America's Largest Military Shipbuilder Reaches Across Every Warfighting Domain
SHERIDAN, WYOMING – April 14, 2026 – Huntington Ingalls Industries, known as HII, is the United States' largest military shipbuilder, responsible for constructing and delivering some of the most powerful naval vessels in the world. But the company's reach extends well beyond the shipyard, spanning cybersecurity, space operations, artificial intelligence, and multi-domain defense technologies. With three major divisions and facilities across multiple U.S. states, HII occupies a central position in America's national defense infrastructure. For anyone trying to understand who builds and sustains the systems behind U.S. military power, HII is a name worth knowing.