Marquardt Group | 51,694 followers on LinkedIn. Expert in interactive mechatronics | Founded in 1925 and headquartered in Rietheim-Weilheim, Germany, the family-owned company Marquardt is one of the world's leading manufacturers of mechatronic switching and operating systems. The mechatronics specialist's products - including operating components, vehicle access, driving authorization and battery management systems for electric vehicles - are used by many well-known customers in the automotive industry. Marquardt systems can also be found in household appliances, industrial applications and power tools.