Tatneft PJSC engages in the exploration, development and production of crude oil. The firm's activities include refining and marketing of crude oil and refined products, as well as production and marketing of petrochemicals. It operates through the following segments: Exploration and Production, Refining and Marketing and Petrochemicals. The Exploration and Production segment consists of the exploration, development, extraction and sale of crude oil. The Refining and Marketing segment engages in the purchase and sale of crude oil and refined products. The Petrochemicals segment engages in the sale of tires, petrochemical raw material and refined products. The company was founded in 1950 and is headquartered in Almetyevsk, Russia.