Sep 28, 2021 Using data provided by sister company Miningintelligence, MINING.COM has compiled a list of the world's biggest nickel companies based on their production in 2020. Russia's Norilsk Nickel (Nornickel) takes the top spot with over 178 kilotonnes (kt) produced, up from 172kts in 2019. Nornickel's Kola division, which includes five operating mines