Katsuyoshi Kawasaki

Otaki Gas Co., Ltd. engages in the sale and supply of gas and gas equipment. It offers liquefied petroleum gas, compressed natural gas, electricity, and gas installation services. The company was founded on August 13, 1956 and is headquartered in Mobara, Japan.

Kanto Natural Gas Development Co., Ltd. engages in the development, production and distribution of natural gas and the production and sale of iodine and brine. Its operates through the following segments: Gas Business, Iodine and Brine Business, and Others. The Gas Business segment involves the production and sale of natural gas, city gas, compressed natural gas, and liquefied petroleum gas. The Iodine and Brine Business segment deals with the production and sale of iodine, iodine compounds, and brine as raw material for iodine. The Others segment includes construction projects and equipment sales. The company was founded on May 24, 1917 and is headquartered in Mobara, Japan.