GEOS (eikaiwa)
GEOS (株式会社ジオス, Kabushiki Kaisha Jiosu) was one of the Big Four private eikaiwa, or English conversation teaching companies, in Japan. Its extensive network of overseas schools made it the world's largest language school chain. The firm went into bankruptcy in Japan on April 20, 2010. Its headquarters were in the Shin Osaki Kangyo Building (新大崎勧業ビルディング, Shin Ōsaki Kangyō Birudingu) in Shinagawa, Tokyo.GEOS (eikaiwa), which stands for Global Education Opportunities and Services, was formed in 1973 by Tsuneo Kusunoki. The first school was based in Tokushima City, Tokushima Prefecture, Japan, also the location of one of the company's main registered offices.