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.

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.

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.

Loar Holdings Inc., through its subsidiaries, designs, manufactures, and markets aerospace and defense components for aircraft, and aerospace and defense systems in the United States and internationally. It offers products in various categories, which include airframe components, structural components, avionics, composites, braking system components, de-ice and ice protection, electro-mechanical, engineered materials, flight controls, fluid and motion controls, environmental, metal forming, molded components, and restraints and safety devices. The company also provides auto throttles, lap-belt airbags, two-and three-point seat belts, water purification systems, fire barriers, polyimide washers and bushings, latches, hold-open and tie rods, temperature and fluid sensors and switches, carbon and metallic brake discs, fluid and pneumatic-based ice protection, RAM air components, sealing solutions, actuation devices, and others. It primarily serves commercial, business jet and general aviation, and defense markets. Loar Holdings Inc. was founded in 2017 and is headquartered in White Plains, New York.

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.

ESCO Technologies Inc. produces and supplies engineered products and systems for industrial and commercial markets worldwide. It operates through three segments: Aerospace & Defense, Utility Solutions Group, and RF Test & Measurement. The Aerospace & Defense segment designs and manufactures filtration products, including hydraulic filter elements and fluid control devices used in commercial aerospace applications; filter mechanisms used in micro-propulsion devices for satellites; and custom designed filters for manned aircraft and submarines. It also designs, develops, and manufactures elastomeric-based signature reduction solutions for U.S. naval vessels; and mission-critical bushings, pins, sleeves, and precision-tolerance machined components for landing gear, rotor heads, engine mounts, flight controls, and actuation systems for the aerospace and defense industries. The Utility Solutions Group segment provides diagnostic testing solutions that enable electric power grid operators to assess the integrity of high-voltage power delivery equipment; and decision support tools for the renewable energy industry, primarily wind and solar. The RF Test & Measurement segment designs and manufactures RF test and secure communication facilities, acoustic test enclosures, RF and magnetically shielded rooms, RF measurement systems, and broadcast and recording studios; and RF absorptive materials, filters, antennas, field probes, test cells, proprietary measurement software, and other test accessories to perform various tests. The company distributes its products through a network of distributors, sales representatives, direct sales teams, and in-house sales personnel. The company was incorporated in 1990 and is based in Saint Louis, Missouri.

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.

AstroNova, Inc. designs, develops, manufactures, and distributes specialty printers, and data acquisition and analysis systems in the United States, Europe, Asia, Canada, Central and South America, and internationally. The company operates in two segments, Product Identification (PI) and Test & Measurement (T&M). The PI segment offers tabletop and production-ready digital color label printers, and OEM printing systems under the QuickLabel brand; digital color label mini-presses and inline printing systems under the TrojanLabel brand; and label materials, tags material, inks, toners, and thermal transfer ribbions under the GetLabels brand. This segment also develops and licenses various specialized software programs to design and manage labels and print images; and provides training and support. This segment serves chemicals, cosmetics, food and beverage, medical products, nutraceuticals, pharmaceuticals, and other industries; and brand owners, label converters, commercial printers, and packaging manufacturers. The T&M segment offers airborne printing solutions, such as ToughWriter used to print hard copies of navigation maps, arrival and departure information, flight itineraries, weather maps, performance data, passenger data, and various air traffic control data; ToughSwitch, an ethernet switches used to connect multiple computers or Ethernet devices; TMX data acquisition systems; Daxus DXS-100 distributed data acquisition platform; SmartCorder DDX100 portable data acquisition systems for facility and field testing; and Everest EV-5000, a digital strip chart recording system used primarily in aerospace and defense. This segment serves aerospace and aerospace and defense, automotive, commercial airline, energy, manufacturing, and transportation industries. The company was formerly known as Astro-Med, Inc. and changed its name to AstroNova, Inc. in May 2016. AstroNova, Inc. was incorporated in 1969 and is headquartered in West Warwick, Rhode Island.