Hellenic Aerospace Industry (HAI, Greek: Ελληνική Αεροπορική Βιομηχανία, Elliniki Aeroporiki Viomichania or ΕΑΒ) is the leading aerospace company of Greece. The company has undertaken over the years a great deal of subcontracting work with major International Aerospace companies (including Boeing, Airbus, Alenia, Lockheed Martin, Raytheon, EADS and many others) and has accomplished many original developments in military electronics, telecommunications equipment, night vision equipment, wind generators and composite material technology.