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.

PAO Severstal is an integrated Iron & Steel works company with a range of products: hot and cold rolled steel, roll-formed shapes and pipes, rolled sections, a large group of coke products and by-products. Co. also has various social responsibilities such as the operation and maintenance of sports complexes, holiday and recreational facilities and public housing. Co.'s operations are organized along three principal divisions: Severstal Russian Steel engaged in crude steel production; Severstal Resources engaged in the production of iron ore concentrate, pellets and coking coal; and Severstal International engaged in the production of high-quality flat-rolled products.