AA
| Ann Arbor | 1 |
ABEX
| Advanced BioEnergy | 2 |
ABOX
| TTX Company | 231 |
ADN
| Ashley Drew & Northern | 28 |
AERC
| Albany and Eastern Railroad Company | 32 |
AGR
| Alabama and Gulf Coast | 276 |
AKMD
| Arkansas Midland Railroad Company | 4 |
ALAB
| Alabama Railroad | 43 |
ALM
| Arkansas Louisiana and Mississippi Railr | 183 |
ALY
| Allegheny and Eastern Railroad Incorpora | 12 |
AM
| Arkansas & Missouri | 4 |
AMC
| Arkansas Louisiana and Mississippi Railr | 3 |
AMTK
| Amtrak | 7 |
AN
| Apalachicola Northern | 15 |
ANGX
| Andersons - Railgroup | 4 |
ANR
| Angelina and Neches River Railroad | 6 |
AOK
| Arkansas-Oklahoma Railroad | 709 |
AR
| Aberdeen and Rockfish | 10 |
ASAB
| Bay Line Railroad LLC | 23 |
ATSF
| Atchison Topeka & Santa Fe | 754 |
ATW
| Atlantic and Western | 495 |
BAEX
| Andersons | 79 |
BAR
| Bangor & Aroostook | 38 |
BAYL
| Bay Line, LLC | 18 |
BCIT
| Canadian National Railways | 1 |
BCLR
| Bay Colony | 6 |
BCOL
| Canadian National Railways | 166 |
BFBX
| Bakery Feeds, Division of Griffin Indust | 2 |
BKTY
| Union Pacific Railroad Company | 99 |
BM
| Boston & Maine | 17 |
BN
| Burlington Northern | 261 |
BNSF
| BNSF Railway | 3755 |
BPRR
| Buffalo and Pittsburgh | 66 |
BR
| Buffalo and Pittsburgh | 23 |
CAGY
| Columbus & Greenville Railway | 7 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 1 |
CBL
| Conemaugh and Black Lick Railroad | 2 |
CBQ
| Chicago Burlington & Quincy | 1 |
CBRX
| Charles Barthold | 1 |
CCR
| Corinth & Counce | 15 |
CEFX
| CIT Group/Capital Finance, Inc | 20 |
CGR
| CG Railway, Inc | 14 |
CGW
| Chicago Great Western | 4 |
CHTT
| Chicago Heights Terminal Transfer | 132 |
CIBX
| CIT Group/Capital Finance, Inc | 9 |
CIC
| Cedar Rapids & Iowa City | 56 |
CIL
| Chicago Indianapolis & Louisville (Monon | 1 |
CIRR
| Chattahoochee Industrial Railroad | 261 |
CKIX
| C.K. Industries | 5 |
CLC
| Columbia and Cowlitz Railway Company | 25 |
CMHX
| CarMath Incorporated | 188 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 1 |
CN
| Canadian National Railways | 1132 |
CNA
| Canadian National Railways | 1343 |
CNIS
| Canadian National Railways | 286 |
CNW
| Chicago & Northwestern | 207 |
CO
| Chesapeake & Ohio | 1 |
COER
| Crab Orchard & Egyptian | 121 |
CP
| Canadian Pacific Railway | 507 |
CPAA
| Canadian Pacific Railway | 93 |
CR
| Conrail | 1650 |
CRDX
| Chicago Freight Car Leasing Company | 2 |
CRLE
| Coe Rail Incorporated | 365 |
CRYX
| Cryo-Trans Incorporated | 1 |
CSP
| Camas Prairie RailNet Incorporated | 5 |
CSX
| CSX Railroad | 1998 |
CTN
| Canton Railroad Company | 3 |
CUOH
| Columbus and Ohio River Railroad Company | 73 |
CV
| Central Vermont | 57 |
CVC
| Canadian National Railways | 53 |
DJTX
| Joseph Transportation Incorporated | 2 |
DME
| Dakota, Minnesota and Eastern | 87 |
DMM
| Dansville and Mount Morris Railroad Comp | 61 |
DRGW
| Denver & Rio Grande Western | 70 |
DTI
| Detroit Toledo & Ironton | 11 |
DWC
| Canadian National Railways | 571 |
EEC
| East Erie Commercial Railroad | 1150 |
EL
| Erie Lackawanna | 2 |
ELS
| Escanaba and Lake Superior Railroad Comp | 13 |
FBOX
| TTX Company | 712 |
FCCM
| Compania de Ferrocarriles Chiapas Mayab | 20 |
FCRD
| First Coast Railway | 45 |
FGLK
| Finger Lakes Railway | 16 |
FLOX
| CIT Group/Capital Finance, Inc | 12 |
FP
| Fordyce & Princeton Railroad Company | 12 |
FRR
| Falls Road Railroad Company Incorporated | 13 |
FSR
| Fort Smith Railroad Company | 1 |
FSRR
| FerroSur | 11 |
FURX
| First Union Rail | 1 |
FXE
| Ferromex | 87 |
GACX
| General American Marks Company | 110 |
GATX
| General American Marks Company | 1 |
GFRR
| Georgia and Florida Railnet | 9 |
GLSR
| Gloster Southern Railroad Corporation | 2 |
GMO
| Gulf Mobile & Ohio | 1 |
GMRC
| Green Mountain RR | 187 |
GMSR
| Kansas City Southern | 8 |
GNRR
| Georgia Northeastern | 44 |
GNWR
| Genesee and Wyoming Railroad Company | 234 |
GTRA
| Golden Triangle Railroad | 37 |
GTW
| Grand Trunk Western | 572 |
GVSR
| Galveston Railroad L.P. | 224 |
HATX
| Helm Financial Corporation | 4 |
HCGX
| COMPASS MINERALS INTERNATIONAL INC | 20 |
HCRY
| Huron Central Railway | 5 |
HCSX
| Helm Chesapeake LLP | 5 |
HDTX
| Huish Detergents, Inc | 1 |
HESR
| Huron and Eastern | 15 |
HLMX
| Helm Financial Corporation | 51 |
HPJX
| Helm-Pacific Leasing | 116 |
HS
| H and S Railroad Company | 668 |
IANR
| Iowa Northern Ry | 33 |
IATR
| Iowa Traction Railroad Company | 118 |
IBT
| International Bridge and Terminal Company | 697 |
IC
| Illinois Central | 202 |
ICG
| Illinois Central Gulf | 56 |
IFRX
| Infinity Rail LLC | 6 |
ITFX
| INFINITY TRANSPORTATION III LLC | 4 |
JRSX
| J.R. Simplot Company | 3 |
KCS
| Kansas City Southern | 799 |
KCSM
| Kansas City Southern De Mexico | 4 |
KELX
| Kellogg Company | 36 |
KRR
| Kiamichi | 6 |
KWT
| KWT Railway | 2 |
KYLE
| Kyle Railroad | 3 |
LBR
| Lowville and Beaver River Railroad Compa | 65 |
LC
| Lancaster & Chester | 19 |
LNAC
| Chattahoochee Bay Railroad, LLC | 8 |
LNW
| Louisiana & Northwestern | 1 |
LOVX
| American Colloid Company | 1 |
LRR
| Little River Railroad | 1 |
LRS
| Laurinburg and Southern | 106 |
LRWN
| Little Rock & Western | 58 |
LSI
| Lake Superior and Ishpeming Railroad | 2 |
LSRC
| Lake State Railway Company | 14 |
LVRC
| Lamoille Valley | 6 |
LW
| Louisville and Wadley Railway Company | 338 |
LXOH
| Knoxville & Holston River Railroad | 2 |
MB
| Meridian & Bigbee | 18 |
MCSA
| Moscow Camden and San Augustine Railroad | 44 |
MDR
| Kansas City Southern | 3 |
MDW
| Minnesota Dakota and Western Railway Com | 247 |
MEC
| Maine Central | 118 |
MET
| Modesto and Empire Traction Company | 92 |
MILW
| Milwaukee Road | 21 |
MISX
| Milwaukee Solvents and Chemicals Corporation | 5 |
MKT
| Missouri-Kansas-Texas | 2 |
MLR
| MLR | 1 |
MMA
| Montreal, Maine & Atlantic | 221 |
MMRR
| Mid-Michigan Railroad Incorporated | 12 |
MNNR
| Minnesota Commercial | 4 |
MP
| Missouri Pacific | 744 |
MQT
| Marquette Rail | 97 |
MR
| McCloud Railway Company | 33 |
MRL
| Montana Rail Link | 96 |
MRS
| Manufacturers Railway | 5 |
MSDR
| Knoxville & Holston River Railroad | 66 |
MSE
| Mississippi Export Railroad Company | 1 |
MSRC
| Kansas City Southern | 21 |
MVRY
| Mahoning Valley Ry | 1 |
MWCX
| Midwest Railcar Corporation | 137 |
NADX
| General Electric Rail Services | 41 |
NAR
| Northern Alberta Railways | 3 |
NDYX
| First Union Rail | 18 |
NECR
| New England Central | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 124 |
NNYX
| National New York Central Railroad Museu | 1 |
NOKL
| Northwestern Oklahoma | 532 |
NOPB
| New Orleans Public Belt Railroad | 2 |
NP
| Northern Pacific | 3 |
NRLX
| CIT Group/Capital Finance, Inc | 113 |
NS
| Norfolk Southern | 7260 |
NSHR
| North Shore | 27 |
NW
| Norfolk & Western | 487 |
NWR
| Nashville & Western Railroad Corp. | 3 |
NYC
| New York Central | 332 |
OAR
| Old Augusta Railroad | 33 |
OHPA
| Ohio and Pennsylvania Railroad Company | 2 |
ONT
| Ontario Northland Railway | 30 |
OUCH
| Ouachita Railroad | 1 |
PAL
| Paducah & Louisville | 5 |
PBRX
| TYSON FRESH MEATS | 14 |
PDRR
| Pee Dee River RR | 31 |
PGR
| Progressive Rail, Inc | 9 |
PLTX
| Potlatch Corporation | 3 |
PMRX
| Progress Metal Reclamation Company | 13 |
POHC
| Pittsburgh & Ohio Central | 5 |
PRL
| Penn Eastern Rail Lines Incorporated | 2 |
PRR
| Pennsylvania Railroad | 1 |
PRSX
| Progress Rail Service | 2 |
PSMX
| Esco Corporation | 10 |
QC
| Quebec Central | 125 |
QGRY
| Quebec Gatineau Railway Incorporated | 82 |
RBOX
| Railbox Company | 1822 |
RDG
| Reading Railroad | 3 |
RGCX
| Rio Grande Chemical LTD | 2 |
RJCC
| R.J. Corman Railroad/Kentucky Lines | 4 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 1 |
RMGX
| Andersons - Railgroup | 23 |
RMMX
| Andersons - Railgroup | 1 |
RPMX
| RPMG INC | 3 |
RRLX
| Rail Logistics, LC | 2 |
RVPR
| Riverport R.R., L.L.C. | 13 |
SBD
| Seaboard System | 2 |
SCL
| Seaboard Coast Line | 4 |
SFLC
| BNSF Railway | 15 |
SGLR
| Seminole Gulf | 38 |
SIND
| Southern Indiana Railway Incorporated | 11 |
SIRX
| Southern Illinois Railcar Company | 17 |
SLC
| San Luis Central Railroad Company | 53 |
SLGG
| Progress Rail Services Corporation | 133 |
SLR
| St Lawrence & Atlantic | 65 |
SLSF
| Saint Louis-San Francisco | 8 |
SM
| St. Marys Railroad | 11 |
SMW
| St Marys Railway West LLC | 18 |
SNC
| Saratoga & North Creek Railway | 21 |
SOO
| Soo Line | 36 |
SOU
| Southern | 2399 |
SP
| Southern Pacific | 844 |
SPSX
| Progress Rail Services Corp | 6 |
SRAX
| Southern Rail Associates | 7 |
SRN
| Sabine River & Northern | 126 |
SRY
| Southern Railway of British Columbia Lim | 500 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 17 |
SSW
| St Louis Southwestern (Cotton Belt) | 263 |
STE
| Stockton Terminal and Eastern RR | 22 |
STMA
| St. Maries River Railroad Company | 14 |
SVRR
| Shamokin Valley Railroad Company | 2 |
TASD
| Terminal Alabama State Docks | 24 |
TBOX
| TTX Company | 2555 |
TCWR
| Twin Cities and Western | 27 |
TFM
| Kansas City Southern De Mexico | 55 |
TIMX
| Trinity Industries Leasing Company | 15 |
TKEN
| Tennken Railroad Company Incorporated | 3 |
TOBX
| TTX Company - Box Cars | 56 |
TOE
| Texas Oklahoma and Eastern RR Company | 103 |
TOFX
| TTX Company - Box Cars | 20 |
TR
| Tomahawk Railway L.P. | 733 |
TSBY
| Great Lakes Central Railroad | 1 |
TSE
| Texas South-Eastern Railroad Company | 2 |
TSRD
| Twin State Railroad Company | 5 |
UP
| Union Pacific Railroad Company | 617 |
USLX
| General Electric Rail Services | 19 |
VCY
| Galveston Railroad, L.P. | 33 |
VR
| Valdosta Railway | 41 |
WAB
| Wabash | 1 |
WC
| Wisconsin Central | 1607 |
WCCL
| Wisconsin Central | 151 |
WCOR
| Wellsboro and Corning Railroad Company | 55 |
WCTR
| WCTU Company White City Terminal Railway | 16 |
WE
| Wheeling & Lake Erie | 17 |
WGCR
| Wiregrass Central Railroad. Incorporated | 1 |
WIIX
| Williamette Industries Incorporated | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 114 |
WP
| Western Pacific | 90 |
WREX
| Western Railroad Equipment Company | 13 |
WRWK
| Providence & Worchester Railroad | 97 |
WSOR
| Wisconsin & Southern | 166 |
WTRM
| Warren and Trumbull Railroad Company | 55 |
YARR
| Youngstown and Austintown Railroad | 42 |
YB
| Youngstown Belt Railroad Company | 22 |
YKR
| York Rail | 91 |
YVRR
| Yadkin Valley | 4 |