Ringmetall AG is a Germany-based company engaged in the investment in medium-sized manufacturing companies located in Germany, France, the United Kingdom, the Netherlands, Slovakia, the United States and Spain. The Company is mainly specialized in the metal processing and mechanical engineering industries. In the metal processing sector, the Company operates through its wholly owned subsidiary August Berger Metallwarenfabrik GmbH, which produces clamping rings. In the mechanical engineering sector, it operates through its wholly owned subsidiary Zimmer & Kreim GmbH & Co KG, which produces handling systems and offers software solutions for metal erosion machines. Further subsidiaries include Berger Metallwarenfabrik GmbH, Berger Verwaltungs GmbH, ZK (China) Company Ltd, Self Industries Inc., and Fidum Verwaltungs GmbH, among others.