Singapore Technologies Engineering Ltd is a Singapore-based global technology, defense and engineering company. The Company operates through a diverse portfolio of businesses across the aerospace, smart city, defense and public security segments. The Company operates through three segments: Commercial Aerospace, Urban Solutions & Satcom, and Defence & Public Security. The Commercial Aerospace segment includes airframe, engine and components maintenance, repair and overhaul, original equipment manufacturer for nacelles, composite floorboard and passenger-to-freighter conversions and aviation asset management. The Urban Solutions & Satcom segment includes smart mobility, smart utilities and infrastructure, urban environment solutions and satcom. Defence & Public Security segment includes public safety and security, critical information infrastructure solutions and others. It comprises defense business areas, such as digital systems and cyber, land systems, marine and defense aerospace.