Constructing and equipping and carrying out all executive operations of building construction, road construction, bridge construction, mechanical installations, and electrical installations, streams and rivers canalization, dam construction, construction of piers and water structures of power and petrochemical buildings, installation and maintenance of all mechanical and electrical installations, metal structures, concrete structures, wooden structures, landscaping, roads, and highways construction and their widening and optimization and residential, industrial, laboratory, research, and commercial buildings, shed construction and sports facilities, operating and organizing green space, facilities major repairs and restoration, mapping, exporting and importing as well as purchasing and marketing all permitted commercial commodities, participating in tenders and auctions, obtaining loans from public and private banks and entering into contracts.