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HEICO Corporation, through its subsidiaries, designs, manufactures, and sells aerospace, defense, and electronic related products and services in the United States and internationally. Its Flight Support Group segment provides jet engine and aircraft component replacement parts; thermal insulation blankets and parts; renewable/reusable insulation systems; and specialty components. This segment also distributes hydraulic, pneumatic, structural, interconnect, mechanical, and electro-mechanical components for the commercial, regional, and general aviation markets; and offers repair and overhaul services for jet engine and aircraft component parts, avionics, instruments, composites, and flight surfaces of commercial aircraft, as well as for avionics and navigation systems, and other instruments utilized on military aircraft. The company's Electronic Technologies Group segment provides electro-optical infrared simulation and test equipment; electro-optical laser products; electro-optical, microwave, and other power equipment; electromagnetic and radio frequency (RF) interference shielding and suppression filters; power conversion and interface; interconnection devices; and underwater locator beacons and emergency locator transmission beacons. This segment also offers traveling wave tube amplifiers and microwave power modules; memory products and specialty semiconductors; harsh environment connectivity products and custom molded cable assemblies; RF and microwave products; communications and electronic intercept receivers and tuners; self-sealing auxiliary fuel systems; active antenna systems and airborne antennas; nuclear radiation detectors; silicone products; power amplifiers; ceramic-to-metal feedthroughs and connectors; technical surveillance countermeasures equipment; RF receivers and sources; embedded computing solutions; test sockets and adapters; and radiation assurance services. The company was incorporated in 1957 and is headquartered in Hollywood, Florida.

Huntington Ingalls Industries, Inc. designs, builds, overhauls, and repairs military ships in the United States. It operates through three segments: Ingalls, Newport News, and Mission Technologies. The company is involved in the design and construction of non-nuclear ships comprising amphibious assault ships; expeditionary warfare ships; surface combatants; and national security cutters for the U.S. Navy and U.S. Coast Guard. It also provides nuclear-powered ships, such as aircraft carriers and submarines, as well as refueling and overhaul, and inactivation services of nuclear-powered aircraft carriers. In addition, the company offers naval nuclear support services, including fleet services comprising design, construction, maintenance, and disposal activities for in-service the U.S. Navy nuclear ships; and maintenance services on nuclear reactor prototypes. Further, the company provides C5ISR systems and operations; application of artificial intelligence and machine learning to battlefield decisions; defensive and offensive cyberspace strategies and electronic warfare; live, virtual, and constructive solutions; unmanned, autonomous systems; and fleet sustainment; and critical nuclear operations. Huntington Ingalls Industries, Inc. was founded in 1886 and is headquartered in Newport News, Virginia.

MTU Aero Engines AG, together with its subsidiaries, engages in the development, manufacture, marketing, and maintenance of commercial and military aircraft engines, and aero-derivative industrial gas turbines in Germany, other European countries, North America, Asia, and internationally. It operates through two segments: Original Equipment Manufacturing (OEM Business); and Maintenance, Repair, and Overhaul (MRO Business). The company offers commercial aircraft engines for wide body jets, narrow body and regional jets, business jets, and turboprops; military aircraft engines for fighter jets, helicopters, and transporters; and industrial gas turbines. It also maintains, repairs, and overhauls commercial and military engines; and manufactures and markets various spare parts. The company was formerly known as MTU Aero Engines Holding AG and changed its name to MTU Aero Engines AG in May 2013. MTU Aero Engines AG was founded in 1913 and is headquartered in Munich, Germany.

Rolls-Royce Holdings plc develops and delivers complex power and propulsion solutions for air, sea, and land in the United Kingdom and internationally. The company operates through four segments: Civil Aerospace, Defence, Power Systems, and New Markets. The Civil Aerospace segment develops, manufactures, markets, and sells aero engines for large commercial aircraft, regional jet, and business aviation markets, as well as provides aftermarket services. The Defence segment is involved in the development, manufacture, marketing, and sale of military aero engines, naval engines, and submarine nuclear power plants, as well as offers aftermarket services. The Power Systems segment engages in the development, manufacture, marketing, and sale of integrated solutions for onsite power and propulsion under the mtu brand name. The New Markets segment develops, manufactures, and sells small modular reactor and new electrical power solutions. Rolls-Royce Holdings plc was founded in 1884 and is headquartered in London, the United Kingdom.

Textron Inc. operates in the aircraft, defense, industrial, and finance businesses worldwide. It operates through six segments: Textron Aviation, Bell, Textron Systems, Industrial, Textron eAviation, and Finance. The Textron Aviation segment manufactures, sells, and services business jets, turboprop and piston engine aircraft, and military trainer and defense aircraft; and offers maintenance, inspection, and repair services, as well as sells commercial parts. The Bell segment supplies military and commercial helicopters, tiltrotor aircrafts, and related spare parts and services. The Textron Systems segment offers unmanned aircraft systems, electronic systems and solutions, advanced marine crafts, piston aircraft engines, live military air-to-air and air-to-ship training, weapons and related components, and armored and specialty vehicles. The Industrial segment offers blow-molded solutions, including conventional plastic fuel tanks and pressurized fuel tanks for hybrid vehicle applications, clear-vision systems, plastic tanks for catalytic reduction systems, and battery housing systems for use in electric vehicles primarily to automobile original equipment manufacturers (OEMs); and golf cars, off-road utility vehicles, powersports products, light transportation vehicles, aviation ground support equipment, professional turf-maintenance equipment, and turf-care vehicles to golf courses and resorts, government agencies and municipalities, consumers, outdoor enthusiasts, and commercial and industrial users. The Textron eAviation segment manufactures and sells light aircraft and gliders with electric and combustion engines; and provides other research and development initiatives related to sustainable aviation solutions. The Finance segment offers financing services to purchase new and pre-owned aviation aircraft and Bell helicopters. Textron Inc. was founded in 1923 and is headquartered in Providence, Rhode Island.