
Mass Magnetics
USA-made magnetics for robotics and defense.
Mass Magnetics turns recycled rare-earth scrap into high-performance permanent magnets, made in America. The materials we supply are the backbone of electric motors, sensors, speakers, hard drives, and electronics. Our process enables DFARS-compliant magnets for defense, aerospace, and industrial manufacturers who demand domestic supply without compromising on quality. Operations in Greater Boston, MA (Greentown Labs) and Columbus, IN.
- Website
- massmagnetics.com
- City
- Boston
- Country
- United States
- YC batch
- Summer 2026
- Team
- 3 people
- Stage
- Early stage
- AI-native
- No
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