Tokyo Gas Co.,Ltd. engages in the production, supply, and sale of city gas and LNG in Japan. It operates through Energy Solutions, Network, Overseas, and Urban development segments. The company is involved in the production, supply, and sale of electricity; provision of engineering solutions and energy services, as well as transmission service of city gas; and trading activities. It also provides offshore resource development and investment; and energy supply. In addition, the company engages in the real estate development; and leasing and management of land and buildings. The company was formerly known as Tokyo Gas Company and changed its name to Tokyo Gas Co.,Ltd. in July 1893. The company was incorporated in 1885 and is headquartered in Tokyo, Japan.