Proteus AG is a AA megacorporation headquartered on the island of Helgoland, AGS. A prominent German megacorporation, it conducts research in biotechnology, naval building, undersea drilling, and aerospace. It has regrouped its laboratories, shipyard and launching pad within marine arcologies (usually called "arkoblocks") in the North Sea, Sea of Japan and off South and North American coasts. Proteus is well known in the public eye for these massive arkoblocks.