Unclassified // open-source data on US defense tech // 14 NOV 2026
Advanced Manufacturing
6 companies

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

DateCompanyRoundAmountHQSector
Oct 2026Re:Build Manufacturing Growth round$2.1BFramingham, MAAdvanced Manufacturing
Aug 2026Hadrian Series D$1.37BHawthorne, CAAdvanced Manufacturing
Jul 2026Senra Systems Series B$65MRedondo Beach, CAAdvanced Manufacturing
Feb 2026Machina Labs Series C$124MLos Angeles, CAAdvanced Manufacturing
Sep 2025Divergent Technologies Series E$290MTorrance, CAAdvanced Manufacturing

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.