LUKOIL Neftochim Burgas (ЛУКОЙЛ Нефтохим Бургас), based in Burgas, Bulgaria, is the largest oil refinery in Southeastern Europe and the largest industrial enterprise in Bulgaria. Owned by Russian oil giant LUKOIL, the refinery has the biggest contribution among the privately owned enterprises to the country's GDP and to the state budget revenues. LUKOIL Neftochim Burgas is the leading producer and supplier of liquid fuels, petrochemicals and polymers for Bulgaria and the region and one of the leading companies in its field in Europe.