Runs the UK Standard Geographic Base. 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. North Coast Geographic Information Cooperative - GIS data and clearinghouse for northern California. Contains public domain data for United States federal, state, local, and tribal governments.
Free demos are available for download.
Shenandoah Valley Data Clearinghouse - Metadata and geospatial data relating to the Shenandoah Valley, Virginia. Spot Image - Distributor of earth observation raster imagery received from optical and radar remote sensing satellites. Texas Natural Resources Information System - Clearinghouse for natural resources and GIS data. Online holdings include DOQs, DEMs and many vector datasets. Inc. - Offers demographic, census and zip code databases, and data conversion and CASS certification services.