PJSC Tatneft engages in exploration, development, and production of crude oil in Russia and internationally. 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; and the purchase and sale of crude oil and refined products. In addition, it manufactures and sells equipment; operates gas station network; manufacturers fiberglass; and engages in electric power business, as well as process 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. PJSC Tatneft was founded in 1950 and is headquartered in Almetyevsk, Russia.