The Iranian Offshore Oil Company (IOOC, Persian: شرکت نفت فلات قاره ایران ) is a subsidiary of the National Iranian Oil Company. IOOC, an independent legal entity, is based in Tehran and operates in southern Iran. Its activities cover important areas of the Persian Gulf and its main operations are in Bushehr Province and on Kharg Island, Sirri Island and Lavan Island.[2]