Deripaska is the sole owner and Chairman of Supervisory Board of Basic Element, a Diversified investment group established in 1997. Basic Element's assets are concentrated in five sectors: Energy, Manufacturing, financial services, agriculture, construction and aviation. The major assets include United Company RUSAL the world's largest aluminium and alumina producer; GAZ Group, an Automotive company; Ingosstrakh, the country's oldest insurance company; Bank SOYUZ (Банк «СОЮЗ»); Aviakor aircraft manufacturer; EuroSibEnergo (ЕвроСибЭнерго), an investment and Energy supply company; Glavmosstroy (Главмосстрой), a construction company; Kuban Agroholding, an agricultural company; and Basel Aero, an aviation Business comprising the four largest airports in the Krasnodar territory (in joint venture with Changi Airports International).