Shur-Lok Company

Hartwell Corporation manufactures latches and hinges for use in airplanes. The company s products are sold directly to manufacturers of airplanes and airplane components. Hartwell has two subsidiaries, Hasco and Southco. Hasco markets the latches and hinges manufactured by its parent company to distributors throughout the United States; Southco manufactures metal pins that are key components of Hartwell s latches and hinges. The company holds headquarters in Pacentia, Calif. and was founded in 1939.

The name of Lisi Aerospace Hi-Shear Corporation comes from its first product, the Hi-Shear Rivet. The Hi-Shear Rivet was one of the first modern high-strength fasteners for aircraft structures and was first used in the famed North American Aviation P51C Mustang Fighter. Established in 1943, Hi-Shear moved to its Torrance, Calif., facility in 1958. Hi-Shear Corporation is a part of the aerospace branch of Lisi Group (LInk Solutions for Industry), a publicly-traded French company. The Lisi group includes aerospace, automotive and cosmetics operations worldwide. Hi-Shear s products, both proprietary and non-proprietary, are sophisticated, high-technology interpretations of the founder s original rivet. Today, the company is a leading designer and manufacturer of advanced aerospace fasteners and installation tools used in commercial, military and space vehicles. Hi-Shear also manufactures a wide variety of recess fasteners, in a wide range of recess geometries and materials.

AdelWiggins Group is one of the leaders in providing engineered solutions for a wide range of aerospace applications and equipment refueling applications. The company was formed in 1993 from the consolidation of the Adel Fasteners and Wiggins Connectors divisions. AdelWiggins designs, manufactures and sells an extensive line of custom designed products, primarily aerospace-related fluid line components such as flexible connectors, quick disconnects, clamps, heaters, hoses and refueling systems. The company's technical expertise, responsiveness and ability to move quickly through the prototype and certification process have established it as one of the leaders in the market. Many of AdelWiggins products are proprietary and offer engineering characteristics. The company is a subsidiary of TransDigm, one of the leading manufacturers of engineered component products for the commercial and military aerospace industries. Based in Cleveland, TransDigm operates five business units: AdelWiggins Group, AeroControlex Group, Marathon Power Technologies, Adams Rite and Champion Aerospace.