About Us

MASTER MAGNETICS, INC. was founded in 1976 in Castle Rock, Colorado. We are focused exclusively on manufacturing and distributing magnets and magnetic devices for commercial, industrial, and consumer use. The Magnet Source^® brand is a registered trademark of Master Magnetics, Inc. and represents exceptional quality, expertise, and customer service.

Our large inventory and warehousing capabilities (more than 20 million magnets in stock), along with regional production and distribution facilities, ensure fast and cost-effective delivery throughout North America. Our 99,000-square-foot headquarters is the home of our primary operations and distribution center. A second distribution facility in Marietta, Ohio ensures timely delivery to customers located on the East Coast and beyond. 

Master Magnetics provides a broad range of product offerings for business and consumer use - we’re your best source in the magnetic field.

Resale-For industrial supply, hardware, home improvement retailers and more, we offer retail partners the widest selection of magnets in the industry. We have more than 250 retail-ready magnets and magnetic devices for home improvement, automotive, craft and hobby, and other uses. We receive high rankings on vendor scorecards for on-time delivery, complete shipments, bar code compliance, and product quality.

Industrial-Our line of industrial magnets is ideal for lifting, holding, separating, and material transfer, serving industrial, OEM, and commercial markets. We also carry a wide selection of magnetic materials including neodymium, alnico, ceramic, and samarium cobalt. Our magnet experts are ready to help consumers find the correct magnet for virtually any application and can develop customized solutions if needed.

Flexible-Our extensive line of flexible magnetic sheeting and strips are ideal for sign-making, specialty printing, and point-of-purchase displays. Our custom cutting and slitting capabilities, plus a wide range of magnet thicknesses and laminates meet unique project application requirements.

Retail and Display Point of Purchase Magnets- To complement our Magnetic Graphic System for magnetic solutions in retail and commercial displays, magnetic assemblies are the workhorse of sign and P.O.P. applications. The products are ideal for fastening and holding; they offer an all-purpose solution for sign holding and simple hanging and fastening applications.