SIA Engineering Co. Ltd. engages 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. It operates through the Repair and Overhaul and Line Maintenance segments. The Repair and Overhaul segment provides airframe maintenance, component overhaul, engine repair and overhaul services, and fleet management program. These services include scheduled routine maintenance and overhaul, specialized and non-routine maintenance, modification and refurbishment programs. 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 towing, and the provision of aircraft ground support equipment and rectification work. The company was founded on March 16, 1982 and is headquartered in Singapore.