ST Engineering (Singapore Technologies Engineering) is an engineering company that operates in the fields of Aerospace, Digital Tech, Smart Cities, Cybersecurity, Defense, and Public Security. The Aerospace segment provides MRO services, aerostructure systems, and aviation asset management. The Digital Tech segment offers IoT, cloud services, analytics, AI, and data science solutions. The Smart City segment focuses on the connectivity, mobility in rail and road, security, infrastructure, and environmental aspects of cities. The Cybersecurity segment offers supply chain monitoring, cloud security, managed detection and response, and other services. The Defense segment provides battlefield mobility platforms, soldier systems, ammunition, and naval vessels, and related air, land, and sea defense solutions. The Public Security segment offers solutions that cover critical infrastructure, intelligence operations, and homeland security applications.