The company's founding location of Wuppertal is also the headquarters of the Schmersal Group and the location of its largest production plant. Approximately 650 employees work here. In the global production network Wuppertal is the "Lead Factory", where new production procedures are first tested. At this location there is a large laboratory with DAkks accreditation, and also central functions are located such as research and development, procurement, product management, marketing and sales. The management of these areas work closely together with those responsible in the worldwide production sites and sales companies in each market.