Through group companies, Frex is also involved in the operation of hotel, sports and cultural facilities. Dai-ichi Katei Denki is a retailer that specializes in electrical and electronics products for the home.
Most stores are in the Tokyo area.
Joshin Denki operates high-volume stores that sell household appliances, audio equipment, housing fixtures, personal computers, office equipment and similar products. Most stores are in the Osaka area, but there are also stores in the Tokyo and Nagoya regions. Nippon Gas sells LP gas for use in businesses and the home. Most operations are in the Tokyo area. The company is expanding rapidly in Japan and in other countries.