About USA Harness

Founded in 1991 in Winnsboro, Texas, USA Harness manufactures premium, custom electrical wiring harnesses for the commercial vehicle applications including: heavy duty dry vans, tank trailers, car haulers, refrigerated trailers, truck body/bed, heavy duty off-highway vehicles, armored couriers, light- to medium-duty trailers and specialized vocational equipment. All USA Harness wiring systems are custom designed to fit specific applications, and meet or exceed all applicable industry standards. The company’s patented USA-PLUS system provides the most advanced molded harness connections available in the market, accommodating up to ten separate circuits in one system (US Patents 6,319,039 and 10,014,631). The USA Harness facilities are located in northeast Texas, where the company’s product development, manufacturing and engineering support are centered; key capabilities include tool and die making, plastic injection molding, terminal application, ultrasonic splicing, and digital testing.


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