FTGroup Co., Ltd. engages in the network infrastructure business in Japan. The company operates as a retail electricity supplier and provide its electricity services Fene Denki and FT Denki; rent and sale the water-saving device under the JET brand; act as an intermediary for the sale of water servers; sale, installation, and after-sales services for appliances and office automation equipment, as well as air conditioning equipment, LED lighting, and air purifiers; and sale and installation of solar power generation equipment and storage batteries. It also provides optical internet service under the Hikari Hayatoku brand; network security products, file servers, security products, information, and communication equipment for small and medium-sized businesses and individual business owners. The company was incorporated in 1985 and is headquartered in Tokyo, Japan. FTGroup Co., Ltd. operates as a subsidiary of Hikari Tsushin, Inc.