Hock Lian Seng Holdings Limited, an investment holding company, primarily provides civil engineering services to public and private sectors in Singapore. It operates through three segments: Civil Engineering, Properties Development, and Properties Investment. The Civil Engineering segment engages in infrastructure construction and civil engineering works for bridges, expressways, tunnels, mass rapid transit, port facilities, water and sewage facilities, and other infrastructure works to government and government related bodies. Its Properties Development segment develops properties in the residential and industrial sectors.