Transportation Industry Wire Harness Manufacturing

Commercial Wire Harness Manufacturing Services for the Transportation Industry

From road vehicles to public transit, marine vessels, and rail systems, RPI provides comprehensive wiring solutions for the transportation industry. Partner with us for reliable, durable, and high-performance wiring harnesses tailored to your transportation needs.

Vehicle Wiring Harnesses

Optimize transportation systems with RPI's custom wiring harness solutions for vehicles. Our harnesses support a wide range of transportation applications, including cars, trucks, buses, and specialty vehicles. Designed for reliability and performance, RPI harnesses ensure seamless connectivity for electrical components, lighting, safety systems, and more.

Wiring Harnesses for Public Transit Integration

As infrastructure grows, the need for improvement and maintenance of public transit systems can benefit from RPI's wiring solutions tailored for buses, trains, and other mass transit vehicles. Our harnesses support communication systems, passenger amenities, safety features, and control panels, enabling efficient and reliable operation of public transportation networks.

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Marine and Watercraft Applications

Navigate the waters with confidence using RPI's wiring harness solutions for marine and watercraft applications. Our harnesses support navigation systems, propulsion systems, lighting, communication devices, and electrical components, ensuring safety, performance, and reliability on the water.

Rail and Locomotive Maintenance and Repair

Keep rail transportation on track with RPI's custom wiring harnesses for rail vehicles and locomotives. Our harnesses support signal systems, control panels, lighting, communication devices, and safety features, enabling efficient and safe rail operations.

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Nationwide Wire Harness Manufacturing Capabilities

At RPI, we take immense pride in our ability to deliver custom wire harness solutions to clients across the United States. What sets us apart is our commitment to keeping all our work within the country. From design and engineering to production and assembly, every step of the process is carried out right here in the USA. This not only ensures the highest quality standards but also allows us to maintain strict control over every detail, resulting in superior products that meet or exceed our clients' expectations.



Our in-house expertise and state-of-the-art facilities enable us to cater to a wide range of industries and applications, from automotive and aerospace to factory automation and beyond. Whether you need a complex wiring system for a new vehicle model or a custom harness for industrial machinery, we have the capabilities and resources to deliver tailored solutions that precisely match your requirements. With RPI, you can trust that your wire harness needs are in capable hands, backed by a team of dedicated professionals who are committed to excellence and innovation.

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What Clients Say About Us

We have been with RPI for 25 years and they have always delivered an incredible personal experience and quality products. We highly recommend them.


Judy S.

The team in Wisconsin is great! Always responsive with great personal service. Fast troubleshooting and terrific testing!


Tim A.

We use RPI for our Harness requirements in our Tractor Division. The team is A+, we always get quality, communication, and we are very satisfied!


George D.

We use RPI for our Auto Testing Equipment. They tackle very complicated equipment challenges, are always on time, always do quality work, testing, and unbelievable follow-through.


Jeff M.

Good Wire Harnesses and Good People! Very Satisfied!

Matt F.

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Rather Connect Over the Phone or Chat?

Looking for a more personalized experience? We've got you covered! Whether you prefer the ease and convenience of a phone call or the flexibility of chat, we're here to connect with you on your terms. Our friendly and knowledgeable team is always available to answer your questions, discuss your needs, and provide tailored solutions that meet your specific requirements. So why wait? Contact us today and let's connect on your preferred platform!