Aircraft Cylinders of America, 1006 E Independence St, Tulsa, OK 74106, US

Northstar Aerospace is one of the leading independent manufacturers of components and assemblies to the aerospace industry throughout the world. The company s products include gears and transmissions, accessory gearbox assemblies, rotorcraft drive systems and other machined and fabricated parts for helicopters and fixed wing aircraft. Northstar Aerospace also provides maintenance and repair and overhaul of gas turbine engines, inertial navigation units and flight control surfaces for fixed wing aircraft and complete drive system assemblies for helicopters. Northstar is a publicly traded company on the Toronto Stock Exchange under the ticker symbol NAS. The company has operating subsidiaries in Canada and the United States. Northstar Aerospace s corporate office is located in Bedford Park, Illinois. Its customers include some of the world s leading aerospace original equipment manufacturers such as The Boeing Company, Sikorsky, General Electric Aircraft Engines and Rolls-Royce. The company also has a branch located in Stroud, Okla., where it employs nearly 50 people.