Singapore Technologies Engineering Ltd. is a technology, defence and engineering company, which specializes in the aerospace, electronics, land systems and marine sectors. It employs about 22,000 people across offices in Asia, the Americas, Europe and the Middle East, serving customers in the defence, government and commercial segments in more than 100 countries. The company with more than 500 smart city projects across 70 cities in its track record, the group continues to help transform cities through its suite of smart mobility, smart security and smart environment solutions. It operates through the following segments: Aerospace, Electronics, Land Systems, and Marine. The Aerospace segment provides spectrum maintenance and engineering services that include air-frame, engine and component maintenance, repair and overhaul, engineering design, development, and technical services; and aviation materials and management services, including total aviation support. The Electronics segment delivers system solutions to government, commercial, defence, and industrial customers. The Land Systems segment provides design and engineering services, manufacture, sales and know-how transfer of military and commercial vehicles, automotive subsystems, robotic systems, armament, weapons, weapon systems, ammunition and explosives. The Marine segment provides turnkey building, repair, and conversion services for a naval and commercial vessel. The company was founded in 1967 and is headquartered in Singapore.