Honeywell Aerospace is an independent, publicly traded aerospace and defense company that designs, manufactures, and services a wide range of aircraft systems and components. With a legacy spanning over a century, the company is known for its engines, auxiliary power units, avionics, navigation systems, and flight controls, serving commercial, defense, space, and business aviation markets. Honeywell Aerospace became an independent company in 2026, continuing its heritage of innovation in flight technology.
Honeywell AerospaceHoneywell Aerospace designs and manufactures mission-critical systems and technologies that enable the production, maintenance and safe operation of aircraft, defense platforms and spacecraft. Headquartered in Phoenix, the company carries more than a century of aerospace innovation, from the first autopilot demonstrated by Sperry Gyroscope in 1914 to today’s integrated avionics, engines and control systems. Its scale includes more than 36,000 employees, over 100,000 auxiliary power units delivered since 1959 and avionics used on 90% of global aircraft.CRYSTAL CITY, VA
HEICO CorporationSince its 1957 beginnings as Heinicke Instruments, HEICO Corporation has built a technology-driven company around specialized aerospace and electronics businesses. Its decentralized, partnership-oriented approach has supported more than 110 acquisitions since 1996, often keeping founder-led companies operating under their own identities. Today, HEICO makes mission-critical components for aircraft and other demanding systems, serving major airlines, original equipment manufacturers and the U.S. military.CLEVELAND, OH
Unison IndustriesUnison Industries designs and manufactures aerospace components and systems, and has supplied aircraft programs for more than 75 years. Its products include ignition equipment and wired harnesses, while its nine manufacturing locations and engineering centers support customers worldwide. The company is part of GE Aerospace and also provides repair and overhaul services for its products.NORWICH, NY
RTXRTX is an aerospace and defense company that designs, manufactures and supports technologies for flight and national security through Collins Aerospace, Pratt & Whitney and Raytheon. Its businesses make aircraft engines and auxiliary power units, as well as integrated aerospace and defense systems; RTX also describes work in advanced materials, propulsion and manufacturing technologies.ANNAPOLIS JUNCTION, MD