To Purchase Mecklenburg County GIS Data or Maps
GIS Data Store

Professional Organizations
Urban and Regional Information Systems Association (URISA) - http://www.urisa.org
Carolina URISA - http://www.carolinaurisa.org 
Geospatial Information & Technology Association (GITA) - http://www.gita.org
NC ArcInfo Users Group - http://www.ncaug.com/
ESRI Southeast Regional User Group - http://www.esri.com/events/serug/index.html

Governmental - United States
U.S. Census Bureau - http://www.census.gov
Federal Geographic Data Committee - http://www.fgdc.gov
National Geospatial Data Clearinghouse - http://nsdi.usgs.gov
United States Geologic Survey - http://www.usgs.gov

Governmental – North Carolina
Division of Land Resources - http://www.dlr.enr.state.nc.us/
Department of Environment and Natural Resources - http://www.enr.state.nc.us
North Carolina Geodetic Survey - http://www.ncgs.state.nc.us
NC Center for Geographic Information & Analysis - http://www.cgia.state.nc.us

Surrounding Counties
Link to All NC County Home Pages - http://www.ncacc.org/countyinfo.htm

Immediate Neighboring Counties
Cabarrus County GIS - http://www.cabarruscounty.us/GIS/
Union County GIS - http://www.co.union.nc.us/PropertyServices/GISMaps/tabid/82/Default.aspx
Gaston County GIS - http://egov1.co.gaston.nc.us/website/ParcelDataSite/WelcomePage.html
Iredell County GIS - http://www.co.iredell.nc.us/gismaps.asp
Lincoln County - http://www.lincolncounty.org/County/Departments/Tax/GIS.htm
York County, SC - http://www.yorkcountygov.com/Departments/DepartmentsAM/MIS/Divisions/GIS/GISOnlineMappingandPropertySearch/tabid/496/Default.aspx

Other Jurisdictions in Mecklenburg County
City of Charlotte - http://www.charmeck.org
Cornelius - http://www.cornelius.org
Davidson - http://www.ci.davidson.nc.us
Huntersville - http://www.huntersville.org
Matthews - http://www.matthewsnc.com
Mint Hill - http://www.minthill.com
Pineville - http://www.pinevillenc.net

Miscellaneous
ESRI - http://www.esri.com
National GIS Day - http://www.gisday.com
Your Internet Guide to Geographic Information Systems - http://www.gis.com