Terminal Supply Company

TSC Manufacturing produces custom wiring harness and cable assemblies. We have the expertise and facilities required to provide great value for your low, medium, and high volume production jobs. TSC Manufacturing is the harness solution for companies across the country in a variety of industries, including vehicle upfitters, specialty vehicle manufacturers, military and government entities and contractors, green industries, trucking companies, golf cart manufacturers, heavy equipment manufacturers, industrial plants and equipment manufacturers. All of our harness products are built in Detroit, Michigan.  As a division of Terminal Supply Company, a leading Midwestern automotive electrical distributor since 1966 with a stocking inventory of over 20,000 components, TSC Manufacturing has the ability to deliver high quality harnesses and tremendous value, with rapid turn-around times.  Utilizing our national network of regional branches, we also offer local warehousing and 1-day delivery.

TSC Manufacturing has the experience and facilities to be your partner for your vehicle or other product’s initial prototype validation through commercial production. We build: battery cables, loom encased cables & harnesses, custom braided harnesses, truck lighting assemblies, panel fabrication, complex automotive wiring harness systems, and multi-functional harnesses. Ask your Sales or Customer Service Representative to quote your latest harness project.