Sega Sammy Holdings
Dentsu, Euglena (company), Fujifilm, Fuji Xerox, Fujitsu, Haseko, Hazama Ando, Japan Tobacco, Kajima, Kaneka Corporation, Konami, KYB Corporation, Kyodo News, Mitsubishi Motors, Mitsui Chemicals, Mitsui O.S.K. Lines, Mitsui Oil Exploration Company, NEC, Nippon Sheet Glass, NYK Line, Obayashi Corporation, Oki Electric Industry, Pizza-La, The Pokémon Company, THK, Toagosei, Toraya Confectionery, Sato Pharmaceutical, Sega Sammy Holdings, Sigma Seven, Sony, SUMCO, Toraya Confectionery, Toyo Suisan (owns the branch Maruchan), TV Tokyo, WOWOW, and Yazaki. In addition ANA subsidiary Air Japan has some offices in Minato.