YC Companies/Summer 2026/Mass Magnetics
Mass Magnetics logo

Mass Magnetics

USA-made magnetics for aerospace, robotics and defense.

Summer 2026Industrials / Industrials -> DefenseBoston, MA, USA3 employees
Hard Tech
Drones
Manufacturing

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.

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Founders (2)

Eric Silver
Founder
Matthew Groll
Founder

Details

Status
Active
Stage
Early
Team Size
3
Regions
United States of America, America / Canada