- Air Command International, Inc.
- Produces nine different models of gyroplanes for recreation, observation, and fun flying.
- The Butterfly
- Manufactures kit parts for a line of gyroplanes and add on road-able rotorcraft.
- Carter Aviation Technologies
- A research and development firm dedicated to the creation of practical, advanced technology innovations in hybrid aircraft and rotorcraft.
- Firebird Gyroplane Aviation
- Offering a fully enclosed two place cross country gyroplane powered by a Subaru 4 stroke engine.
- Groen Brothers Aviation, Inc.
- Designing and developing new high performance gyroplanes and gyrodynes using advanced technology and modern aerospace design methods.
- Gyro Kopp Ters
- Manufactures complete gyroplane kits, complete with engine, rotor blades and everything.
- Raven RotorCraft/ReDrives Inc.
- Producing reduction drive units and complete engine packages for a wide range of homebuilt aircraft.
- Rotor Scooter
- Manufactures a single or two-place aircraft as a completely assembled and test-flown aircraft or you may purchase the various components and build it yourself.
- Sport Copter International
- Offering fully assembled gyroplanes, models, kits, and parts.
- Star Bee Gyros
- Manufactures basic and predrilled gyroplane kits.
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