Coil Winding Specialist, Inc. is a leading manufacturer of custom inductors, chokes, coils, and transformers. Since our founding in 1980, we have served the industry with high quality products and unbeatable customer service. Our products include power inductors, current sense transformers, power transformers, single phase/three phase transformers, air coil inductors, noise filters, power line reactor coils, GSA products specs, HVAC systems fan controllers, and much more. Visit our website to learn more.