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Automotive Wire Harness Suppliers

Founded in 2002 and based in the Pacific Northwest, Technical Cable Applications is one of the premier custom wire harness and assembly manufacturers in the United States. With decades of experience in producing automotive wiring harnesses for some of the largest automotive, marine, locomotive, and agricultural companies in the nation, along with manufacturing thousands of other types of assemblies and wire harnesses for other industries and applications every year, TCA’s high quality offerings of OEM and custom wiring harness production will be your greatest asset.

No matter your needs, you can contact us at [email protected] to get a quote! Just send us your wire harness drawing and any necessary NDAs so we can get started right away.

Automotive Wire Harness Suppliers

Automotive OEM Wiring Harness and Custom Wire Experts

With nearshore automotive wire harness solutions and services thanks to our partnerships with two harness manufacturer facilities in Guadalajara, and global support services with our ISO 9001:2015 certification, no matter where you’re located, our company can be an excellent partner for you. We have the ability to provide fast turnaround times and low MOQs for your prototyping services and custom harness products, while having the advanced facility and staff to provide extremely large orders of OEM transportation wire harnesses and other assembly products. Whether your company is manufacturing electric powered (EV) semi-trucks, infotainment systems for other makes’ vehicles, public transit vehicles, or specialized products for law enforcement vehicles, we’d love to work with you no matter the industry.

Some of the many types of wire harnesses and assemblies we manufacture for transportation companies’ needs include:

  • Molded wire assemblies
  • Battery cable assemblies
  • GXL wire assemblies
  • SXL wire assemblies
  • Flat/ribbon cable assemblies
  • Shielded wire harnesses
  • RJ45 cable assemblies

Trusted by Top Automotive Manufacturers

Not only do we have decades of industry experience and thousands of highly satisfied customers over those decades, we also hold several certifications verifying our excellence in producing high value harnesses and other assembly manufacturing services. We are ISO 9001:2015 certified for wire harness manufacturing, which is a global standard for quality control. We’re also certified by UL for cable assembly in the United States and Canada, and hold to the high standards of IPC/WHMA-A-620 Standard Revision E for our quality control and component tracking.

Finally, we utilize the most powerful and advanced equipment possible including automated work instruction software from our partners at Scout Systems. This helps us maximize efficiency, fix problems early in manufacturing of custom or unusual assemblies before they cause delays, and maintain the highest quality possible.

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