Web Directory

» @City Inc
   iStreetView - 360-degree Geocoded Street level Imaging on the Web
   http://www.atcity.com

» Aerial Photography and Satellite Imagery
   Company sells one foot orthoimagery and LANDSAT satellite imagery.
   http://www.landsat.com/ortho/index.html

» American Digital Cartography, Inc.
   Providers of digital mapping data for use with CAD and GIS systems.
   http://www.adci.com/

» Census Watch
   ESRI sponsored clearing house, providing information about US census tract TIGER data availability and modifications.
   http://www.censuswatch.com/

» Community Cartography
   An Internet mapping service and spatial data warehouse.
   http://www.comcarto.com

» Digital Chart of the World
   Download the boundaries and layers of different countries, in Arc/INFO export format.
   http://www.maproom.psu.edu/dcw/

» Digital Data Technologies, Inc (DDTi)
   Road centerline and address base mapping for GIS and E9-1-1.
   http://www.ddti.net

» Doyle's GIS Info Page
   Information about GIS and Links to GIS site for mostly free data for the USA.
   http://www.doylesdartden.com/gis/

» Energisite.com
   On-line access to the Divestco Canadian libraries of raster and digital well log data. Also well ticket and scanned images of government well documents.
   http://www.energisite.com/

» Forest Spatial Information Catalog
   The Forest Spatial Information Catalog (FSIC) is a central repository for forest related spatial metadata.
   http://gislab.cifor.cgiar.org/fsic

» GIS Data Depot
   Provides free GIS data downloads and creates custom spatial data CD-ROMs.
   http://www.gisdatadepot.com/

» GIS Express
   Offers satellite and aerial images.
   http://www.gisexpress.com

» GeoNames
   A worldwide geographical database with a search function, browsable maps, and downloadable data files available free under a Creative Commons attribution license.
   http://www.geonames.org/

» GeographX Digital Mapping
   New Zealand land information and GIS services. Site offers some free data.
   http://www.geographx.co.nz/

» Geospace
   Provides spatial data services.
   http://www.geospace.co.za/

» Go Spatial Limited
   Producer of digital geographic data suitable for reference base mapping at global, regional or national levels.
   http://www.gospatial.com

» LiDARdata.com
   Database of topographic LiDAR data.
   http://www.lidardata.com

» MaPit
   A database and web service that maps United Kingdom postcodes and points to current or past administrative area information and polygons.
   http://mapit.mysociety.org/

» MyGeoPosition.com
   Provides geocoding of worldwide addresses. In several languages.
   http://www.mygeoposition.com

» Socioeconomic Data and Applications Center
   Provides international environmental GIS data and maps.
   http://sedac.ciesin.columbia.edu

» TTI Production
   Specific geographic databases compatible with the majority of the GIS of the market.
   http://www.tti.fr/

» Tele Atlas
   Compiler of digital maps and dynamic content used by essential navigation and location-based services.
   http://www.teleatlas.com/

» The Climate Source
   Distributor of spatial climate data developed by Oregon State University's PRISM mapping program.
   http://www.climatesource.com/

» USGS Geography
   National mapping information from the U.S. Geological Survey. A good place to start the search for many kinds of GIS data.
   http://geography.usgs.gov/

» University Library Digital Spatial Data Catalog
   Searchable catalog of data/metadata managed by Numeric and Spatial Data Services at the University of Michigan Library
   http://quod.lib.umich.edu/cgi/b/bib/bib-idx?g=gisall