PJSC Tatneft, together with its subsidiaries, engages in exploration, development, and production of crude oil primarily in Russia. The company operates in four segments: Exploration and Production, Refining and Marketing, Petrochemical Products, and Banking. It holds interests in oil and gas fields located principally on the territory of Tatarstan in Russia. The company is also involved in refining and marketing crude oil; the purchase and sale of crude oil and refined products from third parties; and retailing activities. In addition, it produces and sells tires and technical carbons, as well as petrochemical raw materials. Further, the company sells oilfield equipment, and auxiliary petrochemical related services and materials. Additionally, it is involved in banking activities. The company was founded in 1950 and is headquartered in Almetyevsk, Russia.