Alabama - GSA OGB
Alaska Geospatial Data Clearinghouse
Alaska State Geospatial Data Clearinghouse
Arizona GeoData Portal
Arizona Geographic Information Council - About
Arizona Land Resource Information System
Arizona State Cartographer's Office
Arkansas GeoStor - Arkansas' Official GeoData Clearinghouse
Arkansas GIS Gateway
California GIS Council
Colorado - GIS
Connecticut GIS Council
Delaware Geographic Data Committee (DGDC)
Delaware metadata explorer
Florida Department of Environmental Protection (FDEP)
Florida Department of Transportation -- GIS Data - Map Directory
Georgia Spatial Data Infrastructure Home Page
Hawaii Geographic Information Coordinating Council
Hawaii Statewide GIS Program
Idaho Geospatial Committee (IGC)
Idaho Interactive Numeric & Spatial Information Data Engine
Illinois Geographic Information Council
Illinois GIS
Illinois Natural Resources Geospatial Data Clearinghouse
Indiana IGIC Home
Indiana Office of Technology State IT Employees
Iowa Geographic Information Council
Kansas Geographic Information Systems Board
Kansas Geospatial Community Commons
Kentucky Commonwealth Office of Technology - Division of Geographic Information
Louisiana Geographic Information Center (LAGIC)
Louisiana Geographic Information Systems Council
Louisiana Geospatial Metadata Catalog
Maine Geographic Information System
Maine GIS Executive Council
Maryland State Geographic Information Committee
Massachusetts Geographic Information System
Michigan - Center for Geographic Information
Minnesota - Land Management Information Center Home Page
Mississippi - Coordinating Council
Mississippi - maris Home
Missouri Geographic Information Systems Advisory Committee
Missouri GIO
MIssouri MSDIS Homepage
Montana - Information Technology Services Division (ITSD) - GIS Services
Montana Information Technology Services Division (ITSD) - GIS Services
Montana Montana State Library
Nebraska Data Bank Home
Nebrasksa GIS Steering Committee
Nevada - VIRTUAL CLEARINGHOUSE FOR NEVADA GEOGRAPHIC INFORMATION
Nevada SMAC
Nevada State Advisory Committee
New Hamshire
New Jersy OGIS
New Mexico Geospatial Advisory Committee
New York GIS Clearinghouse
North Carolina CGIA Website Home
North Dakota GIS (Geographic Information Systems)
North Dakota GISTC
Oklahoma Center for Spatial Analysis at the University of Oklahoma
Oklahoma Geographic Information Council
Oregon Geospatial Enterprise Office (GEO) Oregon Geographic Information Council
Oregon Geospatial Enterprise Office (GEO)
Pennsylvania - Office of Administration - Geospatial Technologies
Pennsylvania Spatial Data Access
Rhode Island Geographic Information System Data --- RIGIS Data
South Carolina - Shared and Integrated Geographic Information System
South Carolina Mapping Network
South Dakota GIS - On the Internet
Tennessee GIS Services
Texas - TNRIS Home
Utah - AGRC
Vermont GIS data, information, and events
Vermont GIS
Virginia Geographic Information Network
Washington DC Geographic Information System
Washington WAGIC
West Virginia State GIS Technical Center
Wisconsin  Geographic Information Office
Wyoming Geographic Information Science Center
Wyoming GIS