SIA Engineering Company Limited is engaged in the provision of airframe maintenance and component overhaul services, the provision of line maintenance and technical ground handling services, fleet management program and investment holdings. The Company's segments include repair and overhaul, and line maintenance. The repair and overhaul segment provides repair and overhaul services, which include scheduled routine maintenance and overhaul, specialized and non-routine maintenance, modification and refurbishment programs. Its Fleet management program encompasses fleet technical management and inventory technical management services, which include the provision of comprehensive engineering and MRO solutions that can be customized to provide maintenance support to airlines. The line maintenance segment provides aircraft certification and technical ground handling services, such as push-back and to wing, and the provision of aircraft ground support equipment and rectification work.