Infographic: Top 14 Largest U.S. Government Contractors

Glonhui June 22｜Based on data from GovSpend, the chart below lists the 14 largest U.S. government contractors for fiscal year 2025, covering sectors such as defense, healthcare, pharmaceutical distribution, and IT services. Defense companies dominate the list, occupying 8 spots among the top 14 contractors. Lockheed Martin tops all contractors with a total contract commitment of $73.7 billion. General Dynamics and RTX rank second and third, with commitments of $35.9 billion and $34 billion, respectively. Other major defense companies on the list include Boeing, Northrop Grumman, Huntington Ingalls Industries, L3Harris Technologies, and BAE Systems. Additionally, UnitedHealth ranks fourth overall with a contract commitment of $25.4 billion, making it the largest non-defense contractor on the list. As the importance of IT and cybersecurity firms continues to rise, Leidos and Booz Allen Hamilton have secured contract commitments of $12.6 billion and $7.8 billion, respectively.