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.

TransDigm Group Incorporated designs, produces, and supplies aircraft components in the United States and internationally. The Power & Control segment offers mechanical/electro-mechanical actuators and controls, ignition systems and engine technology, specialized pumps and valves, power conditioning devices, specialized AC/DC electric motors and generators, batteries and chargers, databus and power controls, sensor products, switches and relay panels, hoists, winches and lifting devices, delivery systems and electronic components, and cargo loading and handling systems. This segment serves engine and power system and subsystem suppliers, airlines, third party maintenance suppliers, military buying agencies, and repair depots. The Airframe segment provides engineered latching and locking devices, engineered rods, engineered connectors and elastomer sealing solutions, cockpit security components and systems, cockpit displays, engineered audio, radio and antenna systems, lavatory components, seat belts and safety restraints, engineered and customized interior surfaces and related components, thermal protection and insulation products, lighting and control technology, parachutes, specialized flight, wind tunnel and jet engine testing services and equipment, and testing and instrumentation solutions. This segment serves airframe manufacturers, cabin system and subsystem suppliers, airlines, third party maintenance suppliers, military buying agencies, and repair depots. The Non-aviation segment offers seat belts and safety restraints; mechanical/electromechanical actuators and controls; hydraulic/electromechanical actuators and fuel valves; refueling systems; and turbine controls. This segment serves off-road vehicle and subsystem suppliers, child restraint system suppliers, and satellite and space system suppliers; and manufacturers of heavy equipment. TransDigm Group Incorporated was founded in 1993 and is based in Cleveland, Ohio.

General Dynamics Corporation operates as an aerospace and defense company worldwide. It operates through four segments: Aerospace, Marine Systems, Combat Systems, and Technologies. The Aerospace segment produces and sells business jets; and offers aircraft maintenance and repair, management, aircraft-on-ground support and completion, charter, staffing, and fixed-base operator services. The Marine Systems segment designs and builds nuclear-powered submarines, surface combatants, and auxiliary ships for the United States Navy and Jones Act ships for commercial customers, as well as builds crude oil and product tankers, and container and cargo ships; provides maintenance, modernization, and lifecycle support services for navy ships; offers and program management, planning, engineering, and design support services for submarine construction programs. The Combat Systems segment manufactures land combat solutions, such as wheeled and tracked combat vehicles, Stryker wheeled combat vehicles, piranha vehicles, weapons systems, munitions, mobile bridge systems with payloads, tactical vehicles, main battle tanks, armored vehicles, and armaments; and offers modernization programs, engineering, support, and sustainment services. The Technologies segment provides information technology solutions and mission support services; mobile communication, computers, and command-and-control mission systems; intelligence, surveillance, and reconnaissance solutions to military, intelligence, and federal civilian customers; cloud computing, artificial intelligence; machine learning; big data analytics; development, security, and operations; and unmanned undersea vehicle manufacturing and assembly services. The company was founded in 1899 and is headquartered in Reston, Virginia.

Spirit AeroSystems Holdings, Inc. engages in the design, engineering, manufacture, and marketing of commercial aerostructures worldwide. It operates through three segments: Commercial, Defense & Space, and Aftermarket. The Commercial segment offers forward, mid, and rear fuselage sections and systems, floor beams, nacelles, struts/pylons, horizontal and vertical stabilizers, flaps and slats flight control surfaces, wing structures, and wing systems. This segment primarily serves commercial and business/regional jet programs. The Defense & Space segment engages in the fabrication, bonding, assembly, testing, tooling, processing, engineering analysis, and training on fuselage, strut, nacelle, and wing aerostructures; provision of missiles and hypersonics solutions, such as solid rocket motor throats, nozzles, re-entry vehicle thermal protections systems; forward cockpit and cabin, and fuselage work on rotorcraft aerostructures; and classified programs. This segment primarily serves U.S. Government defense programs. The Aftermarket segment provides maintenance, repair, and overhaul services; fuselage, strut, nacelle, and wing aerostructures spare parts; repair services for radome, flight control surfaces, and nacelles; rotable assets trading and leasing; and engineering services. This segment primarily serves both commercial and defense and space programs. The company was formerly known as Mid-Western Aircraft Systems Holdings, Inc. Spirit AeroSystems Holdings, Inc. was founded in 1927 and is headquartered in Wichita, Kansas.

Triumph Group, Inc. designs, engineers, manufactures, repairs, overhauls, and distributes aircraft, aircraft components, accessories, subassemblies, and systems worldwide. It operates in two segments, Triumph Systems & Support, and Triumph Interiors. The company offers aircraft and engine-mounted accessory drives, thermal control systems and components, cargo hooks, high lift actuations, cockpit control levers, hydraulic systems and components, control system valve bodies, landing gear actuation systems, electronic engine controls, landing gear components and assemblies, cyber protected process controllers, main engine gearbox assemblies, geared transmissions and drive train components, main fuel pumps, fuel-metering units, primary and secondary flight control systems, and vibration absorbers. It also provides thermo-acoustic insulation systems, environmental control system ducting, and other aircraft interior components. The company serves original equipment manufacturers of commercial, regional, and military aircraft. Triumph Group, Inc. was incorporated in 1993 and is headquartered in Radnor, Pennsylvania.

AAR Corp. provides products and services to commercial aviation, government, and defense markets worldwide. The Parts Supply segment leases and sells aircraft components and replacement parts. The Repair & Engineering segment provides airframe maintenance services, such as airframe inspection, painting, line maintenance, airframe modification, structural repair, avionics service and installation, exterior and interior refurbishment, and engineering and support services; component repair services comprising maintenance, repair, and overhaul (MRO) services, engine and airframe accessories, and interior refurbishment; and landing gear overhaul services, including repair services on wheels and brakes. This segment also develops specific aircraft components and parts; and designs proprietary designated engineering representative repairs. The Integrated Solutions segment engages in the fleet management and operation of customer-owned aircraft; provision of supply chain logistics services, such as material planning, sourcing, logistics, information and program management, and parts and component repair and overhaul services; and flight hour component inventory and repair services. In addition, the segment provides integrated software solutions comprising Trax, a cloud-based electronic enterprise resource platform, as well as a suite of paperless mobility apps for automating MRO workflows. The Expeditionary Services segment designs, manufactures, and repairs transportation pallets; and containers and shelters for military and humanitarian tactical deployment activities, including armories, supply and parts storage, refrigeration systems, tactical operation centers, briefing rooms, laundry and kitchen facilities, water treatment, and sleeping quarters, as well as engages in provision of engineering, design, and system integration services for specialized command and control systems. AAR Corp. was founded in 1951 and is headquartered in Wood Dale, Illinois.

Kaman Corporation, together with its subsidiaries, operates in the aerospace, defense, medical, and industrial markets. The company operates through three segments: Engineered Products, Precision Products, and Structures. The Engineered Products segment produces and markets aircraft bearings and components; super precision; miniature ball bearings; and spring energized seals, springs, and contacts, as well as wheels, brakes, and related hydraulic components for helicopters and fixed-wing, and UAV aircraft. The Precision Products segment provides safe and arming solutions for missile and bomb systems for the U.S. and allied militaries; undertakes subcontract helicopter works; restores, modifies, and supports its SH-2G Super Seasprite maritime helicopters; and supports heavy lift K-MAX manned helicopter, and the KARGO UAV unmanned aerial system. The Structures segment offers metallic and composite aero structures for commercial, military, and general aviation fixed and rotary wing aircrafts; and medical imaging solutions. The company operates in North America, Europe, the Middle East, Asia, Oceania, and internationally. Kaman Corporation was incorporated in 1945 and is headquartered in Bloomfield, Connecticut.