Specialty Wire Harness & Cables Assemblies Manufacturer USA & Mexico

Focused on Service and Your Success
Expertise and support

The best customer service comes from deep industry expertise, tireless support, and excellence in price, quality, lead time, and logistics. That’s the ICA Holdings advantage. Each of our six manufacturing operations has a 20+ year history in providing exceptional engineering resources and support for a diverse and exacting customer base.

With our network of facilities in the US and Mexico, we are strategically positioned to give your company the responsiveness, attention-to-detail, and just-in-time support of a local partner with the advantages of access to our manufacturing excellence in a low-cost region for your labor-intensive assemblies. We offer 350,000 square feet of manufacturing space with state-of-the-art equipment, tooling, and expertise aligned to your needs.

Each of our individual facilities contributes extensive specialized expertise to the network, resulting in deep company-wide capabilities within the wire harness manufacturing industry in a variety of applications.

In September 2022, ICA Holdings was acquired by Amphenol Corporation. By joining Amphenol, ICA Holdings is able to leverage Amphenol’s global resources, interconnect knowledge, and innovations while continuing to provide the same level of customer service and quality.  Founded in 1932, Amphenol is one of the world’s largest providers of high-technology interconnect, sensor and antenna solutions. Amphenol’s products Enable the Electronics Revolution across virtually every end market, including Automotive, Broadband Communications, Commercial Aerospace, Industrial, Information Technology and Data Communications, Military, Mobile Devices and Mobile Networks.

The ica difference

Service is at the heart of everything we do. We support a diverse customer base of
manufacturers in 30+ end markets with the dedication you would expect from a local partner.

Team + Talent

Our team of 800+ employees in the US and Mexico includes the best engineering and manufacturing talent in the industry, handpicked to provide expertise where you need it most.

Capabilities + Equipment

Our state-of-the-art equipment and our engineering and process expertise enable us to make all types of harnesses, from simple to very complex applications and everything in between.

Service + Support

We combine the extensive resources of a large company with the service, support, and responsiveness of a local partner.


Our scale and longstanding relationships with a robust network of suppliers enable us to evaluate your supply chain and recommend key components while providing the most competitive pricing possible.

Engineering Expertise

Our expert manufacturing, process, and quoting engineers support customers at every phase from quotation to delivery to reduce cost and lead times, ensure quality, and support product performance.

Network + Coverage

With facilities in the Northeast, Southeast, Midwest, Southwest, and Mexico, we provide valuable local support for key logistics needs and rapid responses to our customer's challenges.

6 Facilities in strategic locations throughtout the u.s. and mexico
1200 Experts in manufacturing assembly, engineering, quality, customer support and supply chain
350k combined square feet of manufacturing facilities with State-of-the-art capacity

We value honesty, commitment, quality craftsmanship, on-time delivery, and superior customer service.


Strategically located facilities in the US and Mexico give us the expertise, equipment, labor, and logistics to serve customers holistically throughout the nation, delivering on your cable assembly, wire harness and electromechanical needs at competitive costs with quick turns.

ICA Northeast Exeter, NH
ICA Midwest Greenville, WI
ICA Mid-Atlantic Whitsett, NC
ICA South Fort Valley, GA
ICA Sales/Support Tucson, AZ
ICA de Mexico Nogales, Sonora, Mexico


For a full list of all certifications held by the ICA family of companies, visit our Certifications page.


Looking for cost-effective solutions? Just-in-time delivery support? We’d love to learn more about how to meet your needs.

Contact Ica