Sigma Electronics is a custom design transformer company established to provide its customers with a product source for custom transformers, offering innovative solutions to challenging custom transformer problems. Sigma's primary purpose is to satisfy your needs - promptly and efficiently - from design and prototype to the finished product.

Sigma excels in the design and manufacturing of custom transformers, inductors, chokes, and related magnetic devices. From one piece to thousands, Sigma can produce your custom coil, solenoid coils, inductor, choke or other magnetic devices with the highest quality and standards. Using state-of-the-art equipment, manufacturing techniques and testing equipment assures that we will always be on the cutting edge of wound product technology. After 40 plus years in transformer manufacturing and design, our craftsmanship and engineering capabilities are second to none in this highly specialized field.