ESRI - 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.

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

ER Mapper - A desktop image processing software developer.

ERDAS, Inc - Creators of Imagine software.

VDS Technologies - Offers Internet/intranet GIS and mapping components for Web developers.

Smallworld GIS - An object-oriented GIS.

WoolleySoft - Specializes in landscape visualization and geographical software.

PCI Geomatics - Remote sensing, image interpretation, digital photogrammetry, and data visualization.

ComGrafix, Inc. - GIS and mapping software, map publishing and indexing, and customized digital map files.

OAGIS - OAGIS offers a wide variety of consulting, services and products in GIS and digital mapping.

TruFlite's 3D World - 3D landscape rendering systems to create animations and high resolution images of any landscape.

ESRI Canada - Canadian distributor of ESRI software.

Grass GIS - Open source GIS raster, topological vector, image processing, and graphics production functionality.

CARIS Geographic Information Systems - Supports raster, vector and dimensional data, cartography, map projections, topology and digital terrain modeling.

CARIS Internet Server - Supports browsing, distributing, and viewing of maps and map related information.

Manifold System - Many gigabytes of free maps and a nice GIS at a low price.

GeoSnap Software - Offers ArcView GIS extension to repair damaged ArcView project files. Also offers consulting services.

GeoLytics - Offers CD integrating US Census and demographic data with boundaries and mapping software.

MacDEM - An application to view, edit, and convert DEM and SDTS DEM files for the Mac OS.

UTMCON 3.0 by Windmill Shareware - Program for GIS:UTM latitude/longitude conversion.

MAP Systems, Inc - Authorized ESRI reseller, offering ArcView, its extensions, and many other ESRI products at very competitive prices.

SWEGIS, Consultant and GIS Software Provider - Creator of Analysis Extension, TableEdit Extension and SweTrans software.

Pocket Systems Ltd. - Developer of PocketGIS, a GIS for Windows CE handheld computers.

SchoolVision Software - Offers a K-12 school district GIS planning tool.

Geographic Information Management Services - Complete GIS solutions based in South Africa.

Luciad - Advanced solutions for geo-spatial data handling andvisualization. Online GIS applets.

MFworks by Thinkspace - Raster GIS with image processing and spatial analysis functions.

Open Source GIS Index - Index of open source tools for Web-GIS, CAD, and remote sensing.

ImageSTOR Raster Database Manager - System for managing spatial raster databases in GIS systems.

Understanding Systems GIS Software - OasisGIS line of products includes CountyMapper, DeedPro, and TopoMetrix.

Carto World - Provides integrative mapping technology and consulting.

Cartesia MapArt - Products designed for graphic designers to customize and work with maps. Users can buy and download files online.

Seart - Provides software and services for land management.

Dynamic Graphics, Inc. - Makers of EarthVision, a commercial 3D geospatial analysis and visualization package.

MicroImages, Inc. - Creator of TNTmips, an advanced professional GIS and geospatial data analysis package for Windows, Unix and Macintosh.

Byers SpatialAge Solutions - Geospatial software solutions for the utilities and telecommunications industries.

Haestad Methods - Specializes in hydraulics and hydrology software.

Baker GeoResearch, Inc. - Developers of products relating to utility usage, e-911, road centerlines and more.

Tobin International, Ltd. - Integrated, map-powered land management solutions.

Doric Computer Systems - Provides software and services to handle data while retaining an Open Component Architecture.

QuestSoft - Software for the Home Mortgage Disclosure Act. Provides US Census tracts based on addresses entered into loan origination software.

Apic S.A. - Designs and publishes APIC, a software product for managing geographic information. Site in both English and French.

Weiler Mapping, Inc. - Provides GIS services, including data conversion of assessment and utility mapping, database development and data integration.

Leica Geosystems - Company offers GIS products for multiple applications.

TerrainLab - Using elevation data models, this software creates high quality relief shaded maps of terrains and Earth.

AnGIS Software Incorporated - Developer of the Datamorpher, which provides access to multiple database sources.

GEOREF Systems Ltd. - Company provides various GIS software packages.

Wheatley Associates - Developers of asset management, geographic asset management and field work processing

CartaLinx - The Spatial Data Builder - Digital map development tool designed as a companion to GIS and desktop mapping products.

CEDRA Corporation - AVseries software offers engineering tools in a GIS environment for CAD, cogo, parcel mapping, water and sewer analysis modeling.

Baseline Business Geographics - Software, data, training, consulting and development services for. See our live on-line mapping demo.

InteliMap, Inc. - Provides electric and gas utility boundaries for mapping and data analysis, using Tactician software and the ABI database.

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

Ingit - Software developer in geographical information technology and fabrication of electronics maps.

SIA Limited - Creaters of dataMAP, a multi-user GIS for 32 bit Windows operating systems.

Gecko Software, USGS DRG and Orthophotography - USGS digital topography map products for CAD and GIS. RealTopo and PhotoTopo products for AutoCAD. DRG and orthophotography for GIS.

Caliper Corporation - Develops GIS and transportation software.

ExploSTat - Performs exploratory spatial data analysis to identify outliers and areas with the same spatial variation.

Best-Fit Computing, Inc. - Manufactures Columbus, a geodetic network design, analysis, coordinate transformation and adjustment software.

AGIS for Windows - Geographic data plotting.

Azteca Systems Cityworks - Producers of a GIS-based work management system for public works, utilities, state, and local government.

Coherent Networks, Inc. - Products enhance operational performance and data quality in outage, distribution and network management.

Kingsimons Investments P/L - Developers of OzGIS, a shareware mapping system which displays and analyses spatially related data.

Gaenger & Bruckner, Geo Information Systems - Provides GIS software products and services.

TatukGIS - Comprehensive GIS development toolkit with 2000+ functions and properties, GIS internet server, and aerial imagery rectification software.

Autometric, Inc. - Provides data visualization and analysis software.

TerraSeer - Statistical analysis software for environmental and public health decision making.

Geoimage - Image processing software for map production. Provider of DEM, Land Cover, and Orthoimages geographic databases.

Tenet Systems - Provides real-time mapping software and services for the defense and transportation market.

Intergraph - Provides technical software, systems integration and services specialising in mapping/GIS to local and federal government, transportation, process and building, utilities, communications and public safety.

DIVA-GIS - DIVA-GIS is free software for the analysis of biological distribution data. It includes point-to-grid mapping of species richness, diversity, complementarity, and molecular distance.

CEDRA Engineering and GIS Publications - Software for map preparation, survey data import and civil engineering.

MapInfo @ GeoSolutions - We provide training, support and consulting services for mapping applications in health, retail, telecommunications, municipal, geophysical and crime analysis using MapInfo and Vertical Mapper.

Interlis - the GeoLanguage - This site hosts freely available specifications and information about software and projects. The INTERLIS standard is a tool for communication between users and systems and serves as a link between UML and XML. It is probably mong the first to implement the 'model-based' ISO 19100 series.

Miner and Miner, Consulting Engineers, Inc. - Developer of ArcFM enterprise solutions; has provided engineering services for the utility industry since 1946; an ArcInfo, Automated Mapping/ Facilities Management/ Geographic Information Systems implementor since 1986.