Tokyo Gas Co., Ltd. engages in the provision of city gas and other gas-related products. It operates through the following segments: Gas, Electric Power, Overseas Business, Energy-related, Real Estate, and Others. The Gas segment produces, supplies, and sells city gas and liquid gas. The Electric Power segment handles electric power services. The Overseas Business segment deals with overseas resource development, investment, and energy. The Energy-related segment includes engineering solutions, gas appliances, and gas construction works. The Real Estate segment leases and manages land and buildings. The Others segment includes information processing service and shipping businesses. The company was founded by Eiichi Shibusawa on October 1, 1885 and is headquartered in Tokyo, Japan.