Sumitomo Electric Wiring Systems is a leading global manufacturer of automotive wiring harnesses and electrical distribution systems, serving top OEMs with innovative solutions across North America and worldwide.
Import Shipments
Distribution Centers
Annual Revenue
Founded
Sumitomo Electric Wiring Systems is likely advancing its product portfolio to support electric vehicles, autonomous driving, and connected car technologies, in line with current automotive industry trends.
Expansion of production capacity to meet growing demand for electric vehicle wiring systems
Strategic efforts to expand market presence and reach new customer segments.
Implementation of advanced technologies to improve service delivery and customer experience.
Sumitomo Electric Wiring Systems specializes in the design, manufacturing, and supply of automotive wiring harnesses, high-voltage motor cables, and electronic components such as control units and junction blocks. The company leverages decades of expertise and advanced R&D to provide intelligent, efficient, and cost-effective solutions for modern vehicles. SEWS serves as a critical supplier to leading automotive OEMs, supporting the industry's shift toward electrification, connectivity, and advanced safety systems. With multiple locations across North America, SEWS is committed to delivering quality products on time and within budget.
United States (North America)
1986
Private company
