Funded companies

Mass Magnetics

Domestic rare-earth magnets, unlocked through recycling.

🇺🇸 Boston · Industrials · Summer 2026

USA-made magnetics for robotics and defense.

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Backed by

Y Combinator

Total tracked

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Open roles

0

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About Mass Magnetics

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.

Open roles

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Talent snapshot

Employee functions

Business Development2
Information Technology1
Administrative1
Program and Project Management1
Education1
Engineering1

Employee locations

United States4
Columbus, IN2
Indiana, United States2
Greater Indianapolis2
Massachusetts, United States1
India1

Common skills

LeadershipMachiningAutomotive EngineeringComputer-Aided Design (CAD)3D PrintingResearch SkillsAnsys ProductsPrototypingBudgetingModeling and SimulationTeamworkCustomer Service