Construction & Investment JSC No. 18 (HNX: L18), widely known as Licogi 18, is a Vietnam-based company primarily engaged in civil and industrial engineering, real estate development, and building materials manufacturing. Founded in 1961 and headquartered in Hanoi, Vietnam, the company operates across several integrated business segments, serving municipal, industrial, commercial, and residential sectors primarily in Northern and Central Vietnam. The company's core products and services include general contracting and construction for high-rise buildings, industrial plants, and social infrastructure; civil engineering and transport infrastructure development, including highways, bridges, drainage networks, and industrial zone infrastructure; foundation engineering, underground construction, and mechanized earthmoving services; manufacturing and commercial distribution of ready-mix concrete, precast concrete components, and quarried stone aggregates; fabrication, processing, and assembly of steel structures and industrial equipment; investment, development, and management of urban townships, commercial properties, and residential complexes; construction machinery and specialized equipment leasing; and investment in small-to-medium scale hydropower generation. In recent developments, Construction & Investment JSC No. 18 has expanded its real estate investment portfolio by advancing major urban projects, including the Bac Cau Han New Urban Area in Hai Duong Province. The company has also secured new industrial and infrastructure construction contracts across key economic zones, upgraded its mechanical and concrete production facilities to enhance operational efficiency, and strengthened its financial and capital base to support expanding project pipelines and strategic energy infrastructure investments.