Specializing in briquetting, compaction, and high pressure grinding (HPGR) equipment, processes, and services, the Köppern Group in the US consists of Komarek which is owned by Maschinenfabrik Köppern GmbH in Germany. With the combined force of these industry pioneers, we offer cutting-edge solutions to the chemical, mineral, metal, agricultural, waste, energy, recycling, cement, and mining industries, from small-scale pilot machines to large-scale production systems. At the forefront of roll press technology for over a century, Komarek and Köppern operate out of Wood Dale, IL, where the main manufacturing and full-scale research and testing labs are.