Motherson Sumi Wiring India Ltd. Motherson Sumi Wiring India Limited is an India-based automotive supplier company, which provides full-system solutions to original equipment manufacturers (OEMs) in the wiring harness segment. It meets the customer needs at every stage of the supply chain, from initial product design and validation to tool design and manufacturing, finishing, processing, assembly, and finally, production of integrated electrical and electronic distribution systems for the power supply or data transfer across vehicles. It offers a variety of harnesses for different vehicles including passenger and commercial vehicles, two and three-wheelers, farm equipment and off-road vehicles. Its services encompass three-dimensional (3D) computer-aided design, printed circuit board design and routing, 3D printing, prototyping, virtual and physical validation and technology implementation support. The Company operates 26 facilities consisting of manufacturing and assembly sites and technical centers across India.