電通 (Dentsu Group) 

Dentsu Group Inc. operates in the advertising business in Japan, the Americas, Europe, the Middle East and Africa, and the Asia Pacific. The company offers advertising services, including newspapers, magazines, radio, television, internet, sales promotions, movies, out-of-home, public transportation, and other services. It also provides event marketing, creative, marketing, public relation, contents, and other services. In addition, the company sells software and develops systems, as well as offers outsourcing/operation/maintenance services. Further, it buys and sells real estate properties; rents office space; and provides building maintenance services. Dentsu Group Inc. was founded in 1901 and is headquartered in Tokyo, Japan.