Kaman Corporation is an American aerospace company, with headquarters in Bloomfield, Connecticut. It was founded in 1945 by Charles Kaman. During the first ten years the company operated exclusively as a designer and manufacturer of several helicopters that set world records and achieved many aviation firsts.
GKN Ltd is a British multinational automotive and aerospace components business headquartered in Redditch, England. It is a long-running business known for many decades as Guest, Keen and Nettlefolds. It can trace its origins back to 1759 and the birth of the Industrial Revolution.
Alliant Techsystems Inc. (ATK) was an American aerospace, defense, and sporting arms firm headquartered in Arlington County, Virginia, in the United States. The company operated in 22 states, Puerto Rico, and internationally. ATK revenue in fiscal year 2014 was about US$4.78 billion.
Aptiv PLC is an Irish-American automotive technology supplier with headquarters in Dublin. Aptiv grew out of the now-defunct American company, Delphi Automotive Systems, which itself was formerly a component of General Motors.
Smiths Group plc is a British, multinational, diversified engineering business headquartered in London, England. It operates in over 50 countries and employs 15,000 staff. Smiths Group is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.
Signature Aviation is a multinational aviation services company headquartered in Orlando, Florida. The company was founded as W. Wilson Cobbett Ltd in 1879 and subsequently specialised in the manufacture of industrial supplies, particularly in the automotive and aviation sectors. During the Second World War, the company produced materials for British military aircraft, such as the Supermarine Spitfire, Hawker Hurricane, and Hawker Typhoon. During the 1980s and 1990s, the firm decided to increasingly orientate itself towards the aviation industry via a string of acquisitions and divestitures. It was listed on the London Stock Exchange until it was acquired by Cascade Investment, Blackstone Group, and private equity firm Global Infrastructure Partners in May 2021.
Parker Meggitt is a British international company specialising in components and sub-systems for the aerospace, defence and selected energy markets. It was listed on the London Stock Exchange and was a constituent of the FTSE 100 Index until it was acquired by Parker Hannifin in September 2022.
IMI plc, formerly Imperial Metal Industries, is a British-based engineering company headquartered in Birmingham, England. It is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.
Magellan Aerospace Corporation is a Canadian manufacturer of aerospace systems and components. Magellan also repairs and overhauls, tests, and provides aftermarket support services for engines, and engine structural components. The company's business units are divided into the product areas of aeroengines, aerostructures, rockets and space, and specialty products. Its corporate offices in Mississauga, Ontario, Magellan operates in facilities throughout Canada, the United States, and the United Kingdom.
Ultra Electronics Holdings is a British defence and security company. It was listed on the London Stock Exchange and was a constituent of the FTSE 250 Index until it was acquired by Cobham, which is itself owned by Advent International.
TI Group plc was a holding company for specialised engineering companies. It was based in Abingdon, Oxfordshire and was listed on the London Stock Exchange, at one point being a constituent of the FTSE 100 Index.
Spectris plc is a supplier of precision instrumentation and controls. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
Héroux-Devtek Inc. is an international company specializing in the design, development, manufacture, repair and overhaul of landing gear, actuation systems and components for the aerospace market. Founded in 1942, the company's head office is located in Longueuil, Quebec. Héroux-Devtek Inc. has more than 1960 employees working in 18 facilities in North America and Europe. The corporation is the third-largest landing gear company worldwide, supplying both the commercial and defence sectors of the Aerospace market with new landing gear systems and components, as well as aftermarket products and services. It also manufactures actuation systems as well as ball screws. Héroux-Devtek's accomplishments include the manufacturing of the landing gear for the lunar module that landed Neil Armstrong on the moon for the Apollo 11 mission in 1969.
Daher is a French industrial conglomerate. It is operational across the aerospace, defence, nuclear, and automotive industrial sectors in the fields of manufacturing, services, and transport.
Hampson Industries plc was a large British provider of engineering services to the aerospace and automotive industries. The company was listed on the London Stock Exchange and is a constituent of the FTSE Fledgling Index. It is now in administration, which means it has become insolvent and is put under the control of Licensed Insolvency Practitioners.
Dowty Group was a leading British manufacturer of aircraft equipment. It was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index. The firm ceased operating as an individual entity following its acquisition by TI Group in 1992.
Triumph Group, Inc. is a supplier of aerospace services, structures, systems and support. Based in Berwyn, Pennsylvania, United States, Triumph engineers, designs, and manufactures aircraft components, systems, and accessories. Several services and products are offered through three of their operating organizations, Integrated Systems, Aerospace Structures, and Product Support.
Esterline Technologies Corporation was a publicly traded company that designs, manufactures, and markets specialty products primarily for aerospace and defense customers. The company is best known as a supplier of products and equipment for aerospace companies such as Boeing and Airbus; and for American and allied military forces.
UPECA Aerotech Sdn. Bhd. informally known as UPECA, is a part of Senior plc. It is the one of Malaysia's largest aerostructure suppliers to Spirit Aerosystems Europe and UTC Aerospace System. UPECA Aerotech's headquarters and manufacturing plant is in Shah Alam, Selangor. UPECA Aerotech supply aircraft components on Airbus A320, Airbus A330, Airbus A350 and Boeing 787 platforms. A manufacturing plant will be opened near Subang Airport in order to serve UPECA’s manufacturing, storage and distribution of aerospace parts.
Redwire Corporation is an American aerospace manufacturer and space infrastructure technology company headquartered in Jacksonville, Florida. The company was formed on June 1, 2020 by the private equity firm AE Industrial Partners.
£848.4 million (2022) [1] 
£20.2 million (2022) [1] 