Singapore Technologies Engineering Ltd, doing business as ST Engineering, is a Singaporean multinational technology and engineering group in the aerospace, smart city as well as defence and public security sectors. Headquartered in Singapore, the group reported a revenue of S$7.7 billion in FY2021, ranks among the largest companies listed on the Singapore Exchange, and is one of Asia's largest defence and engineering groups. It is a component stock of FTSE Straits Times Index, MSCI Singapore, iEdge SG ESG Transparency Index and iEdge SG ESG Leaders Index. ST Engineering has about 23,000 employees worldwide with two-thirds of its employees in the engineering and technology roles. Wikipedia