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Quality Custom Coils and Electro-Mechanical Assemblies Since 1985

Established in 1985 in Fairbury, Illinois, US Cotronics is a family-owned American manufacturer specializing in high-quality coils, winding services, and electro-mechanical assembly solutions.

Illinois State Outline

Our Philosophy

US Cotronics has remained family-operated since our company’s founding. The owners remain uniquely hands-on and deeply involved in the day-to-day operations.

At US Cotronics, we instill an environment wherein all our employees take pride and ownership in the quality of the parts they manufacture. This dedication to quality keeps us consistently ranked in our customers’ “Top Vendor Ratings.”

Everyone within our organization impacts quality. It is a responsibility that is carried throughout our factory at every level. It starts with our attitude towards customers, suppliers and colleagues and is implemented in every step of the manufacturing process.

Quality American Manufacturing – ISO 9001:2015 Certified

We manufacture all parts in compliance with our ISO 9001:2015 certification. Our production team is hands-on throughout the entire manufacturing process, utilizing APQP methodology throughout our processes and procedures. This enables us to produce the highest quality products consistently on time and to continually improve at every level of our company.


ISO Logo

A Woman-Owned Small Business – Family-Owned and Operated

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, US Cotronics strives to further solidify women’s place in the American manufacturing space.

Streamlined Packaging and Shipping to Simplify Your Supply Chain

Each part that leaves US Cotronics is given a final inspection before being packed to ensure no product leaves our facility until it meets our strict quality standards. We work with all customers to ensure their parts are packed and shipped in the safest, most reliable and most cost-effective manner to guarantee that shipments arrive on time and undamaged.

Superior Workmanship and Results

Our company maintains a dependable and motivated workforce dedicated to quality and on-time delivery of product. Since 1985, US Cotronics has provided products and solutions to a diverse cross-section of industries, including precision defense and aerospace applications, medical devices, automotive components, as well as industrial, agricultural, and on-highway equipment.

At US Cotronics, we strive to offer complete in-house production solutions for all of your custom coil products while helping to solve your supply chain constraints through our superior American contract manufacturing services.