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. History ST Engineering's history began with its precursor, the Chartered Industries of Singapore, which was established in 1967 by the newly independent Singaporean government as an ammunition manufacturer. Businesses related to aerospace and shipbuilding were later created and put under the ST umbrella. The ST group of companies went commercial in 1990, setting up its first commercial airframe manufacturing, repair and overhaul facilities in Singapore and the United States. ST Engineering was created in December 1997 as a merger of four listed companies: ST Aerospace, ST Electronics, ST Kinetics and ST Marine. Its shares debuted on the Singapore Exchange on 8 December 1997. Since then, ST Engineering has grown to become one of Asia's largest defence and engineering groups for commercial and defence organisations across multiple industries. In Mar 2007, ST Engineering was ranked 19th in the aerospace & defence industry and 1,661th of 2,000 of the world's largest public companies by Forbes. Areas of business ST Engineering is a major player in the defence and military industries. It was ranked Number 61 in the Stockholm International Peace Research Institute's list of the world's top 100 defence manufacturers in 2021. Outside of Singapore, it has sold defence products to over 100 countries, including United States, United Kingdom, Indonesia, Philippines, United Arab Emirates, Brazil, Sweden, India, Thailand and Finland. ST Engineering do not design, produce or sell anti-personnel mines, cluster munitions, white phosphorus munitions and its related key components. In 2018, the Group harmonised all brands by using "ST Engineering" as a Masterbrand while in 2020, the Group reorganised as Commercial and Defence & Public Security clusters, replacing the sector-structure of Aerospace, Electronics, Land Systems and Marine. ST Engineering's network of subsidiaries and associated companies spans across the Americas, Asia, Europe and the Middle East. ST Engineering