Austal Ltd is engaged in designing, constructing, and supporting revolutionary defense and commercial vessels in Australia, the United States, and the Philippines. Its segments are USA Shipbuilding; USA Support; Australasia Shipbuilding and Australasia Support. The company designs, constructs, and supports passenger ferries, vehicle passenger ferries, and offshore and windfarm vessels; naval vessels; naval surface warfare combatants; and patrol boats for government law enforcement and border protection agencies.