Gazprom OAO engages in the geological exploration, production, transportation, storage, processing and marketing of gas and other hydrocarbons It operates through the following segments: Transport, Distribution, Gas storage, Production of crude oil and gas condensate, Refining, and Electric and heat energy generation and sales. The Transport segment transports gas. The Distribution segment is in charge of the sale of gas. The Gas storage segment stores the company's extracted and purchased gas in underground gas storages. The Production of crude oil and gas condensate segment explores, produces and sells oil and gas condensate. The Refining segment processes oil, gas condensate and other hydrocarbons, and sells refined products. The company was founded in 1989 and is headquartered in Moscow, Russia.