Nippon Gas Co., Ltd. engages in the supply and sale of LP gas and natural gas in Japan. It operates through LP Gas Business, Electricity Business, and City Gas Business segments. The company supplies LP gas through pipelines to homes built for sale, company dormitories, apartment buildings, other residential apartment complexes, as well as for commercial, industrial, agricultural, and automotive use; and high-pressure gas for commercial and industrial use. It also sells glass-top stoves, built-in stoves, gas oven ranges, gas rice cookers, dishwashers; gas water heaters, instant water heaters, floor heating products, bathroom heater/ventilation/dryer combo systems, and mist saunas; and commercial and industrial gas appliances. In addition, the company sells air-conditioning equipment, including gas and absorption heat pumps, cogeneration systems, and gas infrared heaters; remodeling-related equipment; and household equipment, as well as offers accident insurance agency services. Further, it engages in residential remodeling and consulting business; and the construction of gas, water supply, drainage, and air conditioning/heating equipment. Additionally, the company is involved in the electric power and gas business. The company was incorporated in 1947 and is based in Tokyo, Japan.