Americas Petroleum Survey Group http://apsg.home.texas.net/
A professional organization of global positioning experts from the petroleum industry. Site offers advice and information about GPS, geodetic datums, map projection, and other aspects of location technology.
ASPRS http://www.asprs.org/
American Society of Photogrammetry and Remote Sensing: The imaging and geospatial information society.
Geomatics Business Park http://www.geomaticspark.com/
A business and science office park for companies operating in the field of remote sensing, and associated technologies. Located near the Dutch National Aerospace Laboratory (NLR) in Flevoland, The Netherlands.
Society of Cartographers http://www.soc.org.uk/
Membership is widely drawn from the education sector, statutory institutions, local authorities, public utilities and the commercial and publishing industry.
