Pioneers in Manufacturing Equipment

Cortec Enterprises LLC stands at the forefront of the magnetics industry, offering unparalleled expertise and innovation. With over 30+ years of experience, we provide the highest levels of performance for your custom components. Our unique capabilities and fast turnaround times make us the best choice for transformers, toroids, inductors, and more.


From our home base in Saint Paul, MN, we offer shipping around the nation and world. With our custom component manufacturing, we can work with your specifications and timeline. We are proud of our on-time deliveries, so contact us now. We'll talk about the components you need today.

Why Choose Cortec?

Selecting the team at Cortec means partnering with a leader in magnetics industry who brings the most experience in the industry. Since 1997, we've been the team you can trust for all types of custom components. We offer the cost-effective manufacturing solutions you need to thrive.


Plus, we're a local, family-owned business. That means we put your needs first. Our unparalleled customer service ensures that you get the parts you need and the support you deserve.


Contact Cortec Enterprises today. We provide national and worldwide service for your manufacturing needs.

National and Worldwide Delivery

Over 30+ Years of Experience

Unparalleled Customer Service

On-Time Deliveries

Unique Capabilities

Highest Level of Performance

Transformer Manufacturing

Our transformer manufacturing services are designed to meet the most demanding specifications. We leverage advanced technologies and materials to produce transformers that excel in reliability and efficiency. Whether for industrial or commercial applications, our products are engineered to deliver superior performance and longevity. We'll come up with the custom solutions you need.

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Inductor Manufacturing

At Cortec, we specialize in the manufacturing of high-quality inductors. Our inductors are crafted to meet the exacting standards required by various industries, ensuring optimal functionality and durability. Our expertise in magnetic component design ensures that each product meets the specific needs of customers like you. Just tell us what you need and we'll make it happen!

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High-Frequency Magnetic Manufacturing

Our high-frequency magnetic manufacturing capabilities are second to none. We produce components that are essential for modern electronic applications, ensuring minimal energy loss and maximum efficiency. Our focus on innovation allows us to keep pace with the latest technological advancements, delivering products that support cutting-edge developments in the industry.

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Custom Toroid Manufacturing

Custom toroid manufacturing is one of our core specialties. We understand that each application has unique requirements, and we are equipped to design and manufacture toroids that meet these specific needs. Our custom solutions are characterized by high precision, exceptional quality, and reliable performance, ensuring that our customers receive the best possible products for their applications.

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Here's what our satisfied customers are saying...

At Cortec Enterprises LLC, we take pride in providing exceptional component manufacturing to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to  leave a review of Cortec Enterprises LLC and let others know what you think.

"Cortec Enterprises LLC succeeded after one try whereas others, after one year, still couldn’t get it right."


Government Contractor

$10 Million Company


"We traveled around the world trying to find someone to wind a complex toroid. We found that capability at Cortec Enterprises LLC."


Large Conglomerate

$1 Billion Company


"We sent our engineer on-site at 8:00 AM, and by 8:00 PM, we had a working sample of a very complex segment wind. Cortec Enterprises LLC dedicated an operator and machine, as well as special fixturing support, as we developed."


Computer Parts Manufacturer

$6 Billion Company


"I can’t possibly put into words the heartfelt gratitude I have for the often-times incredible, if not miraculous, support you provided over time, always at a high level. You have made my job much more manageable, and our company is better because of your efforts. Many thanks!"


Electronics Company

Contractor Manufacturer

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