Sumitomo Wiring System, Ltd. Sumitomo Wiring System, Ltd.

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  • Company Information

    Company Information Top Page

    Company Information

    Sumitomo Wiring Systems operates on the global stage in over 30 countries, with automotive wiring harnesses as its core business.

    Company Information Top Page

    • Greetings
    • Corporate Principles
    • Corporation strategy
    • Company Profile
    • SWS's 100th Anniversary Special content
    • Ad & Video gallery

  • Product Information

    Product Information Top Page

    Product Information

    Sumitomo Wiring Systems, Ltd. cooperates to make a better society through technology and high-quality products.

    Product Information Top Page

    • Wiring Harnesses for Automobiles
    • Electric Wires and Cables for Automobiles
    • Components for Wiring Harness
    • Electronic Products
    • Products for HVs and EVs

  • Technology creating the future

    Technology creating the future Top Page

    Technology creating the future

    Sumitomo Wiring Systems, Ltd. reveals the future of automobiles, by connecting cars, people, and society to create unprecedented convenience.

    Technology creating the future Top Page

    • “Electrification” for the preservation of the environment
    • “Connected cars” : increasing the level of convenience
    • The “Autonomous car” and its contribution to safety

  • CSR Activities

    CSR Activities Top Page

    CSR Activities

    With the "Conect with the Best" spirit, we will contribute to establish a sustainable society, and a bright future.

    CSR Activities Top Page

    • Top message
    • Sports support
    • CSR Management
    • Your Opinion
  • Recruitment Information
  • Contact Us
  • SWS News

Introduce SWS's Ad & Video Gallery. Introduce SWS's Ad & Video Gallery.

Celebrating the 100th Anniversary of our founding. Looking towards the next 100 years, with our connecting technology. Celebrating the 100th Anniversary of our founding. Looking towards the next 100 years, with our connecting technology.

2030VISION Mid-term Management Plan 2025 2030VISION Mid-term Management Plan 2025

Introduce SWS's Ad & Video Gallery. Introduce SWS's Ad & Video Gallery.

SWS NewsList

  • May12, 2026

    Press Releases

    Changes to the Appointment of Directors and Executive Officers (Unofficial) (PDF 178.8KB) NEW

  • April 1, 2026

    Press Releases

    Notice regarding employment of top athletes (PDF 175.6KB)

  • April 1, 2026

    Press Releases

    Summary of Greetings from President to 2026 New Employees (PDF 155.7KB)

  • May13, 2025

    Press Releases

    Changes to the Appointment of Directors and Executive Officers (Unofficial) (PDF 499.0KB)

About Sumitomo Wiring Systems An introduction to Sumitomo Wiring Systems
including the basic principles,
greetings, and company overview. Details
CSR Activites With the "Connect with the Best" spirit,
we will contribute to establish
a sustainable society,and a bright future. Details
Product Information With the wiring harnesses as our core product,
we provide a variety of products to meet the needs
of these rapidly changing times,
such as electric automobiles,
hybrid car-related components, and electronics. Details
Recruitment Information Connect the unimaginable future.
We have information regarding
the recruitment of new graduates,
people interested in a career change,
people with disabilities,
general staff, interns, etc. Details

Company Information

  • Greetings
  • Corporate Principles
  • Corporation strategy
  • Company Profile
  • SWS's 100th Anniversary Special content
  • Ad & Video gallery

Product Information

  • Wiring Harnesses for Automobiles
  • Electric Wires and Cables for Automobiles
  • Components for Wiring Harness
  • Electronic Products
  • Products for HVs and EVs

Technology creating the future

  • “Electrification” for the preservation of the environment
  • The “Autonomous car” and its contribution to safety
  • “Connected cars” : increasing the level of convenience

CSR Activities

  • Top message
  • CSR Management
  • Sports support
  • Your Opinion

Recruitment Information

Contact Us

SWS News

  • Information Security Policy
  • Global Privacy Policy
  • Social Media Policy
  • Terms of Use
  • Sitemap

(C)2008 Sumitomo Wiring Systems, Ltd.

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