HEICO Corporation is an aerospace and defense supplier specializing in replacement parts for commercial aircraft and components for defense applications. In commercial aerospace, the company is the largest independent manufacturer of replacement aircraft parts. In the defense market, HEICO produces niche subcomponents used in targeting systems, simulation equipment, and other specialized categories. The business operates through two segments—the Flight Support Group and the Electronic Technologies Group—both serving the aerospace and defense industries to varying degrees. HEICO also maintains a consistent acquisition strategy, targeting businesses in similar or adjacent markets with strong cash flow and attractive profitable growth potential.