The Top 10 U.S. Aerospace and Defense Contractors

The aerospace and defense industry plays a pivotal role in both national security and the stock market. With U.S. defense spending leading the world, the largest contractors are well-positioned for growth amid rising global tensions.

Below, I rank the top 10 U.S. contractors by defense revenue, using 2024 data from Defense News. I believe these companies represent attractive opportunities for investors seeking exposure to the sector.

top 10 U.S.

10. Amentum

Amentum, a leading provider of engineering and technical services, specializes in supporting government missions. The Virginia-based company’s $5.7 billion in defense-related revenue stems from key contracts with the Department of Defense (DoD) and other federal agencies. Amentum’s expertise spans logistics, cybersecurity and nuclear operations.

9. Booz Allen Hamilton

Booz Allen Hamilton has built its reputation as a leading provider of technology and consulting services for the DoD. The company leverages advanced capabilities in artificial intelligence (AI) and cybersecurity to address complex defense challenges. With $6.8 billion in defense-related revenue, Booz Allen’s strong cash flow and diversified portfolio make it an attractive investment in the defense space.

BoozAllen