Engineering firm that specializes in the computer modeling, analysis, and simulation of helicopters.

Producing a complete range of civil and military models.

The Joint Venture of Finmeccanica SpA and GKN plc shares Agusta and Westland's products and resources like the medium-lift EH101 helicopter programme.

The US arm of Eurocopter, the European civil and military helicopter manufacturer.

Manufacturing a wide range of civil and military helicopters as well as civil and military tiltrotor craft.

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Manufacturer of the AB139 medium sized helicopter, and the BA609 Tiltrotor.

The helicopter division of the Boeing Company.

Manufacturers of the B-2B "Flying Snowcone".

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.

A privately owned company designing and producing light piston and turbine powered helicopters.

Designing and manufacturing a wide range of civiland military helicopters.

Helicopter designer, manufacturer, and systems integrator and a pre-eminent first-tier supplier to the world's aircraft and aero engine primes.

Manufacturers of the Hawk 4 Gyroplane.

Founded in 1945, Kaman Aerospace began as a helicopter manufacturer with new ideas for vertical flight.

Business and general aviation aircraft capable of vertical take-off and landing.

Manufacturer of the M80 2-seat very light helicopter.

McAlpine provide corporate and public service helicopters to customers worldwide.

New design light, twin turbine, Notar helicopter.

Maker of the R22 and R44 helicopters.