Great Taipei Gas Corporation and its subsidiaries supply natural gas in Taiwan. The company offers meter installation, calculation, maintenance, and repair services. It also manufactures, installs, markets, and supplies gas and related equipment, and sells measuring instruments such as gauges and meters. Additionally, it is involved in telecommunications, office building rental, securities investment, banking and insurance, cultural, trading, investment, manufacturing, water heaters, solar energy machines and parts, design and installation of components, repair and agency services, residential and commercial buildings, public housing, and network communication services. The company was founded in 1964 and is headquartered in Taipei, Taiwan.