Harnessing Technology
Delivering Solutions

Wiring Harnesses – Electronics – Components – Electric Wire


The rising demand for technologically superior electronic features in vehicles is the major driver of the automotive wiring harness and electronics markets. In today’s automotive industry, SEWS products set the standard of excellence while meeting and exceeding our customers’ expectations of quality, delivery, and cost. Learn more

Connecting the Future of Automobiles

Developing new technologies and understanding efficient design principles have enabled Sumitomo Electric Wiring Systems to design, develop, and manufacture products the automotive industry wants.

Staying Ahead of the Curve

Efficient, reliable, and cost-effective. This best explains why SEWS has grown to be a global leader in the automotive wiring systems industry. We continue to build our customer base by providing the very best products, on time and within budget.


Making a better company, building better communities day by day. See the latest SEWS news.

Technology Driving the Future

The evolution of the automobile today has transformed it into a highly technical array of systems and components that are designed to add safety, comfort, fuel economy, luxury, and convenience to the driving experience. SEWS delivers intelligent products for today’s intelligent automobiles.

Grounded in Tradition
Connecting with Innovation

The Sumitomo Spirit along with our Core Values created the foundation of where we are today and provides us with the framework for tomorrow’s success.

Through creative and innovative product development, we respond clearly and surely to our customers’ needs. Our focus is now turned to the automotive society of the future – one that connects cars, people and society.


Harness Your Passion
and Talent with SEWS


We are always looking to add talented and motivated individuals to our North American team.

Join SEWS today to drive your future to an exciting and rewarding career!