| Trinity Industries Leasing Company | 21 |
TM
| Texas-Mexican | 3 |
TRAX
| RailAmerica | 4 |
TXIX
| Texas Industries Incorporated | 3 |
UP
| Union Pacific Railroad Company | 644 |
VALE
| Valley Railroad Company | 1 |
VALX
| Sierra Pacific Power Company/Idaho Power Company | 1 |
VILX
| LaRoche Industries | 1 |
VTR
| Vermont Railway | 18 |
VULX
| Vulcan Materials | 7 |
WAMX
| Webb Asset Management | 10 |
WC
| Wisconsin Central | 15 |
WCRC
| Washington Central | 1 |
WE
| Wheeling & Lake Erie | 12 |
WFRX
| WELLS FARGO RAIL CORPORATION | 2 |
WHMX
| Miner Enterprises | 1 |
WIMX
| Wimpey Minerals USA, Inc. | 2 |
WM
| Western Maryland | 5 |
WNYP
| Western New York and Pennsylvania | 3 |
WP
| Western Pacific | 20 |
WPGX
| Western Paving Construction Company | 1 |
WPMW
| Union Pacific Railroad Company | 1 |
WPRR
| Willamette and Pacific | 9 |
WPYR
| White Pass & Yukon Route | 2 |
WRCX
| WRCX | 1 |
WRRC
| Western Rail Road Company | 9 |
WSOR
| Wisconsin & Southern | 44 |
WSSX
| Wedron Silica Company | 1 |
WVR
| Willamette Valley | 1 |