Gazprom PJSC engages in the geological exploration, production, transportation, storage, processing and marketing of gas and other hydrocarbons. It operates through the following segments: Production of Gas; Transport; Distribution of Gas; Gas storage; Production of Crude Oil & Gas Condensate; Refining; and Electric & Heat Energy Generation and Sales. The Production of Gas segment includes exploration and production of gas. The Transport segment transports gas. The Distribution segment is in charge of the sale of gas within Russian Federation and abroad. The Gas Storage segment stores the company's extracted and purchased gas in underground gas storages. The Production of Crude Oil & 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.