Employing more than 11,000 employees, Ingalls Shipbuilding is the largest manufacturing employer in Mississippi and a major contributor to the economic growth of Alabama. For 85 years, Ingalls has designed, built and maintained amphibious ships, destroyers, and cutters for the U.S. Navy and the U.S. Coast Guard.  The largest supplier of U.S. Navy surface combatants, Ingalls is simultaneously building four classes of ships.