Mass Magnetics
YC S26USA-made magnetics for robotics and defense.
Boston, MA, USAFounded 20263 employeesmassmagnetics.com
Team
3
Founded
2026
About
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.
No open roles at this time.
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