Quality Electromagnetic Coil Winding and Manufacturing
US Cotronics is an ISO 9001:2015-certified coil manufacturer specializing in electromagnetic coil windings and custom electromechanical assembly solutions.
Based in Fairbury, Illinois, we are proud to serve as one of the greater Midwest region’s leading coil winding houses. We also offer precision wire cutting and stripping services, as well as in-house fabrication for lead wire assemblies and related components.
US Cotronics is proud to be a woman-owned small business. Our close-knit enterprise has been family-owned since 1985. Through our uncompromising commitment to quality and customer service, we strive to further solidify women’s place in the American manufacturing space.
Our company strives to offer all of the material resources your supply chain requires, along with the superior craftsmanship and commitment to quality needed to ensure the success and sustainability of your project.
Electromagnetic Coils, Solenoids, and Coil Winding Services
Bobbin Wound Coils
High-quality standard and nonstandard coils featuring a custom bobbin wound construction.
Self-Supported Coils
Premium self-supported coil products ideal for irregular or bobbinless applications where space is a limiting factor.
Choke Coils
Custom choke inductance coils manufactured to meet your precise DC- and AC- resistance specifications.
Encapsulated Coils
Reliable encapsulated coil products constructed to protect wiring from moisture, contamination, and corrosion.
Solenoid Coils
Quality-built solenoid coil products manufactured for custom electro-mechanical assemblies and other components.
Tape Wrapped Coils
Insulated tape-wrapped coil products offered in various standard and nonstandard sizes.
Transformer Coils
Custom transformers and inductor coil products engineered for both commercial and industrial applications.
Voice Coils
Specialized voice coil products manufactured for a wide range of electro-mechanical speaker, microphone, and audio products.
ISO 9001:2015-Certified Electromagnetic Coil Manufacturing Services
As an ISO 9001:2015-certified American manufacturer, absolute quality and consistency are paramount at US Cotronics. Our responsive, hands-on quality assurance team utilizes APQP methodology throughout our production processes to build a more robust supply chain. Our meticulous quality control processes ensure that every custom wound coil product is manufactured consistently – on time and according to your exact specifications.
Quality Wound Coils and Electro-Mechanical Assemblies Manufactured in the U.S.A.
Based out of Fairbury, Illinois, US Cotronics is a long-standing American manufacturer of superior electromagnetic coil products since 1985. Our company maintains the highest quality standards and takes great pride in consistently delivering on time. We have consistently shipped over 750,000 products per year at sub 10 ppm quality and greater than 99% on-time delivery.
Serving a Diverse Range of Markets and Industries
Established in 1985, US Cotronics provides ample experience in the manufacturing of custom coil products and electro-mechanical assemblies for a diverse range of industrial market segments and commercial sectors.
Our industry expertise includes: