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, KGMK Group, NN Harjavalta, Other mining, and Other Non-metallurgical. The GMK Group segment includes mining and metallurgy operations, transport services, energy, repair, and maintenance services located at Taimyr Peninsula. The KGMK Group segment consists of mining and metallurgy operations, energy, and exploration activities located at Kola Peninsula. The NN Harjavalta segment handles refinery operations located in Finland. 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.