ESRI www.esri.com
Creator of ArcView, ArcInfo, and a host of other GIS software and utilities. Free downloads of extensions and scripts. Discussion groups, general GIS solutions and ESRI partnerships.

MN GIS/LIS www.mngislis.org
The Minnesota GIS/LIS Consortium is for communicating information to, and improving cooperation among, those interested in Geographic Information Systems (GIS) and Land Information Systems (LIS) in the State of Minnesota.

METROGIS www.metrogis.org
MetroGIS is a Geographic Information Systems project that is helping local governments and other organizations share data in the seven-county Twin Cities Area.

LMIC www.lmic.state.mn.us
The Land Management Information Center at Minnesota Planning offers services to improve the effective use of geographic information in Minnesota. Data clearinghouse.

DNR DATA DELI http://deli.dnr.state.mn.us
Low resolution data for the entire state, including natural resources and aerial photos. Also some useful extensions.

USGS www.usgs.gov
Online data, maps, news, and other information.

GIS Jobs Clearinghouse www.gjc.org
The GJC has resources for both employers and those seeking jobs in the GIS/RS fields.

NATIONAL GEOGRAPHIC www.nationalgeographic.com
Interactive mapping, news, features.

LIZARDTECH www.lizardtech.com
Home of MrSid (Multi-Resolution Seamless Image Database) image compression software.

MAPQUEST www.mapquest.com
Online directions, quick maps, and location of addresses.