HEICO Corporation is an American aerospace and electronics company, which manufactures products found in aircraft, spacecraft, defense equipment, medical equipment, and telecommunications systems. Since the mid-1990s, HEICO has been organized into two divisions to address these different markets: Flight Support Group and Electronic Technologies Group. HEICO's Flight Support Group is the largest independent provider of FAA-approved aircraft replacement parts. It is a provider of aircraft accessories component repair and overhaul services for avionic, electro-mechanical, flight surface, hydraulic and pneumatic applications; commercial aviation and military aviation parts distribution; and a manufacturer of other aircraft parts. Wikipedia