Profile: HEI, Inc. is specialized in electronic manufacturing services (EMS) which include medical device manufacturing, microelectronic assembly, turn key manufacturing, ATE services, ceramic, flex & rigid flex substrate manufacturing. We are an ISO 9001:2000 certified company. We specialize in developing microcircuits for non-implantable medical applications such as glucometers, hearing aids and external insulin pumps. Our medical device manufacturing products include therapeutic devices & diagnostic systems. Our therapeutic devices include syringe infusion pumps, pulse oximeters, ventilators and defibrillators. Our diagnostic systems include DNA-based microbiology system, DNA test system, glucose meter, blood coagulation testing, hematology analyzer, electrophoresis system & electrochemical DNA analysis system. Our microelectronic assembly has RF communications/broadband fiber optic communication products & high frequency chip carriers & packaging. Our flex & rigid flex substrate manufacturing includes high density circuit boards for implantable medical devices, Hi Rel defense & aerospace flex & rigid flex substrates.