Aerial and satellite imagery of the globe.

Offers free software, online mapping and GIS training, demos, data, product and service information, user scripts, and related information. Makers of ArcView, ArcGIS and ArcIMS.

Large GIS software developer. Locate software, data, events, solutions, services, partners, alliances, and corporate information.

AM/FM/GIS solutions for the utilities industry, including communications, gas, pipeline, electric, and water/wastewater.

Worldwide mapping solutions provider. Mapping servers for Internet and intranet applications.

Provides online aerial and satellite photo access via a public web viewer, custom built viewers for e-businesses, and their imagery extensions for GIS and CAD software.

Create maps for the internet using GIS data from shapefiles, tabfiles, or SDE. Also can utilitize data from any database accessible to Perl`s DBI module. Can run as CGI or through scripting languages such as Perl, Python, Tk/Tcl, Guile and even Java.

Allows visitors to locate parcel data for a number of municipalities in Virginia and North Carolina, United States, using a web-based GIS to query smart maps and data tables.

GIS content and news site with a focus towards Asia.

Data downloads, news, software tools and utilities.

Home of the Terra software environment, a realistic interactive, photo-based three-dimensional map of our planet available on the Internet.

The ESRI Virtual Campus offers self-paced GIS education in the science, application, and technology of GIS.

Links to catalogues of map collections and archives.

A desktop image processing software developer.

Provides satellite image processing from Landsat, Ikonos, Spot, QuickBird sensors and production services including digital aerial photography, digital elevation models (DEM), remote sensing and GIS.

Offers products, custom solutions, hosted services and training exclusively for Microsoft MapPoint technologies and platforms.

Provides introductory overviews on many aspects of GIS. Find information about industries, curriculums and current events in GIS.

Specializes in hydraulics and hydrology software.

Research center at the University of Arkansas, United States. Site contains resources for archaeologists, earth scientists and GIS specialists.

ITC develops and transfers knowledge for Sustainable Development, undertakes education, research and advisory services in earth observation and spatial information collection, analysis and management.

An online publication devoted to coverage of the GIS industry as well as guides to GIS related resources.