Parker-Hannifin Corporation manufactures and sells motion and control technologies and systems for various mobile, industrial, and aerospace markets worldwide. The company operates through two segments: Diversified Industrial and Aerospace Systems. The Diversified Industrial segment offers various motion-control systems and components, such as active and passive vibration control, high purity sealing, coatings, high temperature sealing, cryogenic valves and fittings, HVAC/R controls and monitoring, elastomeric, fabric reinforced, metal, precision cut seals, hydrogen and natural gas filters, electric and hydraulic pumps and motors, industrial air, gas filtration, electric and hydraulic valves, miniature pumps and valves, electromagnetic interface shielding, pneumatic actuators, regulators and valves, electromechanical and hydraulic actuators, power take offs, electronics, drives and controllers, process filtration solutions, engine filtration solutions, rubber to substrate adhesives, fluid condition monitoring, sensors and diagnostics, fluid conveyance hose and tubing, structural adhesives, high pressure connectors, fittings, valves and regulators, thermal management, high purity fittings. The Aerospace Systems segment offers products for use in commercial and defense airframe and engine programs, such as avionics, electric & hydraulic braking systems, electric power, electromechanical actuators, engine exhaust systems and components, fire detection and suppression, flight control systems, fluid conveyance, fuel systems & components, fuel tank inerting systems, hydraulic pumps & motors, hydraulic valves & actuators, pneumatics, seals, sensors, and thermal management products. The company sells its products to original equipment manufacturers, distributors, direct-sales employees, and sales representatives. Parker-Hannifin Corporation was founded in 1917 and is headquartered in Cleveland, Ohio.

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.

Moog Inc. designs, manufactures, and integrates precision motion and fluid controls and controls systems for original equipment manufacturers and end users in the aerospace, defense, and industrial markets in the United States, Germany, and internationally. The company operates through four segments: Space and Defense, Military Aircraft, Commercial Aircraft, and Industrial. Its Space and Defense segment provides critical defense components and motion-control systems used in defense vehicle platforms, missile systems, naval ships and submarines; high-performance components and systems used for space launch vehicles, satellites and spacecraft vehicles. This segment also offers cutting-edge solutions for applications, including space exploration, defense platforms, and advanced systems for missile guidance, propulsion, and vehicle controls. The Military Aircraft segment designs, manufacture and integrate primary and secondary flight controls, mission-critical actuation systems, and products for various military fixed-wing aircraft and rotorcraft. The Commercial Aircraft segment designs, manufactures, and integrates flight-critical control systems and products for various commercial aircraft. The company's Industrial segment provides customized and high-performance motion control components and systems for industrial automation, medical, simulation, and test and energy applications, including precision components, as well as simulation platforms. The company was formerly known as Moog Valve Company. Moog Inc. was incorporated in 1951 and is headquartered in East Aurora, New York.

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.

Barnes Group Inc. provides engineered products, industrial technologies, and solutions in the United States and internationally. The company operates through two segments: Industrial and Aerospace. The Industrial segment offers precision components, products, and systems used by various customers in end-markets, such as mobility, industrial equipment, automation, personal care, packaging, electronics, and medical devices. This segment also designs and manufactures hot runner systems, mold cavity sensors and process control systems, and precision high cavitation mold assemblies for injection molding applications; provides force and motion control solutions for various metal forming and other industrial markets; and designs and develops robotic grippers, end-of-arm tooling systems, sensors, and other automation components for intelligent robotic handling solutions and industrial automation applications. In addition, it manufactures and supplies precision mechanical products, including mechanical springs, and high-precision punched and fine-blanked components used in mobility and industrial applications. This segment sells its products primarily through its direct sales force and distribution channels. The Aerospace segment produces fabricated and precision machined components and assemblies for turbine engines; and nacelles and structures for commercial and defense-related aircraft. It also provides aircraft engine component maintenance, repair, and overhaul services for turbine engine manufacturers, commercial airlines, and defense market; and manufactures and delivers aerospace aftermarket spare parts. This segment serves original equipment manufacturing industry. Barnes Group Inc. was founded in 1857 and is headquartered in Bristol, Connecticut.

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.

Ducommun Incorporated provides engineering and manufacturing services for products and applications used primarily in the aerospace and defense, industrial, medical, and other industries in the United States. The company operates through two segments, Electronic Systems and Structural Systems. The Electronic Systems segment provides cable assemblies and interconnect systems; printed circuit board assemblies; electronic, electromechanical, and mechanical components and assemblies, as well as lightning diversion systems; and radar enclosures, aircraft avionics racks, shipboard communications and control enclosures, printed circuit board assemblies, cable assemblies, wire harnesses, interconnect systems, lightning diversion strips, surge suppressors, conformal shields, and other assemblies. The segment also supplies engineered products, including illuminated pushbutton switches and panels for aviation and test systems; microwave and millimeter switches and filters for radio frequency systems and test instrumentation; and motors and resolvers for motion control. In addition, this segment provides engineering expertise for aerospace system design, development, integration, and testing. The Structural Systems segment designs, engineers, and manufactures contoured aluminum, titanium, and Inconel aero structure components; structural assembly products, such as winglets, engine components, and fuselage structural panels; aerodynamic systems; and metal and composite bonded structures and assemblies comprising aircraft wing spoilers, large fuselage skins, rotor blades on rotary-wing aircraft and components, flight control surfaces, engine components, ammunition handling systems, and magnetic seals. It serves commercial aircraft, military fixed-wing aircraft, military and commercial rotary-wing aircraft, and space programs, as well as industrial, medical, and other end-use markets. The company was founded in 1849 and is headquartered in Costa Mesa, California.