Duroc AB (publ), through its subsidiaries, engages in the fiber, industrial trade, and other businesses in Sweden, Europe, and the United States. The company manufactures polypropylene-based fibers and yarns for the automotive, construction, furniture, and filter industries; and textiles for greenhouses. It also distributes diesel engines for industrial and marine uses, as well as provides related spare parts, service, repairs, and others; and trades in machine tools, including automation solutions, tools, service, and support for engineering companies.