Hungary

Budapest

URT Oil Trade Kft. H-1143, Stefania street 101-103, tel. +3614223194, email info@g-energy.hu, site www.gpn.hu

Zagreb

GNT d.o.o. 10000, Croatia, Zagreb, Republike Austrije 38, tel. +385 (0)1 7789982, email info@gnt.hr, site www.gnt.hr