The Nation's Premier Commercial Wire Harness Manufacturers

From automotive and aerospace to industrial and medical, we have the expertise and experience to design and build custom wire harnesses and PCB's that meet your exact specifications. RPI is ISO 9001-2015 certified.

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Build Spec Review of your Design Guided by a Dedicated Program Manager

Design Review by a Dedicated Project Engineer

Build to Order Time Schedule

Proposed Budget Estimate based on quantity and Required Production

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Upload Your Design

Start Your Design

Design and Development Process with a Dedicated Program Manager

Design Drawings performed by a Dedicated Project Engineer

Build to Order Time Schedule

Proposed Budget Estimate based on quantity and Required Production

Get Started Now

Start Your Design
  • Industry Expertise

    With years of experience in these fields, we bring unmatched expertise to every project. Our team of skilled professionals understands the unique requirements of a myriad of industries, delivering solutions that exceed expectations.

  • Customized Solutions

    We don't believe in one-size-fits-all solutions. Whether you need a complex wiring system for your next-generation vehicle or a high-performance harness for aerospace applications, we tailor our services to meet your specific needs and requirements.

  • Cutting-Edge Technology

    We invest in the latest technology and tools to stay ahead of the curve. From advanced design software to a state-of-the-art production facility, we leverage cutting-edge technology to deliver precision-engineered wire harnesses of the highest quality.

  • Scalability

    Whether you need a small batch or a large-scale production run, we have the capacity and capability to handle orders of any size. Our streamlined processes and efficient production methods ensure timely delivery without compromising on quality.

  • Quality Assurance

    Quality is at the core of everything we do. Our rigorous quality control measures and testing protocols ensure that every wire harness meets the highest standards of performance, reliability, and durability.

We specialize in serving national brands and large manufacturers in verticals from automotive, agricultural, factory automation, aerospace, and more, delivering top-notch quality and expertise for your production needs. Join the ranks of leading manufacturers who trust us for their wire harness needs, and experience the difference first hand. Contact us today to discuss your project requirements and discover how we can help you achieve success.

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At RPI, we take great pride in manufacturing custom products that are made right here in the US. From our base in Racine, Wisconsin, we use only the highest quality materials and components to craft wiring solutions that are durable, reliable, and built to last. By choosing RPI, you can trust that you are getting a product that is not only tailored to your specific needs, but also represents the quality and craftsmanship of American manufacturing.

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Agriculture

Custom wiring harnesses are essential in the agriculture industry to ensure the efficient operation of heavy equipment, such as tractors and harvesters. These harnesses provide a reliable connection between sensors, controllers, and other components in the machinery. With custom wiring harnesses, farmers can monitor and control the performance of their equipment, optimize the use of resources, and improve crop yield.


Additionally, these harnesses can withstand the harsh environmental conditions of the field, such as moisture and vibration, which are common causes of equipment failure. Overall, custom wiring harnesses in the agriculture industry increase efficiency, productivity, and profitability.

Agriculture
Automotive
Factory Automation
Industrial
Medical
Rail
Power
Aerospace
Transportation
Robotics
Military
Oil & Gas
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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.

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!

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