Austal Ltd. engages in the design and construction of customized aluminum commercial and defense vessels. The company operates through the following segments: Australia, USA, and Asia. The Australia segment manufactures commercial and defense vessels for markets worldwide, excluding the USA and provides training and on-going support and maintenance for vessels. The USA segment engages in the manufacturing of aluminum defense vessels for the US Navy and provides training and on-going support and maintenance of these performance vessels for the US Navy. The Asia segment provides aluminium commercial vessels for global markets excluding the USA. The company was founded by John Rothwell in 1988 and is headquartered in Henderson, Australia.