SIA Engineering Company Limited, together with its subsidiaries, engages in the provision of maintenance, repair, and overhaul (MRO) services in Singapore, Philippines, Japan, Malaysia, Cambodia, and the United States of America. It operates through Airframe and Line Maintenance; and Engine and Component segments. The Airframe and Line Maintenance segment offers airframe maintenance, including scheduled routine maintenance and overhaul, specialized and non-routine maintenance, and modification, and refurbishment services; line maintenance that provides aircraft certification, and technical and non-technical ground handling services, such as push-back and towing, as well as aircraft ground support equipment and rectification work; and inventory technical management which provide fleet technical management and inventory technical management services comprising engineering and MRO solutions. The Engine and Component segment provides component overhaul, and engine repair and overhaul services. It also offers repair and overhaul services for hydro-mechanical equipment for Boeing and Airbus aircraft; turnkey solutions for aircraft interior modifications; and aircraft maintenance services that consist of technical and non-technical handling at the airport. The company was incorporated in 1982 and is based in Singapore. SIA Engineering Company Limited operates as a subsidiary of Singapore Airlines Limited.