
Defense Manufacturing Startups in the United States
Automated factories, precision machining, castings, shipyards and the software that runs defense supply chains. Rebuilding the industrial base is a stated priority in Washington, backed by tools such as the Defense Production Act and the DoD Office of Strategic Capital. Together they have disclosed $6.3B in funding, led by Re:Build Manufacturing (>$4B). The newest round on record is Re:Build Manufacturing's Growth round (Oct 2026).
USAF maintainers inspect C-130J engines at Ramstein, Germany. Photo: U.S. Air Force photo by Senior Airman Andrew Bertain, Public domain (PD-USGov-Military-Air Force).
Latest rounds
| Date | Company | Round | Amount | HQ | Sector |
|---|---|---|---|---|---|
| Oct 2026 | Re:Build Manufacturing | Growth round | $2.1B | Framingham, MA | Advanced Manufacturing |
| Aug 2026 | Hadrian | Series D | $1.37B | Hawthorne, CA | Advanced Manufacturing |
| Jul 2026 | Senra Systems | Series B | $65M | Redondo Beach, CA | Advanced Manufacturing |
| Feb 2026 | Machina Labs | Series C | $124M | Los Angeles, CA | Advanced Manufacturing |
| Sep 2025 | Divergent Technologies | Series E | $290M | Torrance, CA | Advanced Manufacturing |
All companies
Full directoryRe:Build Manufacturing
Framingham, MassachusettsAcquires and builds US engineering and manufacturing businesses producing hard-tech products, including drone batteries and defense components.
Hadrian
Hawthorne, CaliforniaRuns highly automated precision machining factories that produce aerospace, missile and submarine components for primes and the US Navy.
Senra Systems
Redondo Beach, CaliforniaDesigns and builds wire harnesses for aircraft, spacecraft, satellites and defense systems with software-driven design and automated assembly.
Machina Labs
Los Angeles, CaliforniaForms sheet metal structures with AI-guided robotic RoboCraftsman cells without dies or molds, for missiles, hypersonics, aircraft and vehicles.
Divergent Technologies
Torrance, CaliforniaOperates an AI-driven additive manufacturing and assembly system that produces structures for missiles, drones and vehicles for defense primes.
Rangeview
El Segundo, CaliforniaRuns a digital investment casting foundry that prints casting patterns from design files to make superalloy parts without hard tooling.
Questions
Who are the biggest defense manufacturing startups in the US?
By disclosed funding among the companies we track: Re:Build Manufacturing, Divergent Technologies, Hadrian and Machina Labs, as of November 14, 2026.
How many defense manufacturing startups are in the US?
Our directory lists 6 privately held US advanced manufacturing startups as of November 14, 2026. Large primes and public companies are not included.