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

Advanced Materials Companies in the United States

Composites, energetics, rare earth magnets, critical minerals and in-orbit manufacturing. Dependence on China for key inputs has turned materials into a national security issue, and a new group of US companies is working to rebuild domestic supply. Together they have disclosed $383M in funding, led by Phoenix Tailings (>$150M). The newest round on record is INTALUS's Seed extension (Jul 2026).

Stryker Dragoon at sunset, Malacky Air Base, Slovakia. Photo: U.S. Army photo by Maj. John Ambelang, Public domain (PD-USGov-Military-Army).

Latest rounds

DateCompanyRoundAmountHQSector
Jul 2026INTALUS Seed extension$20MWest Lafayette, INAdvanced Materials
Feb 2026Phoenix Tailings Series B-3$40.2MExeter, NHAdvanced Materials
Jan 2026Noveon Magnetics Series C$215MSan Marcos, TXAdvanced Materials
Jan 2026Cambium Series B$100MEl Segundo, CAAdvanced Materials
Aug 2025Vulcan Elements Series A$65MDurham, NCAdvanced Materials

Questions

Who are the biggest advanced materials companies in the US?

By disclosed funding among the companies we track: Phoenix Tailings, Cambium, Vulcan Elements and INTALUS, as of November 14, 2026.

How many advanced materials companies are in the US?

Our directory lists 6 privately held US advanced materials startups as of November 14, 2026. Large primes and public companies are not included.