HEICO is a holding company. Through its subsidiaries, Co. manufactures jet engine and aircraft component replacement parts. Co. is also a manufacturer of various types of electronic equipment for the aviation, defense, space, medical, telecommunications and electronics industries. Co.'s segments are: Flight Support Group, which designs and manufactures jet engine and aircraft component replacement parts for sale; and Electronic Technologies Group, which designs, manufactures and sells various types of electronic, data and microwave, and electro-optical products, memory products, radio frequency sources, detectors and controllers, silicone material for various of applications, and others.