FTGroup Co., Ltd. operates a network infrastructure business in Japan. It serves as a retail electricity supplier offering Fene Denki and FT Denki, rents and sells water-saving devices under the JET brand, and acts as an intermediary for water server sales. The company also sells, installs, and provides after-sales services for appliances, office automation equipment, air conditioning equipment, LED lighting, and air purifiers, as well as solar power generation equipment and storage batteries. It offers optical internet service under the Hikari Hayatoku brand and provides network security products, file servers, security products, and information and communication equipment for small and medium-sized businesses and individual business owners. Incorporated in 1985 and headquartered in Tokyo, Japan, FTGroup Co., Ltd. is a subsidiary of Hikari Tsushin, Inc.