PT Perusahaan Gas Negara Tbk, together with its subsidiaries, engages in the transmission and distribution of natural gas in Indonesia. It operates through three segments: Gas commercial and transmission, Exploration and Production of Oil and Gas, and Other operations. It is involved in the exploration, production, and trading of oil and gas; liquefied natural gas processing activity; trading of oil and gas; and exploration, exploitation, and business development in oil and gas. The company also provides fiber optic rental for network services; construction and maintenance services to the customers; management and leasing services for buildings and equipment; engineering and consultancy services; telecommunications; and electricity services. The company was founded in 1859 and is headquartered in Jakarta, Indonesia. PT Perusahaan Gas Negara Tbk is a subsidiary of PT Pertamina (Persero).