About Us
Over 76 years of precision wire manufacturing in Bridgeport, Connecticut.
Established in 1950
The Bridgeport Insulated Wire Company was established in 1950 in Bridgeport, Connecticut. From day one, every product has been manufactured 100% in the U.S.A., keeping quality high and supply chains reliable.
Our wire manufacturing combines precision engineering with the latest production technologies while maintaining an unwavering dedication to our customers' needs. We are unsurpassed in the world of insulated wire and intend to keep it that way.
As a member of the National Electrical Manufacturers Association (NEMA), we uphold the highest industry standards across every product we manufacture — from standard magnet wire to complex military-specification constructions.

Our Facility & Equipment
Our complete line of machinery is designed and built specifically for the manufacture of fine wire by our own staff engineers, in accordance with ongoing research and development programs.
Twisting Machinery
Versatile twisting machinery for the stranding of both fine and Litzendraht wire.
Enameling Machinery
Precision enameling machinery for the manufacture of quality fine wire insulations.
Wiredrawing Facilities
Complete wiredrawing facilities for the manufacture of fine gauge wire.
Tinning & Stranding
Tinning and stranding machinery especially designed for the manufacture of small gauge stranded wire.
Bobbin Winding
Single strand, parallel, and twisted constructions manufactured on 16 and K24 carrier bobbins to customer specifications.
Textile Serving
Specially designed equipment that provides textile serves with complete uniformity across Glass, Daglas, Nomex, Nylon, Cellulose Acetate, and Kevlar fibers.
Certifications & Compliance
NEMA MW-1000
All products manufactured to National Electrical Manufacturers Association specifications.
UL Approved
Many insulations carry Underwriters Laboratories approval for safety and performance.
Naval JW-1177/A
Military-grade approval received for defense and government applications.
NEMA Membership
Active member of the National Electrical Manufacturers Association.
Sister Company: Strings by Aurora
We are proud to operate Strings by Aurora, our sister company manufacturing premium guitar strings. After acquiring Arkay Strings of Long Island, Strings by Aurora has grown into one of the most reliable, highest quality string brands on the market. We manufacture Electric, Acoustic, Bass, Classical, and Ukulele strings — all 100% made in the U.S.A.
Visit Strings by AuroraHave a Wire Project?
Our engineering team is ready to discuss your specifications and deliver the right solution.
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