Hock Lian Seng Holdings Ltd is a Singapore-based civil engineering group. It is undertaking a wide range of civil engineering projects for both the public and private sectors in Singapore. The firm's customers include government and government-related bodies of Singapore, such as the Land Transport Authority, the Housing Development Board, PSA Singapore terminals, the public utility board, and the civil aviation authority. It is also engaged in property development and property investment businesses. Its operating segments are Civil engineering, Properties development, and Properties investment, of which the majority of its revenue comes from the Civil engineering segment. The group services all of its revenue from Singapore.