MMC Norilsk Nickel PJSC engages in the exploration, extraction, refining of ore and nonmetallic minerals, and sale of base and precious metals produced from ore. It operates through the following segments: GMK Group; South Cluster; KGMK Group; NN Harjavalta; GRK Bystrinskoye; Other Mining; and Other Non-Metallurgical. The GMK Group segment includes main mining, processing and metallurgy operations as well as transport services, energy, repair and maintenance services located in Taimyr Peninsula. The South Cluster segment includes certain ore mining and processing operations located in Taimyr Peninsula. The KGMK Group segment includes mining and metallurgy operations, energy, exploration activities located in Kola Peninsula. The NN Harjavalta segment includes refinery operations located in Finland. The GRK Bystrinskoye segment includes ore mining and processing operations located in the Zabaikalsky region of the Russian Federation. The Other Mining segment engages in in metal mining and processing joint operations of nkomati nickel mine. The Other Non-Metallurgical segment deals with metal and other trading, supply chain management, transport services, energy and utility, research, and other activities located in Russia and abroad. The company was founded on November 4, 1989 and is headquartered in Moscow, Russia.