Sumitomo Electric Wiring Systems, Inc. (SEWS) is a leading supplier of automotive electrical distribution systems and electronics. The company was founded in 1917 and is headquartered in Japan. SEWS has a global presence with manufacturing facilities in Asia, Europe, and North America. The company provides a wide range of products including wire harnesses, connectors, and electronic components. SEWS is a subsidiary of Sumitomo Electric Industries, Ltd.