gold and silver. Additionally UMMC produces lead including Italian steel company ILVA S.p.A and Brazilian steel company Votorantim Siderurgia to strengthen its steel business. 1. Glencore Plc – $219.75bn. Glencore Plc emerged as the world's biggest metals and mining company in 2018 based on revenues.Metalloinvest is a leading metals and mining company in Russia and the CIS
