International Maritime Satellite Organization (IMSO or INMARSAT)
An international partnership of signatories from 62 nations. The partnership provides mobile satellite capacity to its signatories, who, in turn, use the capacity to provide worldwide mobile satellite services to their maritime, aeronautical and land-mobile customers–including shipping, cruise, fishing, research and offshore exploration industries, and airlines. INMARSAT began service in 1976. COMSAT is the U.S. signatory to INMARSAT. Contact: International Maritime Satellite Organization, 99 City Road, London EC1Y 1AX, U.K.; Tel:  (20) 7728-1777; Fax:  (20) 7728-1142; Web: www.inmarsat.com.