Tatneft PJSC engages in the exploration, development, and production of crude oil and gas. It operates through the following segments: Exploration and Production; Refining and Marketing; Petrochemicals; and Banking. The Exploration and Production segment explores, develops, extracts, and sells crude oil. The Refining and Marketing segment purchases and sells crude oil and refined products from third parties, own refining activities, and retailing operations. The Petrochemicals segment offers tires and technical carbon. The Banking segment comprises the operations of ZENIT bank. The company was founded in 1950 and is headquartered in Almetyevsk, Russia.