Aerospace materials are the materials used for building aircraft and its parts. The aircraft building industry uses various materials, such as aluminum alloys, steel alloys, titanium alloys, super alloys, composite materials, and others. These materials are manufactured with desired properties to serve a specific purpose. Aerospace materials are supposed to exhibit tolerance towards extreme environments, wide temperature changes, material expansion and contraction, and other severe conditions. Note: *Core competencies of the companies are determined in terms of their key developments and important strategies adopted by them to sustain their position in the market.