EuroAvionics Navigation Systems GmbH Co. KG
- Manufacturer of GPS based Task Management and Navigation Systems for helicopters.
- http://www.euroavionics.com

Schweizer Aircraft Corporation
- Producing a range of piston and turbine powered helicopters.
- http://www.sacusa.com/

Helipod International
- Manufacturers of cargo pods for Robinson and other helicopters. Based in New Zealand.
- http://www.helipod-international.com/

SEI Industries International Inc.
- International distribution outlet for the Bambi aerial firefighting bucket, Canam remote hook systems, and the Heli-Basket emergency helicopter lift basket. Find out about products, read the company profile, or get contact information.
- http://www.sei-sales.com/

Westland Helicopters Ltd
- The manufacturer of the civil and military models EH101, Lynx and Apache with its production, services, news, press releases, company history and the principles of rotary flight.
- http://www.whl.co.uk/

R&D Design Services Ltd
- Design and manufacture airborne LCD and CRT monitors for helicopter and fixed wing aircraft.
- http://www.rdds.co.uk/

Kaman Aerospace Corporation
- Manufacturer of the SH-2G Super Seasprite maritime helicopter. Offers company overview and history, news releases, employment opportunitites, facilities locations and photo gallery.
- http://www.kamanaero.com/

Helinets
- Development and manufacture of helicopter slinging, positioning and restraining products, including cargo nets and barrel slings.
- http://www.helinets.com

Touchdown Enterprises Ltd
- Manufactures portable helicopter landing platforms that are adaptable to varying terrain for skid mounted helicopters up to 12,000 lbs.
- http://www.touchdownpads.com/

Paravion Helicopter
- Manufacturer of helicopter accessories.
- http://www.paravion.com/

Laflamme Helicopters Inc.
- The canadian company is developing the first sport-utility tandem helicopter [Site available in english or french].
- http://www.lafhelicopters.com

GKN Aerospace
- Helicopter designer, manufacturer, and systems integrator and a pre-eminent first-tier supplier to the world's aircraft and aero engine primes.
- http://www.gknplc.com/default.asp?section=aerospace

AgustaWestland
- The Joint Venture of Finmeccanica SpA and GKN plc shares Agusta and Westland's products and resources like the medium-lift EH101 helicopter programme.
- http://www.agustawestland.com/

PZL Swidnik
- Manufacturers of the W-3A Sokol heavy civil and SW-4 light civil helicopters. Choose between Polish and English.
- http://www.pzl.swidnik.pl/

Groen Brothers Aviation
- Manufacturers of the Hawk 4 Gyroplane.
- http://www.gbagyros.com/

CarterCopter
- Developing a new high technology gyroplane expected to cruise at 400mph at 50,000 feet using the rotor for vertical takeoff and landing and a wing for high speed cruise.
- http://www.cartercopters.com/

Brantly
- Manufacturers of the B-2B "Flying Snowcone".
- http://www.brantly.com/

Bell/Agusta Aerospace Company
- Manufacturer of the AB139 medium sized helicopter, and the BA609 Tiltrotor.
- http://www.bellagusta.com/

Agusta
- Producing a complete range of civil and military models.
- http://www.agusta.com/

American Eurocopter
- The US arm of Eurocopter, the European civil and military helicopter manufacturer.
- http://www.eurocopterusa.com/

Eurocopter
- Designing and manufacturing a wide range of civiland military helicopters.
- http://www.eurocopter.com/

Advanced Rotorcraft Technology, Inc.
- Engineering firm that specializes in the computer modeling, analysis, and simulation of helicopters.
- http://www.flightlab.com/

Enstrom Helicopter Corp.
- A privately owned company designing and producing light piston and turbine powered helicopters.
- http://www.enstromhelicopter.com/

Bell Helicopter
- Manufacturing a wide range of civil and military helicopters as well as civil and military tiltrotor craft.
- http://www.bellhelicopter.com/

Specific Equipment
- Manufacturer of reverse osmosis watermakers, helicopter refueling systems, and pump packages. Along with units on oil rigs, island resorts in refineries, and municipalities.
- http://www.spec-equip.com/

Ultrasport
- Manufacturers of the Ultrasport family of helicopters.
- http://www.ultrasport.rotor.com/

Kulikov Aircraft Company
- Business and general aviation aircraft capable of vertical take-off and landing.
- http://www.kulikovair.com/

Sikorsky Aircraft Corp.
- Designers and builders of the world's most advanced helicopters for commercial, industrial, and military use.
- http://www.sikorsky.com/

Robinson Helicopter Company
- Maker of the R22 and R44 helicopters.
- http://www.robinsonheli.com/