Toroid Corporation

For over 40 years, Toroid Corporation has been a leading provider of custom-designed toroidal transformers and medical isolation transformers, proudly made in the USA. We serve a wide range of industries, with a special focus on medical-grade applications, working alongside Fortune 100 companies to deliver solutions that meet the most stringent safety and performance standards. At Toroid, we specialize in tailoring our products to meet the specific needs of our clients, ensuring each unit is designed for optimal performance. From small-scale prototypes to large production runs, our transformers are built with precision and the highest quality materials, including steel, copper, and epoxy. With a reputation for innovation, quality, and customer support, Toroid is dedicated to helping companies power their future projects with customized solutions. Learn more at