| 3D landscape visualization for MAXON CINAMA 4D: Offers wire-meshes for the rendering software MAXON CINEMA 4D taken from the GTOPO30 dataset of the U.S. Geogical Survey. Also provide matched satellite images textures from NASA. |
| @City Inc: iStreetView - 360-degree Geocoded Street level Imaging on the Web |
| Aerial photography and satellite imagery: Company sells 1 foot orthoimagery and LANDSAT satellite imagery. |
| American Digital Cartography, Inc.: Providers of digital mapping data for use with CAD and GIS systems. |
| Baltic Sea GIS, Maps and Statistical Database: GIS data of land cover, population and other information for the Baltic Sea drainage basin. |
| Census Watch: ESRI sponsored clearing house, providing information about US census tract TIGER data availability and modifications. |
| Colorado Office of Emergency Management: Cartography and Mapping: State and local government oriented GIS data. |
| Community Cartography: An Internet mapping service and spatial data warehouse. |
| Community Mapping Network: Created to share a wealth of natural resource information and maps with communities in British Columbia, Canada. Allows users to add data. |
| Digital Chart of the World: Download the boundaries and layers of different countries, in Arc/INFO export format. |
| Digital Data Technologies, Inc (DDTi): Road centerline and address base mapping for GIS and E9-1-1. |
| Doyle's GIS Info Page: Information about GIS and Links to GIS site for mostly free data for the USA. |
| Earthmaps: Data, travel maps, recreation, and earth science applications. |
| Energisite.com: Internet delivery of online digital and raster well logs, well data, GeoCadd culture, and Analytical software using esri and AutoDesk MapGuide and AnGIS technologies. |
| Forest Spatial Information Catalog: The Forest Spatial Information Catalog (FSIC) is a central repository for forest related spatial metadata. |
| Geographic Data Technology: Digital map database compiler focused on the Americas. |
| GeographX Digital Mapping: New Zealand land information and GIS services. Site offers some free data. |
| Geosign Corporation: Provides geographic data for franchises and yellow-pages listed companies. |
| Geospace: Provides spatial data services. |
| GIS Data Depot: Provides free GIS data downloads and creates custom spatial data CD-ROMs. |
| GIS Express: Offers satellite and aerial images. |
| Go Spatial Limited: Producer of digital geographic data suitable for reference base mapping at global, regional or national levels. |
| GTOPO30 - Global Topographic Data: Digital elevation model (DEM) developed to meet the needs of geospatial data users for 30-arc second elevation data. |
| Hawaii Statewide GIS Program: Free downloadable GIS spatial data, metadata, and maps. |
| Infoshare: Community Data on New York City: Profile and compare neighborhoods, and produce original tables. |
| Kansas Geospatial Community: State of Kansas Data access and support center (DASC). DASC catalogues, archives, and distributes databases with FGDC compliant metadata and direct FTP access. |
| Louisiana Statewide GIS: Contains GIS and mapping data on the state of Louisiana. |
| MapFocus GeoTIFFs: Digital raster graphics for GIS and CAD applications. Includes continental US coverage, full resolution topography. |
| MASDEC GIS: Contain oceanographic data for the Straits of Malacca, Malaysia. |
| Metart: ARTEMIS and AGROMET data and information. Satellite images, meteorological data and related tools. |
| microDATA GIS: Spatial databases and enhanced 911 (E911) mapping and database solutions. |
| National Geospatial Data Framework - United Kingdom: Geospatial data infrastructure for the United Kingdom. Runs the UK Standard Geographic Base. |
| National Spatial Information Framework - South Africa: Geospatial data infrastructure for South Africa. |
| New York State GIS Clearinghouse: Operated by the New York State Office for Technology. Provides access to the New York State GIS Metadata and Data Repository. |
| NOS Data Explorer: Offers interactive mapping tools that allow users to locate NOS products in any area in the United States and its territories through a metadata catalog. |
| Perfect SRTM Project: SRTM is a 90m-resolution global elevation database. |
| Rainwater Basin GIS data site: This site provides free GIS data sets pertaining to the Rainwater Basin wetlands in Nebraska. |
| Rhode Island GIS: Data clearinghouse for the state of Rhode Island. |
| Tennessee Spatial Data Server: GIS data for the state of Tennessee. DOQQs, DRGs, DEMs, boundaries, wetlands, and geology. |
| Texas Natural Resources Information System: Clearinghouse for natural resources and GIS data. Online holdings include DOQs, DEMs and many vector datasets. |
| The Climate Source: Distributor of spatial climate data developed by Oregon State University's PRISM mapping program. |
| The Data Depot: A catalogue of European mapping, geocoding and geodemographic data sets for use in GIS software. |
| The DataStore: Offers downloadable digital GIS data and maps. |
| The Global Landsform Database: Offers downloadable maps including GIS, 3D and state maps with free preview. |
| Transnational Wadden Sea Information Service: Indices, GIS datasets and data source holders in countries around the Wadden Sea. |
| TTI Production - Remote Sensing and Image Processing: Specific geographic databases compatible with the majority of the GIS of the market. |
| United States National Atlas: Map layers available to the public. |
| University Library Digital Spatial Data Catalog: Searchable catalog of data/metadata managed by Numeric and Spatial Data Services at the University of Michigan Library |
| USGS Geography: National mapping information from the U.S. Geological Survey. A good place to start the search for many kinds of GIS data. |
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