A Leader In Custom Coil Products

Dufrane Technologies has the team, experience, and technology to produce high-integrity custom coil winding, industrial and military transformers, and precision machined parts.

Made in USA
Custom coil winding

Custom Coil Products

Custom coil solutions for high-integrity, high-performance electrical conditioning—windings, inductors, chokes, and build-to-print electromagnetic coils.

Custom transformers

Custom Transformers

Build-to-print transformer coils and in-house designs: power, current, toroidal, audio, and military-grade transformers with value-added engineering.

CNC machining

Custom Machining

Full in-house milling and CNC lathes for contract manufacturing—whether or not the job includes our electromagnetic products.

What need can we solve?

Let our combined 150+ years of experience assist with your project. Reverse engineering, contract manufacturing, and design-build from our 80,000+ sq ft Winsted, Connecticut facility.

Call (860) 407-6241

Part of the Dufrane family of companies.

From our shop

Manufacturing, engineering, and machinist careers in Northwest Connecticut—see openings on the Dufrane careers portal and our shop listings.