 Now Makhmudov is the main owner of Uralskaya Gorno-Metallurgicheskaya Kompaniya (UGMK) Holding.This is the fourth largest non-ferrous metallurgical company in Russia, Russia's second-largest copper producer in terms of output.With his partner Makhmudov also acquired a 50% stake in Izdatelskiy Dom Rodionova (Rodionov Publishing House), which publishes the Russian version of BusinessWeek.