Heico is an aerospace and defense supplier that focuses on creating replacement parts for commercial aircraft and components for defense products. In commercial aerospace, Heico is the largest independent producer of replacement aircraft parts. In the defense market, the company produces niche subcomponents used in targeting technology as well as simulation equipment, among other categories. It operates as two segments: the flight support group,or FSG, and the electronic technologies group, or ETG, both of which supply the aerospace and defense sectors to different degrees. The company is persistently acquisitive, focusing on companies in similar or adjacent markets that offer strong cash flow and profitable growth potential.