About Us

Part of the Dufrane family of companies.


The team at Dufrane Technologies LLC has over 150 years of combined experience in designing, engineering, and manufacturing Custom Electromagnetic Devices, Electromagnetic Windings, Small Custom Transformers, Power Transformers, Current Transformers, Toroids/Toroidal Transformers, Bobbins, Bobbin Windings and other critical power management components to meet very specific customer needs.

Dufrane Technologies LLC (DT LLC) was established more than 30 years ago as BOMAG. Dufrane Technologies has a long record of designing, engineering, and manufacturing high quality value-added critical components that are vital for safe operation, hazardous environments for the most exacting clients including:




Dufrane Technologies LLC has an 80,000+ Square Foot facility which can accommodate equipment and personnel needed to effectively perform large contract manufacturing jobs.

Dufrane Technologies division is one of the Dufrane Companies, including Dufrane Nuclear Shielding, Inc. Dufrane Construction, Dufrane Rail – there’s a full corporate profile available at www.dufrane.com.

Dufrane Technologies is headquartered in Winsted, CT.


What need can we solve?

Let our combined 150+ years of experience assist with your project.

Contact Us