Cortec is a nationally recognized leader providing toroidal power solutions.
At Cortec we design, manufacture and ship to meet your unique needs.

  • World class custom manufacturing

    Cortec Enterprises is a world-class manufacturer of toroidal power products. We design and manufacture the highest quality toroidal transformers and inductors for the most demanding applications.

  • The choice for the future

    Since 1997, Cortec has focused solely on toroidal power products. Toroidal transformers are more efficient, smaller and lighter than other types of transformers. They meet today’s requirements for cleaner, greener power, making them the power choice of the future.

  • Your unique needs, our solutions.

    Cortec offers fast turn-around with the highest level of quality and customer service. Our global network of suppliers enables us to address all of our customers’ needs. Whether you are looking for 1 pc or 100,000+, Cortec has a solution for you!


Home toroid - Toroidal transformers

Using proprietary manufacturing processes, Cortec has gained a reputation that separates us from other core winding vendors. We can supply your company with a variety of toroidal power products. Large or small, whether you need toroidal power transformers, toroidal inductors, or custom toroidal applications, we have a solution for you. We work on toroids from 5VA to 10KVA.

Custom Solutions


Our comprehensive engineering staff specializes in electrical and toroidal magnetics design. Our highly-skilled employees are recognized in the toroid industry for innovation, responsiveness and flexibility. Together with our custom fixturing, we can quickly and inexpensively adapt tooling for custom applications. Simply tell us the application and what you want the product to do, and we can provide you with a working sample.

Our Process

Cortec maintains relationships with industry leaders to assure continual development of the latest toroidal technology and manufacturing techniques.  We utilize all-programmable, state-of-the art manufacturing equipment and proprietary manufacturing methods to help you quickly get your product to market. All products are 100% electrical tested before they go out the door.