Tiong Seng Holdings Ltd. engages in building construction, civil engineering, and property development. It operates through the following segments: Construction, Engineering Solutions, Property Development, and Others. The Construction segment involves as main contractors in construction and civil engineering projects and provision of construction and civil engineering services to property developers and government in both private and public sectors. The Engineering Solutions segment cconsists manufacturing and supplying precast and prefabricated components as well as provision of steel and mass engineered timber works to main contractors in construction and civil engineering projects. The Property Development segment focuses on the development and sales of properties. The Other segment includes rental and general corporate activities. The company was founded by Pek Ah Tuan, Pay Seng Koon, Lee Tuan Chay, and Khng Kwi Cher in 1959 and is headquartered in Singapore.