Business Principles

Sumitomo Electric Wiring Systems, Inc. and other companies of the Sumitomo Group share the Sumitomo "Business Principles", which have supported Sumitomo business ethics for over four hundred years. The principles of placing "prime importance on integrity and sound management" and "not pursuing easy gains or acting imprudently" remain valid at all times, and we should adhere to them always. As for "respecting humanity and attaching importance to technical expertise", it is no exaggeration to say that these values constitute the permanent corporate philosophy of our company. On the occasion of the parent company's centennial anniversary, and based on its tradition, our business principles have been redefined as shown below, to motivate us toward greater achievement in the years to come.

• Offer the very best goods and services to satisfy customer needs.
• Build technical expertise, realize changes and strive for consistent growth.
• Contribute to creating a better society and environment, with a firm awareness of our social responsibility.
• Maintain high corporate ethics and strive to become a company worthy of society's trust.
• Nurture a lively corporate culture that enables employee self-improvement.

Our Quality Pledge

"Quality for a Better Tomorrow"... a commitment made by Sumitomo Electric Wiring Systems to our customers...our worldwide markets ourselves. Working as a team, we support this pledge by combining excellence in day-to-day communications with a world-class work ethic and state-of-the-art processes to produce products which consistently meet and exceed our customers' expectations of quality, delivery and cost.


It's evident in everything we do at Sumitomo Electric Wiring Systems. As a leading supplier of wiring harnesses and connecting components to the automobile industry, Sumitomo Electric Wiring Systems, Inc. prides itself in showing the utmost quality and professionalism to achieve the desired end result. The automotive industry is a dynamic world filled with constant changes as new technology emerges and consumer tastes evolve with the growing number of choices available.

Some of the biggest advances have been made in the field of automotive electronics distribution systems technology. Consequently, the automotive wiring harness has become the lifeblood of the modern automobile. Wiring harnesses produced by Sumitomo Electric Wiring Systems not only act as a power conductors for basic functions, but also for a whole range of new and exciting safety and information technology features.