| Gyrodyne |
| Sikorsky Aircraft
| S-69 • S-72 • X2 • S-97 Raider • SB-1 Defiant |
| Bell Helicopter
| Bell 533 |
| Lockheed
| XH-51 • AH-56 Cheyenne |
| Piasecki Aircraft
| X-49 |
| Kamov
| Ka-22 |
| Airbus Helicopters
| Eurocopter X³ |
| Fairey Aviation Company
| Rotodyne (Compound Autogyro) • Jet Gyrodyne (Compound Autogyro) • FB-1 Gyrodyne • (Compound Autogyro) |
| Flettner
| FI 185 (Compound Autogyro) • FI 265 (Compound Autogyro) |
| McDonnell Aircraft
| XV-1 (Compound Autogyro) |
| Kayaba Industry
| Heliplane (Type-1) (Compound Autogyro) |
| Related topics
| Helicopter • Autogyro • Coaxial rotors • Advancing Blade Concept ( ABC ™) |