Sumitomo Wiring Systems LTD.'s Company Profile and Products

Sumitomo Wiring Systems LTD.

  • Japan
  • Founded: 1917
  • Number of Employees: 242,512
  • Manufacturer
Sumitomo Wiring Systems LTD. Website
Sumitomo Wiring Systems LTD.

Table of Contents


Sumitomo Wiring System, Ltd., established in 1917 and headquartered in Mie, Japan, is a manufacturer that supplies automobile wiring harnesses. The company offers various products such as HEV/EV electric wires, high-voltage wires, shielded cables, body ECUs, and more. It also provides one motion grommet, battery wire module, and high frequency connectors, serving the automotive industry. These products are designed to reduce the complexity of modern vehicles by providing a single solution for all vehicle's wiring needs. The company is certified as a Corporation with Excellent Health Management for sixth consecutive years.


Country Japan
Address 5-28 Hamada-cho, Yokkaichi, Mie, Japan
Founded 1917
Number of Employees 242,512
Company Type Manufacturer
Website Sumitomo Wiring Systems LTD. Website


2 Sumitomo Wiring Systems LTD.'s products are listed.


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