PJSC Tatneft, together with its subsidiaries, engages in exploration, development, and production of crude oil primarily in Russia. The company operates through Exploration and Production, Refining and Marketing, Petrochemical Products, and Banking segments. It holds interests in oil and gas fields located in Tatarstan in Russia. The company is also involved in the 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 manufactures and sells equipment, as well as provides engineering, procurement, and construction services for oil, gas, and petrochemical projects. Further, the company sells oilfield equipment, and auxiliary petrochemical related services and materials. Additionally, it is involved in the banking activities. The company was founded in 1950 and is headquartered in Almetyevsk, Russia.