Larisa Vladimirovna Arincheva

SIJ dd engages in the manufacture of steel. It also offers distribution, processing, research and development, and scrapping services. The company's products are stainless, wear resistant, electrical, structural, and special steel, welding wires, nickel alloys, and industrial knives. SIJ was founded in 1969 and is headquartered in Ljubljana, Slovenia.

Metinvest BV engages in iron ore mining, coking coal mining and coke production. The company was founded in 2001 and is headquartered in The Hague, the Netherlands.

Industrial Metallurgical Holding Management Co. manages several metallurgical mills, coke plant and coking coal mines. It acquires, develops and modernizes coke plants, coal-mining and metallurgical enterprises as well as metallurgical powder and cast-iron production assets. The company was founded in 1993 and is headquartered in Moscow, Russian Federation.