Top 10 Best Custom-Made Automotive Wiring Harness Companies in USA for 2023

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Are you a business proprietor within the automotive sector who emphasizes exceptional electrical systems for your vehicles? Your search ends here! The USA hosts a selection of premier custom made automotive wiring harness companies that will surpass all your expectations.

To help you make an informed decision, we have compiled a comprehensive list of the top 10 companies that will revolutionize your business in 2023. From impeccable craftsmanship to cutting-edge technology, get ready to explore a world where quality and innovation meet seamless performance. 

So buckle up as we unveil the game-changers shaping the future of automotive wiring harnesses – it’s time to take your business to new heights!

Introduction to custom-made automotive wiring harnesses

Benefits of Using a Custom Wiring Harness for Vehicles

Custom-made automotive wiring harnesses provide a range of advantages for vehicles, making them an important component in modern automotive systems:

  • Precise Fit: Custom wiring harnesses are tailored to a vehicle’s specific make and model, ensuring a perfect fit and eliminating compatibility issues.
  • Improved Performance: They enhance performance by reducing electrical resistance and interference, resulting in smoother operation and better overall performance.
  • Easy Installation: Custom harnesses are designed for seamless integration, making installation efficient and reducing the risk of errors.
  • Simplified Maintenance: These harnesses are organized and labeled for easy troubleshooting and maintenance, saving time and effort.
  • Future-Ready: Custom harnesses often incorporate advanced technologies to accommodate future upgrades or additional components, avoiding the need for a complete system replacement.

Investing in a custom automotive wiring harness offers precise fitment, enhanced performance, easy installation, simplified maintenance, and future-proofing capabilities, making it a valuable choice for vehicle owners and industry professionals seeking optimal functionality and reliability.

Top 10 Best Custom-Made Automotive Wiring Harness Companies in USA for 2023

Custom-made automotive wiring harnesses are critical for reliable vehicle electrical systems, and in the USA, there are ten top-notch companies to watch in 2023, known for their quality and precision in manufacturing these components.

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Top 1: CTE Tech Corporation

CTE Tech Corporation holds a prominent position in the bespoke automotive wiring harness sector and is well-known for its dedication to innovation and high-quality standards. Their expertise lies in tailoring solutions that precisely address the distinct requirements of their clients, be it for high-end automobiles or electric vehicles. Their customer-centric approach sets them apart, collaborating closely with clients throughout the journey, from design conceptualization to the final product’s delivery.

CTE Tech’s use of advanced technologies and modern equipment ensures precision and reliability in its products. They also prioritize timely delivery without compromising on quality. Sustainability is a key focus, with efforts to minimize waste and maximize energy efficiency.

CTE Tech Corporation is a top choice for custom automotive wiring harnesses, offering excellence, customer satisfaction, cutting-edge technology, and sustainability in every solution they provide.

Top 2: Furukawa Electric Co. Ltd.

Furukawa Electric Co. Ltd. is a leading automotive wiring harness industry player, known for providing tailored solutions for various vehicle models. Their strong reputation is built on delivering top-notch products that precisely meet their clients’ needs. Key strengths of Furukawa Electric include a relentless commitment to innovation, resulting in cutting-edge technologies that set them apart from competitors. 

They also prioritize sustainability by employing eco-friendly manufacturing processes and materials. Moreover, their emphasis on customer satisfaction is evident through close client engagement throughout production. In 2023, Furukawa Electric remains a premier choice for high-quality custom automotive wiring harnesses, thanks to their dedication to excellence, innovation, sustainability, and customer-centric approach.

Top 3: Sumitomo Electric Industries, Ltd.

Sumitomo Electric Industries, Ltd. is a top player in the US custom-made automotive wiring harness sector, known for its industry expertise, innovation, and high-quality solutions. They specialize in tailored harness designs, emphasizing durability with premium materials. Their strong reputation for reliability and trustworthiness is complemented by exceptional customer service. 

Sumitomo Electric is a leading provider of customized wiring harnesses, recognized for innovation, durability, and outstanding customer support.

Top 4: BorgWarner, Inc.

BorgWarner, Inc. is a leading global supplier of custom-made automotive wiring harnesses and advanced electrical systems, boasting a century of experience and a strong reputation for delivering high-quality products tailored to customer needs. Their key strengths include extensive research and development capabilities, ensuring innovative and technologically advanced wiring harnesses. Operating a global network of manufacturing facilities, BorgWarner ensures efficient production and adherence to strict quality standards, making them a top choice for custom-made automotive wiring harnesses in 2023.

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Whether you’re an automaker or an aftermarket supplier, BorgWarner stands out as a reliable and innovative option worth serious consideration.

Top 5: Lear Corporation

Lear Corporation, a leading US-based automotive wiring harness company, is renowned for its unwavering commitment to innovation and quality, consistently delivering high-quality customized solutions for a wide range of vehicles. Leveraging extensive industry experience and expertise, they tailor harnesses to meet the unique requirements of each vehicle model, setting them apart. Their dedication to customer satisfaction, rigorous quality control, and investment in research and development further solidify their position as a trusted provider of custom automotive wiring harness solutions in the USA.

Top 6: YAZAKI Corporation

YAZAKI Corporation is an automotive wiring harness industry leader known for innovation and quality in customized vehicle solutions. They excel through continuous research and development, ensuring advanced technology in their harnesses. With decades of global automaker service, they tailor harnesses precisely to vehicle needs and prioritize sustainability. 

Their customer-centric approach and commitment to excellence secure their position among top custom wiring harness companies.

Top 7: Leoni AG

Leoni AG, a leader in custom-made automotive wiring harnesses, is recognized for its unwavering commitment to quality and innovation. With extensive industry experience, a skilled engineering team, and a focus on research and development, they rank among the top 10 custom-made automotive wiring harness companies in the USA for 2023. Their expertise is evident in tailored wiring solutions, diverse customization options, stringent quality control, and a commitment to sustainability, solidifying their position as an industry leader.

Top 8: Nexans autoelectric GmbH

Nexans Autoelectric GmbH excels in crafting customized automotive wiring harnesses with a strong focus on innovation and quality, particularly in the USA. Their expertise in tailoring solutions to meet individual vehicle requirements and their commitment to advanced technologies ensure top-notch products that enhance performance and efficiency. They prioritize customer satisfaction, consistently delivering on time and maintaining stringent quality standards, earning them a reputation for reliability. 

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Nexans stands out for their unique approach, technological expertise, and dedication to customer satisfaction, positioning them for continued success in the automotive industry.

Top 9: YURA Corporation

YURA Corporation has earned a prominent position in the U.S. automotive wiring harness industry due to its unwavering commitment to quality and innovation. Their standout feature is their dedication to customer satisfaction, working closely with clients to provide tailored solutions for vehicles of all sizes. With extensive industry experience, they create reliable and optimized wiring harnesses.

Their state-of-the-art facilities and advanced manufacturing processes ensure precision and quality control. Additionally, YURA Corporation prioritizes sustainability, minimizing waste and energy consumption. In summary, YURA Corporation’s success is built on customer-centricity, industry expertise, advanced manufacturing, and environmental responsibility, making it a top choice for customized automotive wiring harnesses.

Top 10: Motherson Group

Motherson Group, a leading player in the automotive industry, specializes in customized wiring harness solutions and ranks among the top 10 best custom automotive wiring harness companies in the USA for 2023. Their global presence, advanced technology, customer-centric approach, and sustainability efforts set them apart. With manufacturing facilities and design centers across multiple countries, they cater to diverse market needs and deliver high-quality, precision-engineered products. 

They prioritize customer satisfaction, collaborate closely with clients from concept to delivery, and uphold eco-friendly practices to minimize their environmental impact. Motherson Group’s unwavering commitment to innovation and excellence solidifies its position in the custom automotive wiring harness industry.


In the automotive industry, custom-made automotive wiring harnesses are essential for enhancing vehicle performance and reliability. We’ve listed the top U.S. companies in 2023 known for their expertise in providing tailored wiring solutions. CTE Tech Corporation leads the list, offering innovative custom automotive wiring harnesses for dependable electrical systems. 

Other industry leaders include Furukawa Electric, Sumitomo Electric, Lear Corporation, Yazaki Corporation, Leoni AG, Nexans Autoelectric GmbH, YURA Corporation, and Motherson Group, all excelling in delivering precise solutions.

These companies prioritize perfection and innovation to ensure safety. Invest in a custom-made wiring harness for improved performance, reliability, and cost-efficiency in your vehicle’s electrical system. It’s a long-term investment in optimal functionality and peace of mind.

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Shabir Ahmad

Shabir is a Guest Blogger. Contributor on different websites like,,, and on many more.