General Electric Company, doing business as GE Aerospace, designs and produces commercial and defense aircraft engines, integrated engine components, electric power, and mechanical aircraft systems. It also offers aftermarket services to support its products. The company operates in the United States, Europe, China, Asia, the Americas, the Middle East, and Africa. General Electric Company was incorporated in 1892 and is based in Evendale, Ohio.

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.

Howmet Aerospace Inc. provides advanced engineered solutions for the aerospace and transportation industries in the United States, Japan, France, Germany, the United Kingdom, Mexico, Italy, Canada, Poland, China, and internationally. It operates through four segments: Engine Products, Fastening Systems, Engineered Structures, and Forged Wheels. The Engine Products segment offers airfoils and seamless rolled rings primarily for aircraft engines and industrial gas turbines; and rotating and structural parts. The Fastening Systems segment produces aerospace fastening systems, as well as commercial transportation, industrial, and other fasteners; and latches, bearings, fluid fittings, and installation tools. The Engineered Structures segment provides titanium ingots and mill products, aluminum and nickel forgings, and machined components and assemblies for aerospace and defense applications; and titanium forgings, extrusions, and forming and machining services for airframe, wing, aero-engine, and landing gear components. The Forged Wheels segment offers forged aluminum wheels and related products for heavy-duty trucks and commercial transportation markets. The company was formerly known as Arconic Inc. Howmet Aerospace Inc. was founded in 1888 and is based in Pittsburgh, Pennsylvania.

Crane Company, together with its subsidiaries, manufactures and sells engineered industrial products in the United States, Canada, the United Kingdom, Continental Europe, and internationally. The company operates in three segments: Aerospace & Electronics, Process Flow Technologies, and Engineered Materials. The Aerospace & Electronics segment supplies critical components and systems, including original equipment and aftermarket parts for commercial aerospace, as well as the military aerospace, defense, and space markets. This segment also offers pressure sensors for aircraft engine control, aircraft braking systems for commercial aircraft and fighter jets, power conversion solutions for spacecraft, and lubrication systems. The Process Flow Technologies segment provides engineered fluid handling equipment for mission-critical applications. It offers process valves and related products, such as lined pipe, fittings and hoses, air-operated diaphragm and peristaltic pumps, instrumentation and sampling systems, valve positioning and control systems, and valve diagnostic and calibration systems; commercial valves; and pumps and systems. The Engineered Materials segment manufactures fiberglass-reinforced plastic panels and coils for use in the manufacturing of recreational vehicles, as well as in commercial and industrial building applications. This segment sells directly to RV, trailer, and truck manufacturers, as well as through distributors and retailers. The company provides its products and solutions to end markets, including commercial and military aerospace, defense, and space; chemical and pharmaceutical production; water and wastewater; non-residential and municipal construction; energy; and other general industrial and consumer-related applications. The company was formerly known as Crane Holdings, Co. Crane Company was founded in 1855 and is based in Stamford, Connecticut.

Haynes International, Inc. develops, manufactures, markets, and distributes nickel and cobalt-based alloys in sheet, coil, and plate forms in the United States, Europe, China, and internationally. The company offers high-temperature resistant alloys used by manufacturers of equipment, including jet engines for the aerospace market, gas turbine engines for power generation, and industrial heating equipment. It also provides corrosion-resistant alloys used in various applications, including chemical processing, power plant emissions control, and hazardous waste treatment. In addition, its products also have applications in flue-gas desulfurization, oil and gas, waste incineration, industrial heat treating, automotive, thermocouples, sensors and instrumentation, biopharmaceuticals, solar, and nuclear fuel. Further, the company produces its products in various forms, such as seamless and welded tubulars, slab, bar, billet, and wire. Additionally, it sells its products primarily through direct sales organizations, and network of independent distributors and sales agents. Haynes International, Inc. was founded in 1912 and is headquartered in Kokomo, Indiana. As of November 21, 2024, Haynes International, Inc. operates as a subsidiary of North American Stainless, Inc.

Park-Ohio Holdings Corp. provides supply chain management outsourcing services, capital equipment, and manufactured components in the United States, Europe, Asia, Mexico, Canada, and internationally. It operates through three segments: Supply Technologies, Assembly Components, and Engineered Products. The Supply Technologies segment offers Total Supply Management that comprises engineering and design support, part usage and cost analysis, supplier selection, quality assurance, bar coding, product packaging and tracking, just-in-time and point-of-use delivery, electronic billing, and ongoing technical support services, as well as provides spare parts and aftermarket products; and production components, such as valves, fuel hose assemblies, electro-mechanical hardware, labels, fittings, steering components, and other products. This segment also engineers and manufactures precision cold-formed and cold-extruded fasteners, and other products comprising locknuts, SPAC nuts, SPAC bolts, and wheel hardware. The Assembly Components segment offers direct fuel injection fuel rails and pipes, fuel filler pipes, and flexible multi-layer plastic and rubber assemblies; turbo charging and coolant hoses; and value-added services comprising design engineering, machining, and parts assembly. The Engineered Products segment provides engineered products, including induction heating and melting systems, pipe threading systems, and forged and machined products for ferrous and non-ferrous metals, silicon, coatings, forging, foundry, automotive, and construction equipment industries; engineers and installs mechanical forging presses; sells spare parts; field services; and forges aerospace and defense structural components, such as landing gears and struts, as well as rail products comprising railcar center plates and draft lugs. Park-Ohio Holdings Corp. was founded in 1907 and is headquartered in Cleveland, Ohio.

Sypris Solutions, Inc. engages in the provision of truck components, oil and gas pipeline components, and aerospace and defense electronics primarily in North America and Mexico. It operates in two segments, Sypris Technologies and Sypris Electronics. The Sypris Technologies segment supplies forged, machined, welded, and heat-treated steel components for the commercial vehicle, off highway vehicle, recreational vehicle, automotive, industrial, light truck, and energy markets. This segment also produces drive train components, including axle shafts, transmission shafts, gear sets, steer axle knuckles, and other components for automotive, truck, and recreational vehicle manufacturers. In addition, this segment provides value added operations for drive train assemblies; and manufactures pressurized closures, insulated joints, and other fabricated and specialty products for oil and gas pipelines and related energy markets. The Sypris Electronics segment engages in circuit card and full box build manufacturing, high reliability manufacturing, systems assembly and integration, design for manufacturability, and design for specification work for aerospace and defense electronics markets. This segment also provides circuit card assembly services for electronic sensors and systems, including radar systems, tactical ground stations, navigation systems, weapons systems, and targeting and warning systems; and value-added solutions, such as low-volume prototype assembly and high-volume turnkey manufacturing. The company also offers engineering design and repair or inspection services. In addition, it sells its engineered products under the Tube Turns brand. The company was incorporated in 1997 and is headquartered in Louisville, Kentucky.

Air Industries Group, together with its subsidiaries, engages in the design, manufacture, and sale of precision components and assemblies for defense and commercial aerospace industry in the United States. It offers actuators, arresting gears, aerostructures, aircraft structures, chaff pod assemblies, machining and milling solutions, cylinders, drag beams and braces, flight controls, flight safety critical components, integrated assemblies, landing gears, large diameter turn-mills, submarine valves, thrust struts, engine mounts, and turbine engine components and weldments for aircraft jet engines, ground turbines, and other complex machines. The company was founded in 1941 and is based in Bay Shore, New York.