 The four main companies in the group are MUFG Bank (the largest bank in Japan), Mitsubishi Corporation (a general trading company), Mitsubishi Electric and Mitsubishi Heavy Industries (both being diversified manufacturing companies).The Mitsubishi company was established as a shipping firm by Iwasaki Yatarō (1834–1885) in 1870.In 1873, its name was changed to "Mitsubishi Shokai".