AK Alrosa PAO. AK Alrosa PAO (Aktsionernaya kompaniya ALROSA PAO or ALROSA Company PJSC), formerly AK Alrosa OAO, is a Russia-based company which is principally engaged in the exploration, mining, manufacture and sales of diamonds. Its operations include five Integrated Mining and Processing Complexes: Mirny, Udachny, Aikhal, Anabar and Nyurba located in the Sakha Republic; sorting divisions and diamond cutting and polishing division. The Company is a member of variable diamonds associations. It operates through several representative offices, branches and subsidiaries, including Alrosa-Nyurba OAO, Almazy Anabara OAO and Severalmaz OAO.

MMC Norilsk Nickel PJSC is a global producer of nickel, palladium, platinum and copper. Co. also produces by-products, such as cobalt, chromium, rhodium, silver, gold, iridium, ruthenium, selenium, tellurium and sulfur. Co. is involved in prospecting, exploration, extraction, refining and metallurgical processing of minerals, as well as in production, marketing and sale of base and precious metals. Co.'s production facilities are located in five countries: Russia, Australia, Botswana, Finland, and South Africa. Co.'s production units are integrated and include: the Polar Division (the Taimyr Peninsula); and the Kola Mining and Metallurgical Company (Kola MMC or the Kola Peninsula).

United Company Rusal is a producer of aluminium and alloys. Co.'s production chain include bauxite and nepheline ore mines, alumina refineries, aluminium smelters and casting houses, foil mills and packaging production centres. Co. operates in four reportable segments: Aluminium, which is involved in the production and sale of primary aluminium; Alumina, which involved in the mining and refining of bauxite into alumina and the sale of alumina; Energy, which include the mining and sale of coal and the generation and transmission of electricity; Mining and Metals, which includes the equity investment in Co.'s joint venture, PJSC MMC Norilsk Nickel.