National Science Foundation Office of Polar Programs:
http://www.nsf.gov/home/polar/start.htm

Raytheon Polar Services Company:
http://www.polar.org

Australian Antarctic Program:
http://www.antdiv.gov.au

Bigelow Laboratory for Ocean Sciences:
http://www.bigelow.org

University of South Florida, Project Oceanography:
http://www.marine.usf.edu/pjocean/

MVS, Inc.
http://www.mvsusa.com