Seibu Holdings Inc., founded in 2006 and headquartered in Toshima, Tokyo, is a TSE Prime-listed (9024) holding company comprising about 88 group companies inclu Mitsubishi Electric (Mobility) · JR East · News
Seibu Holdings Inc., founded in 2006 and headquartered in Toshima, Tokyo, is a TSE Prime-listed (9024) holding company comprising about 88 group companies including the Seibu Railway, the Prince Hotels & Resorts chain (60 domestic + 26 overseas), and the Saitama Seibu Lions baseball team.