Since 1976, Master Magnetics Inc. in Castle Rock, Colorado, has excelled in the magnet industry under the brand The Magnet Source®. They manufacture and distribute various magnets, including the exceptional samarium cobalt magnets, known for their strength and durability. These samarium magnets offer superb temperature stability and resistance to corrosion and demagnetization, making them ideal for various industrial needs. With over 20 million magnets in inventory and strategic warehouses, they ensure reliable, cost-effective delivery across North America, complemented by outstanding customer service.

For 45 years Master Magnetics, Inc. has been a leading manufacturer and distributor of magnets and magnetic devices. We specialize in high-quality products intended for multiple industries, including manufacturing, industrial distribution, sign-making, retail and consumer. Our exceptional customer support team works closely with every customer to find the best magnet for their application. Bulk pricing is available, providing maximum savings. Master Magnetics carries a wide selection of products, including: • Neodymium, Ceramic, Alnico & Samarium Cobalt • Magnetic Sweepers • Latches, Catches, Hooks & Clips • Flexible Strip, Sheet & Rolls • Home Improvement • Crafting & More Our line of industrial magnets are intended for lifting, holding, separating and material transfer for multiple industrial, OEM and commercial applications. Master Magnetics’ extensive line of flexible magnetic sheeting and strip is ideal for sign-making, specialty printing and Point of Purchase displays. Our products are available in a wide range of magnet thicknesses, lengths, widths and coatings. Custom cutting and slitting services are available upon request. We also offer a full line of more than 250 retail-ready magnets and magnetic devices for home improvement, automotive, craft and hobby applications and more. The Magnet Source® brand is a proven profit center for retail markets.