Tiong Seng Holdings Ltd. engages in building construction, civil engineering and property development. It operates through the following segments: Construction, Property Development, Engineering Solutions and Others. The Construction segment relates to acting 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 Property Development segment relates to development and sales of properties. The Engineering Solutions segment manufactures and supplies precast and prefacbricated components as well as provision of steel and mass engineered timber works to main contractors in construction and civil engineering projects. The Others segment consists of general corporate activities. The company was founded by Ah Tuan Pek, Seng Koon Pay, Tuan Chay Lee and Kwi Cher Khng in 1959 and is headquartered in Singapore.