The Schwing GmbH is a German manufacturer of mobile and stationary concrete pumps and truck mixers based in Herne, Germany. The company is the parent company of the Stetter GmbH from Memmingen. The Group is the world's largest concrete pump manufacturer. The company employs over 3,300 employees in seven countries. Additionally, there is its own sales companies in over 100 countries. Managing Partner of the group since 2001, Gerhard Schwing, one of two sons of the founder.