Hock Lian Seng Holdings Ltd is a Singapore-based civil engineering group. It is engaged in 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, housing development board, PSA Singapore terminals, public utility board, and civil aviation authority. It is also engaged in property development and property investment businesses. The operating segments of the group are Civil engineering, Property 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.