INA-Industrija nafte dd is an exploration company. The firm engages in the exploration and production of oil and gas deposits. It operates through the following segments: Exploration and Production, Refining and Marketing and Corporate and Other. The Exploration and Production segment explores, produces, and sells crude oil. The Refining and Marketing segment engages in crude oil processing, wholesale of refinery products, and selling of natural gas, and selling of fuels and commercial goods in retail stations and logistics. The Corporate and Other segment provides services for core activities. The company was founded on January 1, 1964 and is headquartered in Zagreb, Croatia.