RIAS A/S processes, sells, and distributes of semi-finished plastic products in Denmark, Sweden, and internationally. It serves building, construction, chemical, machinery, offshore, food, furniture a... RIAS A/S processes, sells, and distributes of semi-finished plastic products in Denmark, Sweden, and internationally. It serves building, construction, chemical, machinery, offshore, food, furniture and packaging, public, and visual communication sectors. RIAS A/S was founded in 1959 and is headquartered in Roskilde, Denmark. RIAS A/S is a subsidiary of thyssenkrupp Facilities Services GmbH.