Amentum Email Format
Defense and Space ManufacturingVirginia, United States10001+ Employees
Amentum is a defense and space manufacturing company headquartered in Chantilly, Virginia, United States. It provides engineering and technology solutions for science, security, and sustainability challenges, serving defense, intelligence, energy, space, and commercial sectors. The company lists more than 10,000 employees, and its description notes a global presence in more than 70 countries across seven continents. In June 2026, Amentum secured a multi-year contract from the General Services Administration to deliver AI-powered supply chain logistics for U.S. federal customers in the Indo-Pacific region. Also in 2026, Amentum was added to the Fortune 500 list.