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.
TERMS AND CONDITIONS
Scope and Precedence
All sales are governed by Company quotations and these Terms and Conditions. Any conflicting Customer terms apply only if agreed in writing by an authorized representative of Dufrane Technologies LLC.
Pricing and Payment
Prices are in U.S. dollars and exclude taxes, duties, and freight unless stated otherwise. Payment terms are as stated on the quotation or invoice and are subject to agreement between Dufrane Technologies LLC and the Customer. Late payments may be subject to finance charges.
Delivery and Risk of Loss
Unless stated otherwise, shipments are FOB Dufrane Technologies LLC, Winsted, CT. Risk of loss transfers to the Customer when the carrier takes possession of the goods.
Inspection and Acceptance
The Customer must inspect products within 10 business days of receipt and notify the Company in writing of any issues. If no notice is received within this period, products are deemed accepted.
Changes and Cancellations
Any change to quantity, design, material, or delivery is subject to review and may result in price or schedule changes. Canceled orders are subject to charges for work performed, material committed, and reasonable overhead and profit.
Quality Management System (QMS) and Documentation
Dufrane Technologies LLC maintains a Quality Management System (QMS). Certificates of Conformance, material certifications, special process certifications, First Article Inspection Reports, and other documents will be supplied only when specified on the purchase order or quotation and may incur additional charges.
Export and Regulatory Compliance
The Customer and the Company will comply with all applicable export control and regulatory requirements. The Customer must identify export controlled data or parts and provide any required handling instructions.
Limitation of Liability
To the maximum extent allowed by law, the Company is not liable for indirect, incidental, or consequential damages, including loss of profit or loss of use. The Company’s total liability for any claim is limited to the amount paid by the Customer for the specific products that give rise to the claim.
Governing Law
These Terms are governed by the laws of the State of Connecticut. Any dispute will be handled in the state or federal courts serving Winsted, CT, unless otherwise agreed in writing.