Emerging from long-established family enterprises, the TOP-WERK GROUP is a german provider of machines and equipment for the concrete products industry. As a major supplier with over 850 employees the TOP-WERK GROUP has subsidiaries in Europe, North America, South America, Asia and Middle East. Each of the four TOP-WERK GROUP members is specialized in a certain product division: The HESS GROUP manufactures concrete block making machines, moulds and mixing plants. SR-SCHINDLER covers tile presses and value adding lines whereas PRINZING-PFEIFFER provides machines for concrete infrastructure products. HESS AAC SYSTEMS is specialized in autoclaved aerated concrete plants. With many years of experience in the concrete industry, the name TOP-WERK now stands for unsurpassed know-how and innovative technologies. The individual project planning satisfies the demands of international markets and meets their specific requests. The continuously growing market share speaks for itself.