Country	Manufacturer
International	--Helicopters AgustaWestland (AW) Airbus Helicopters (AH) EH Industries (EHI) Eurocopter (EC) NH Industries (NHI)
	Unknown Manufacturer (.) Vertical Aviation Technologies (VAT)
argentina	Cicaré Sorhge
austria	Schiebel
australia	AMT Helicopters (AMT) Australian Autogyro Commonwealth Aircraft Corporation (CAC)
belgium	Dynali SABCA
canada	Eagle Copters
switzerland	Dufour Aerospace (Dufour) F+W Emmen (F+W) Marenco SwissHelicopter (MSH)
china	AVIC (AVIC) Changhe (CAIC) Harbin
germany	AutoGyro Dornier E-Volo (Volocopter) EDM Aerotec MBB Rotorvox Lift Air (Rotorvox) VFW Wagner Youngcopter
spain	CASA Mach Gyrocopters
france	Aerospatiale (SNIA) BHR Dechaux Guimbal Heli Air Design (HAD) Sud Aviation (SA)
indonesia	Indonesian Aerospace (IPTN)
israel	Tactical Robotics
india	HAL (HAL)
italy	Agusta Alpi Helicopter (alpi) Breda Nardi Curti Aerospace Elicotteri Meridionali (EM) HeliSport Magni Silvercraft
japan	Fuji Kawasaki (KHI) Mitsubishi Subaru Yamaha
south korea	KAI
netherlands	Geocopter Nederlandse Helikopter Industrie (NHI)
new zealand	Airwork NZ TGR Helicorp
poland	Aviation Artur Trendak (Trendak) PZL
romania	IAR (IAR)
russia	Agan (Agan) HeliWhale Kamov Mil Russian Helicopters (RusHeli)
sweden	CybAero Saab
turkey	Turkish Aerospace Industries (TAI)
united kingdom	Bristol Cierva Fairey Hill Helicopters Saunders Roe Vertical Aerospace (VA) Wallis Westland
usa	Archer Bell Boeing (B) Boeing-Vertol (B-V) Brantly Canadian Home Rotors Carter Aerospace Cessna Doman Enstrom Erickson Fairchild-Hiller (F-H) Gyrodyne Hiller Hughes Joby Kaman Lockheed Martin (LM) McDonnell Douglas (Mc.D.D) MD Helicopters (MDh) NASA Northrop-Grumman (N-G) Piasecki Pitcairn (Pitcairn) Platt-LePage Revolution Helicopter Robinson Rotor Flight Dynamics Rotorway Schweizer Seibel Sikorsky Skyworks Soloy
yugoslavia	Soko
south africa	Atlas Aircraft (atlas) Denel