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.

Petropavlovsk is engaged in the mining of precious and non-precious metals which require it to hold licences which permit it to explore and mine in particular areas in Russia. Co.'s reportable segments, which are aligned with its operating locations, are Pokrovskiy, Pioneer, Malomir and Albyn hard-rock gold mines which are engaged in gold and silver production as well as field exploration and mine development.