Yongnam Holdings Limited is a Singapore-based investment holding company. The Company operates as multi-discipline engineering and construction services company. The Company operates through three divisions. Its Structural Steelworks division provides engineering coordination, detailing and full-service fabrication and erection of structural steel. It operates in Singapore, Malaysia, Thailand and Hong Kong. The division designs, fabricates, supplies and erections steel structural frames for long span aircraft hangars, high rise buildings, commercial and industrial buildings, as well as infrastructure related developments. Specialist Civil Engineering division has developed expertise in a specialist activity within civil engineering, the supporting structures for cofferdam construction. Mechanical Engineering division is divided into the three areas, installation of mechanical equipment and plant; supply, fabrication and installation of mechanical components; and plant maintenance.