Tokyo Metro 

Tokyo Metro Co., Ltd. engages in the operation and management of railways in Japan. It provides railway passenger transportation services. The company also manages shops at stations and other commercial facilities; develops and rents office buildings and hotels; and provides advertising and IT services, such as advertisements in stations, premises and trains, and an information and communications business that handles licensing of mobile phone communication services, as well as leasing optical fiber cable, etc. The company was formerly known as Teito Rapid Transit Authority and changed its name to Tokyo Metro Co., Ltd. in 2004. The company was founded in 1920 and is based in Tokyo, Japan.