Top 5 Most Valuable Defense Companies in the World

4. Lockheed Martin Corporation (NYSE:LMT)

Market cap as at 11 November 2023 (in millions): $110,372

Lockheed Martin Corporation (NYSE:LMT) is one of the most well-known defense companies in the world, and based on a $33.7 million Air Force Research Laboratory contract, is currently working on building a nuclear-powered deep-space probe.