Magnetic Products From the Original Architects of Magnetic Technology

Since 1951, Dexter has been at the forefront of the magnet industry, applying our expertise to deliver innovation and quality. We transform customer concepts and challenges into manufactured assemblies and highly engineered magnets. 

With the industry’s strongest engineering team, we excel at fast response times and deep relationships to deliver excellence in every aspect of the customer experience. We offer a full array of standard and custom magnetic solutions to meet your needs. 


Dexter has years of experience designing complex and extremely uniform electromagnetic fields. Through an understanding of unique material selection and magnetic analysis, a full system solution can be provided to meet any application needs.

Magnetic Assemblies

We offer decades of experience and technology leadership along with the industry’s most extensive investment in engineering and tools to help our partners and customers achieve the most demanding application requirements.

Magnetic Cores, Ferrites and Sensors

We offer the industry's most diverse array of magnetic materials. Our experienced engineers help you choose the correct off-the-shelf components or assist in a custom, cost-effective solution to fit your needs.

Medical Solutions

We have a deep understanding of the highly specialized needs and requirements of magnet performance in medical applications. We leverage magnetic engineering knowledge to optimize performance and quality.

Permanent Magnets

Understanding permanent magnets and their role in today's devices is the foundation of our business. Our extensive magnetic expertise allows us to partner with you to deliver the best permanent magnet product for your needs.


Soft Magnetics

Dexter offers the industry’s most advanced capabilities in soft magnetics. We design and manufacture custom ferrite cores, including both manganese-zinc ferrites and nickel-zinc ferrites. Our world-class expertise in tailoring core geometries allows us to meet the most demanding magnetic and mechanical requirements. We also offer a large selection of ferrite cores in our online store.

Medical Solutions

Dexter is at the forefront of magnetic technology for medical and life sciences solutions with revolutionary biomagnetic separators. From single-vessel to bulk separation, our patented devices provide rapid and reliable magnetic bead separation. Our LifeSep® technology is an essential resource for leading organizations in the biotech, life science and pharmaceutical fields.


Dexter’s industry-leading engineering team is at the heart of the outstanding value we provide to our customers. We have extensive expertise in design and testing of permanent magnets and electromagnet components, assemblies and systems. Engineers from a variety of fields provide support in magnetic material selection, magnet evaluation, assembly design and program management.