Horst Klaes GmbH & Co. KG is a prominent software company specializing in solutions for the window, door, and façade industry. Founded in 1983 and headquartered in Bad Neuenahr-Ahrweiler, Germany, Klaes provides a comprehensive range of software products designed to enhance the planning, production, and management processes in the building elements sector. Their offerings include tools for 3D design, enterprise resource planning (ERP), and production control, tailored to meet the needs of manufacturers, dealers, and craft businesses. The company is known for its commitment to innovation, helping its clients streamline operations and improve efficiency.