Who Are the Big 5 Military Contractors? Defense Primes by Revenue, Programs, and Market Share (2026)
The Big 5 defense contractors are Lockheed Martin, RTX, Northrop Grumman, Boeing Defense, and General Dynamics. Together they hold $146B in annual DoD contracts.
Fed-Spend Research Team•February 16, 2026•8 min read
The Big 5 Military Contractors
| Rank | Company | DoD Revenue | Employees | HQ | Signature Programs |
The Big 5 defense contractors are Lockheed Martin ($50.5B), RTX/Raytheon ($27.8B), General Dynamics ($24.1B), Boeing Defense ($22.3B), and Northrop Grumman ($21.6B). Combined they hold $146.3 billion in annual DoD revenue and employ over 678,000 people.
What companies have contracts with the US military?
Over 100,000 companies hold active DoD contracts. The Big 5 primes account for 19% of DoD spending, while the remaining 81% goes to mid-tier contractors, small businesses, and specialty firms. Fed-Spend tracks all DoD contracts searchable by agency, contractor, NAICS, and set-aside type.
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