Motherson Sumi Systems Limited (MSSL) was established in 1986 and is part of the Motherson Group. Motherson Sumi Systems Ltd. is a joint venture between Samvardhana Motherson International Ltd of India and Sumitomo Wiring Systems Ltd. (SWS) of Japan. A collaboration with Tokai Electric Co. (now SWS) in 1983 led to the incorporation of Motherson Sumi Systems in 1986, primarily as a wiring harness manufacturer. The company was listed in 1993 on BSE and NSE in India. Motherson Sumi Systems is one of the largest manufacturers of wiring harnesses for commercial vehicles and rearview mirrors for passenger cars in the world and India's largest manufacturer of automotive wiring harnesses and mirrors for passenger cars. It is also a leading supplier of plastic modules and components in Europe and India. Motherson Sumi Systems is currently the largest auto parts provider in India and was listed among the Fab 50 companies of India by Forbes magazine It has been ranked No. 1 auto ancillary in India for seven consecutive years by Fortune India 500. The Motherson Group is ranked 21st among global automotive suppliers by Automotive News. As of March 2018 – 2019, the company, along with its subsidiaries, had a consolidated revenue of US$9.1 billion.