Aircraft parts made in the USA: propellers, control cable fittings, machined and formed metal parts, and environmental control systems.
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These companies make parts and systems for airplanes and helicopters in American shops. Hartzell sells propellers to aircraft owners as well as to builders. The others mainly supply aircraft manufacturers and repair shops rather than the public.
Each listing says what the company makes and where. For complete airplanes and kits, see Aircraft.
Environmental control systems for helicopters and fixed-wing general aviation aircraft: air conditioning systems, bleed air systems, cabin pressure control systems and their components, plus in-house testing and help with FAA STC and PMA approval. The company was formerly known as Enviro Systems.
Made in: Thornton, CO (manufacturing). Engineering, supply chain and customer relations are in Seminole, OK.
Source: ACE Thermal Systems: Contact, checked 10/2026
Thornton, CO
Aerospace Fabrications of Georgia is a contract supplier that machines, forms and heat-treats metal parts and assemblies for aircraft builders such as Boeing, Lockheed Martin, Gulfstream and Piper. It sells to manufacturers, not to the public.
Made in: Dallas, GA (CNC machining, sheet metal forming, heat treating and assembly at its own plant, there since 1996).
Source: AFOG: About Us, checked 10/2026
Dallas, GA
Bell-Memphis makes precision-machined aerospace standard parts, especially control cable fittings: forged clevises, shackles, rod end fittings, quick disconnects, strap eyes and forks, chain and swage terminals and turnbuckles. It also does contract machining. It sells to manufacturers rather than the public.
Made in: Memphis, TN (machined from bar stock at its plant on Directors Cove).
Source: Bell-Memphis, checked 10/2026
Memphis, TN
Hartzell Propeller makes aluminum and carbon-fiber composite propellers for certified, experimental and kit aircraft, with more than 400 blade designs in 2- to 6-blade hubs, plus spinners, governors, ice-protection systems and Tanis engine preheat systems. It also runs a factory propeller service center.
Made in: Piqua, OH (propellers and propeller systems, since 1917).
Source: Hartzell Propeller, checked 10/2026
Piqua, OH| Company | Makes | Where |
|---|---|---|
| ACE Thermal Systems | Air conditioning, bleed air and cabin pressure systems | Thornton, CO |
| Aerospace Fabrications of Georgia | Machined, formed and heat-treated metal parts | Dallas, GA |
| Bell-Memphis | Control cable fittings, clevises, turnbuckles | Memphis, TN |
| Hartzell Propeller | Aluminum and composite propellers, governors, spinners | Piqua, OH |
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A company may be based in the USA while making some products elsewhere. Check the manufacturer's own site for where a specific product is made.