Sia Engineering Company Limited 

SIA Engineering Company Limited, a Singapore-headquartered firm established in 1982, delivers a full spectrum of maintenance, repair, and overhaul (MRO) solutions globally. Its clientele includes airline operators and aerospace equipment manufacturers. The company's operations are divided into two main segments: Airframe and Line Maintenance, and Engine and Component Services. The Airframe and Line Maintenance division encompasses a wide array of services. These include scheduled and routine airframe upkeep, comprehensive overhaul services, specialized non-routine maintenance, along with modification and refurbishment projects. This segment also provides line maintenance, covering aircraft certification, technical and non-technical ground handling (such as push-back and towing), the supply of aircraft ground support equipment, and rectification work. Additionally, it offers fleet management programs, which involve technical and inventory management, as well as diverse engineering and MRO solutions. The Engine and Component division focuses on the overhaul of aircraft components and the repair and overhaul of engines. Beyond these core offerings, SIA Engineering is actively engaged in manufacturing aircraft cabin parts and specialized tooling for the aerospace sector. It also undertakes repair and overhaul services for hydro-mechanical aircraft equipment. Its comprehensive engine services include full engine maintenance, parts repair, storage and preservation, material management, on-wing support, and thorough engine testing. The company functions as a subsidiary of Singapore Airlines Limited.