RTX Corporation, an aerospace and defense company, provides systems and services for the commercial, military, and government customers in the United States and internationally. It operates through three segments: Collins Aerospace, Pratt & Whitney, and Raytheon. The Collins Aerospace Systems segment offers aerospace and defense products, and aftermarket service solutions for civil and military aircraft manufacturers and commercial airlines, as well as regional, business, and general aviation, defense, and commercial space operations. This segment also designs, produces, and supports cabin interior, including oxygen systems, food and beverage preparation, storage and galley systems, and lavatory and wastewater management systems; battlespace, test and training range systems, crew escape systems, and simulation and training solutions; information management services; and aftermarket services that include spare parts, overhaul and repair, engineering and technical support, training and fleet management solutions, and asset and information management services. Its Pratt & Whitney segment supplies aircraft engines for commercial, military, business jet, and general aviation customers; and produces, sells, and services military and commercial auxiliary power units. The Raytheon segment provides defensive and offensive threat detection, tracking, and mitigation capabilities for U.S., foreign government, and commercial customers. The company was formerly known as Raytheon Technologies Corporation and changed its name to RTX Corporation in July 2023. RTX Corporation was incorporated in 1934 and is headquartered in Arlington, Virginia.

The Boeing Company, together with its subsidiaries, designs, develops, manufactures, sells, services, and supports commercial jetliners, military aircraft, satellites, missile defense, human space flight and launch systems, and services worldwide. The company operates through Commercial Airplanes; Defense, Space & Security; and Global Services segments. The Commercial Airplanes segment develops, produces, and markets commercial jet aircraft for passenger and cargo requirements, as well as provides fleet support services. The Defense, Space & Security segment engages in the research, development, production, and modification of manned and unmanned military aircraft and weapons systems; strategic defense and intelligence systems, which include strategic missile and defense systems, command, control, communications, computers, intelligence, surveillance and reconnaissance, cyber and information solutions, and intelligence systems; and satellite systems, such as government and commercial satellites, and space exploration. The Global Services segment offers products and services, including supply chain and logistics management, engineering, maintenance and modifications, upgrades and conversions, spare parts, pilot and maintenance training systems and services, technical and maintenance documents, and data analytics and digital services to commercial and defense customers. The Boeing Company was incorporated in 1916 and is based in Arlington, Virginia.

Lockheed Martin Corporation, a security and aerospace company, engages in the research, design, development, manufacture, integration, and sustainment of technology systems, products, and services worldwide. The company operates through Aeronautics, Missiles and Fire Control, Rotary and Mission Systems, and Space segments. The Aeronautics segment offers combat and air mobility aircraft, unmanned air vehicles, and related technologies. The Missiles and Fire Control segment provides air and missile defense systems; tactical missiles and air-to-ground precision strike weapon systems; logistics; fire control systems; mission operations support, readiness, engineering support, and integration services; manned and unmanned ground vehicles; and energy management solutions. The Rotary and Mission Systems segment offers military and commercial helicopters, surface ships, sea and land-based missile defense systems, radar systems, sea and air-based mission and combat systems, command and control mission solutions, cyber solutions, and simulation and training solutions. The Space segment offers satellites; space transportation systems; strategic, advanced strike, and defensive systems; and classified systems and services in support of national security systems. This segment also provides network-enabled situational awareness and integrates space and ground global systems to help its customers gather, analyze, and securely distribute critical intelligence data. It serves primarily serves the U.S. government, as well as foreign military sales contracted through the U.S. government. The company was formerly known as The Lockheed Corporation and changed its name to Lockheed Martin Corporation in March 1995. Lockheed Martin Corporation was founded in 1912 and is based in Bethesda, Maryland.

Northrop Grumman Corporation operates as an aerospace and defense technology company in the United States, Asia/Pacific, Europe, and internationally. The company's Aeronautics Systems segment designs, develops, manufactures, integrates, and sustains aircraft systems. This segment also offers unmanned autonomous aircraft systems, including high-altitude long-endurance strategic ISR systems and vertical take-off and landing tactical ISR systems; and strategic long-range strike aircraft, tactical fighter and air dominance aircraft, and airborne battle management and command and control systems. Its Defense Systems segment designs, develops, integrates, and produces tactical weapons and missile defense solutions, and provides sustainment, modernization, and training services for manned and unmanned aircraft and electronics systems. It also offers integrated, all-domain command, and control battle management systems, precision strike weapons; high speed air-breathing and hypersonic systems; high-performance gun systems, ammunition, precision munitions and advanced fuzes; aircraft and mission systems logistics support, sustainment, operations and modernization; and warfighter training services. The company's Mission Systems segment offers command, control, communications and computers, intelligence, surveillance, and reconnaissance systems; radar, electro-optical/infrared and acoustic sensors; electronic warfare systems; advanced communications and network systems; cyber solutions; intelligence processing systems; navigation; and maritime power, propulsion, and payload launch systems. Its Space Systems segment offers satellites, spacecraft systems, subsystems, sensors, and payloads; ground systems; missile defense systems and interceptors; launch vehicles and related propulsion systems; and strategic missiles. Northrop Grumman Corporation was founded in 1939 and is based in Falls Church, Virginia.

Leidos Holdings, Inc., together with its subsidiaries, provides services and solutions in the defense, intelligence, civil, and health markets in the United States and internationally. The company operates through Defense Solutions, Civil, and Health segments. The Defense Solutions segment offers national security solutions and systems for air, land, sea, space, and cyberspace for the U.S. Intelligence Community, the Department of Defense, the space development agency, the National Aeronautics and Space Administration, defense information systems agency, military services, and government agencies of U.S. allies abroad, as well as other federal and commercial customers in the national security industry. The solutions include technology, large-scale systems, command and control platforms, data analytics, logistics, and cybersecurity solutions, as well as intelligence analysis and operations support services to critical missions. The Civil segment provides systems integration services to air navigation service providers, including the federal aviation administration, the En route automation modernization, advanced technology oceanic procedure, time based flow management, terminal flight data management, geo-7, and future flight services, as well as enterprise-information display systems; and security detection services. It also offers information technology (IT) solutions in cloud computing, mobility, application modernization, DevOps, data center, network modernization, asset management, help desk operations, and digital workplace enablement; and environment, energy, and infrastructure services. The Health segment offers solutions to federal and commercial customers responsible for health and well-being of people, include health information management, managed health, digital modernization, and life sciences research and development services. Leidos Holdings, Inc. was founded in 1969 and is headquartered in Reston, Virginia.

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.

Curtiss-Wright Corporation, together with its subsidiaries, provides engineered products, solutions, and services mainly to aerospace and defense, commercial power, process, and industrial markets worldwide. It operates through three segments: Aerospace & Industrial, Defense Electronics, and Naval & Power. The Aerospace & Industrial segment offers industrial and specialty vehicle products, such as power management electronics, traction inverters, transmission shifters, and control systems; sensors, controls, and electro-mechanical actuation components used on commercial and military aircraft; and surface technology services including shot peening, laser peening, and engineered coatings. The Defense Electronics segment provides commercial off-the-shelf embedded computing board-level modules and processing equipment, data acquisition and flight test instrumentation equipment, integrated subsystems, instrumentation and control systems, tactical communications solutions; and electronic stabilization products, and weapons handling systems; avionics and electronics; flight test equipment; and aircraft data management solutions. The Naval & Power segment offers main coolant pumps, power-dense compact motors, generators, steam turbines, valves, and secondary propulsion systems; energy absorbers, retractable hook cable systems, net-stanchion systems and mobile systems to support fixed land-based arresting systems; hardware, valves, fastening systems, specialized containment doors, airlock hatches, and spent fuel management products; reactor coolant pumps and control rod drive mechanisms for commercial nuclear power plants, as well as various nuclear reactor technologies. This segment furnishes severe-service valve technologies and services, heat exchanger repair, and piping test and isolation products, and offers ship repair and maintenance for the U.S. navy. Curtiss-Wright Corporation was incorporated in 1929 and is headquartered in Davidson, North Carolina.

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.