Looking for the best magnet manufacturers in the USA? Whether you’re sourcing neodymium magnets, custom assemblies, or rare earth components, choosing a reliable supplier is key to your product’s performance and speed to market.
In this 2025 guide, we highlight the top U.S. magnet manufacturers and global companies with strong U.S. operations — trusted by industries like robotics, EVs, aerospace, and industrial automation.
List of Top 10 Neodymium Magnet Manufacturers and suppliers in the USA
1. Arnold Magnetic Technologies
Website: arnoldmagnetics.com
Year Founded: 1895
Headquarters: Rochester, NY, USA
Company Type: Manufacturer
Main Products:
Neodymium Magnets
Samarium Cobalt Magnets
Laminated Magnets
Molded Magnets
Company Profile:
Arnold is a legacy leader in high-performance magnets for aerospace, defense, and electric motors. Their expertise in engineered materials makes them a go-to source for precision applications.
Key Characteristics:
Heritage in Aerospace & Defense: Trusted for mission-critical applications.
Material Innovation: Diverse product portfolio with high-temp and custom alloys.
U.S. Manufacturing Backbone: Full domestic design and production capabilities.
2. MainRich Magnets
Website: mainrichmagnets.com
Year Founded: 1990s
Headquarters: China (with substantial operations in the U.S.)
Company Type: Manufacturer & Global OEM Supplier
Main Products:
Motor-Grade Magnets
Samarium Cobalt Magnets
Company Profile:
MainRich Magnets is a global leader in advanced magnet manufacturing, with substantial operations in the United States supporting local engineering, logistics, and customer service. With over three decades of experience, MainRich specializes in high-performance NdFeB magnets and rare earth components for demanding applications in industrial automation, electric vehicles, and robotics.
The company stands out for its ability to deliver custom-engineered magnetic solutions at scale—combining cost-effective production with responsive support that meets the needs of OEMs and system integrators across North America.
Key Characteristics:
Engineering Collaboration: From concept to production, full custom design support.
Scalable & Competitive: Global manufacturing meets tight tolerances and timelines.
3. Master Magnetics, Inc.
Website: magnetsource.com
Year Founded: 1976
Headquarters: Castle Rock, CO, USA
Company Type: Manufacturer & Distributor
Main Products:
Neodymium & Ceramic Magnets
Magnetic Tools & Strips
Company Profile:
Master Magnetics operates under the Magnet Source® brand, providing bulk magnetic solutions with fast delivery across the U.S. Known for reliability in both industrial and consumer markets.
Key Characteristics:
Extensive Inventory: Over 20 million magnets in stock.
Wide Distribution: Strategic warehousing for fast North American coverage.
Multi-Sector Service: Supports retail, commercial, and industrial sectors.
4. Electron Energy Corporation
Website: electronenergy.com
Year Founded: 1970
Headquarters: Landisville, PA, USA
Company Type: Manufacturer
Main Products:
Neodymium Magnets
Samarium Cobalt Magnets
Magnet Assemblies
Company Profile:
EEC is a U.S.-based expert in rare earth magnets, serving sectors with stringent technical requirements such as aerospace and defense. They offer full R&D and production under one roof.
Key Characteristics:
Rare Earth Expertise: Specializes in SmCo and high-spec NdFeB.
Integrated Manufacturing: U.S.-based with end-to-end control.
Aerospace-Certified: Trusted by top-tier defense contractors.
5. Integrated Magnetics
Website: intemag.com
Year Founded: 1995
Headquarters: Santa Ana, CA, USA
Company Type: Custom Manufacturer
Main Products:
Magnetic Assemblies
Rare Earth Magnets
Motor Components
Company Profile:
Integrated Magnetics designs and manufactures precision magnetic systems for medical, motion control, and aerospace clients.
Key Characteristics:
Custom Engineering: Turnkey design-to-delivery support.
High Precision: Tolerances suitable for critical performance specs.
6. Dura Magnetics
Website: duramag.com
Year Founded: 1986
Headquarters: O’Fallon, MO, USA
Company Type: Manufacturer
Main Products:
Permanent Magnets (NdFeB, Ferrite)
Magnetic Assemblies
Company Profile:
Dura Magnetics provides tailored magnetic designs for automotive, energy, and electronics clients.
Key Characteristics:
Application-Focused: Built for demanding engineering challenges.
Flexible Production: Small to large-scale order capability
7. Bunting Magnetics
Website: buntingmagnetics.com
Year Founded: 1959
Headquarters: Newton, KS, USA
Company Type: Manufacturer
Main Products:
Electromagnets
Magnetic Separators
Magnetic Assemblies
Company Profile:
Bunting specializes in magnetic separation and detection systems for plastics, recycling, and food processing.
Key Characteristics:
Industry Specialist: Focus on bulk materials and contamination control.
Innovative Systems: Magnetic conveyors, sensors, and filters.
Custom Integration: Engineered for plant-scale deployment.
8. Apex Magnets
Website: apexmagnets.com
Year Founded: 2008
Headquarters: Lexington, KY, USA
Company Type: Online Retailer & Supplier
Main Products:
Neodymium Magnets
Magnetic Discs, Strips, & Custom Shapes
Company Profile:
Apex serves industrial and consumer clients with strong inventory, fast delivery, and accessible online shopping.
Key Characteristics:
Small-Batch Friendly: Ideal for prototyping and specialty uses.
Fast Fulfillment: Online-first model ensures rapid dispatch.
Customer Support: Trusted by engineers and hobbyists alike.
9. Stanford Magnets
Website: stanfordmagnets.com
Year Founded: 1990
Headquarters: Irvine, CA, USA
Company Type: Manufacturer & Global Supplier
Main Products:
NdFeB, AlNiCo, SmCo, Ferrite Magnets
Company Profile:
Stanford Magnets offers a wide material selection and reliable global delivery for medical, energy, and industrial markets.
Key Characteristics:
Broad Inventory: Rare and non-rare earth magnet types.
Long-Term Supplier: 30+ years of magnet distribution experience.
International Reach: U.S. base with global logistics.
10. K&J Magnetics
Website: kjmagnetics.com
Year Founded: 2002
Headquarters: Pipersville, PA, USA
Company Type: Online Retailer & Specialty Supplier
Main Products:
Neodymium Magnets
Magnetic Blocks, Discs, Rings, and Custom Shapes
Magnetic Accessories and Tools
Company Profile:
K&J Magnetics is one of the most accessible sources for neodymium magnets in the U.S., offering an extensive range of shapes and sizes directly through its online platform. Popular among engineers, hobbyists, educators, and R&D teams, K&J is known for fast delivery, practical technical support, and transparent inventory.
Key Characteristics:
E-Commerce First: User-friendly online ordering with real-time stock availability.
Technical Resource Hub: Rich documentation and magnet calculators.
Innovation Enabler: Widely used for prototyping, DIY projects, and small-batch production.
Frequently Asked Questions (FAQs)
What are the strongest types of magnets available?
What is the difference between rare earth and ceramic magnets?
Why is reshoring magnet manufacturing important?
Can I order small-batch or custom magnets for prototypes?
How do I choose the right magnet manufacturer for my project?
Consider factors like material expertise, custom engineering capability, compliance requirements, lead time, U.S. support presence, and production scale.
For more info, check out this magnet buyers bible
