Andrey Vasilyevich Pismenny

ALROSA-Nyurba PJSC engages in the mining and processing of diamonds at the Nyurbinsky and Botuobinsky open-pits, and two same-name alluvial placers. It also processes gem and near-gem quality diamonds, ore, and sands. The company was founded on July 15, 1997 and is headquartered in Nyurba, Russia.

Bourevestnik, Inc. engages in development and manufacturing of X-ray equipment. Its products include single-crystal sample holders, x-ray crystal optics elements, and crystal diffraction dispersing elements. The firm also provides training, and warranty services. The company was founded in 1959 and is headquartered in St. Petersburg, Russian Federation.

Part of EVRAZ Plc, GMK Timir OAO is a mining company based in Neryungri, Russian Federation. The company's website is in Russian, but it appears to be involved in the extraction of minerals and metals. GMK Timir was acquired by EVRAZ Plc from ALROSA PJSC on April 29, 2013 for $159.06 million.

Part of ALROSA PJSC, ALROSA-Gaz Co. is a Russian company that extracts and transports natural gas and condensate. The company is based in Mirnyi, Russian Federation.