- Dimo Corp.
 - New Castle - Offering sales and acquisition of parts and supplies for a variety of aircraft. - Keystone Helicopter Corporation
- West Chester - Offers rotorcraft services including medical flight services, helicopter maintenance, and sales.
- Paladin Industries, Inc.
- Pennsauken - Manufacturer of ultralight powered parachutes.
- Ransome Associates
- Cinnaminson - Group of experienced airline veterans providing airline and aviation management services.
- Ronson Aviation
- Trenton - Services include new and pre-owned aircraft sales, charters, airframe and powerplant repair and modification.
- Upper Bucks Institute of Aeronautics
- Quakertown - Aviation maintenance technology school for both secondary and post-secondary students.
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