Since 1991 Marquardt Tunisia located in the heart of Tunis belongs to the Marquardt Group which is internationally with 16 sites in four continents around the world . Marquardt Group is a family business founded in 1925 and based in Rietheim-Weilheim, Germany , is one of the world's leading manufacturers of electromechanical and electronic switches and switching systems. The mechatronics expert's products are used by many renowned customers in the automotive industry and include operating components, vehicle access, driver authorization and battery management systems. The company's systems are also used in household appliances, industrial applications, power tools and electric bicycles. Marquardt Group employs more than 10,000 people worldwide at 19 sites on four continents. The company has achieved a turnover of more than 1.2 billion euros in the 2017 financial year. Each year, Marquardt invests approximately 10% of its turnover in research and development.