Nestro Group has been operating in Bosnia and Herzegovina since 2007, when Russian state-owned company Zarubezhneft became through its subsidiary NeftegazInKor the majority shareholder of companies Oil Refinery Brod, Oil Refinery Modrica, and of the fuel distribution station network Petrol. In 2008, Zarubezhneft established a new company under the name Optima Group, based in Banja Luka.The task of Optima Group is planning and managing of oil industry development through companies Oil Refinery Brod and Oil Refinery Modrica, and also development and expansion of retail network of petrol stations Nestro Petrol. Optima Group's business activities include the purchase of raw materials for petroleum products manufacturing at the Oil Refinery Brod, marketing of finished products to domestic and foreign markets, marketing of base oils manufactured at the Oil Refinery Modrica on the world market, as well as development and expansion of retail network of petrol stations Nestro Petrol.All companies within the Group operate under a trademarked business name Nestro, which is the trademark of Zarubezhneft company.