K&O Energy Group Inc. engages in the development, production, supply, and sale of natural gas in Japan and internationally. The company is also involved in the manufacture and sale of iodine; and sale of city gas and LP gas. In addition, it undertakes construction, civil engineering, and piping works; sells gas equipment; and offers geothermal wells drilling, geology, and water quality research services. The company was founded in 2014 and is headquartered in Mobara, Japan.