If you're a metal producer or a construction company with metal to spare, Harsco is at your service. The company's metals and minerals segment provides mill services at steel factories and offers metal reclamation, slag processing, scrap management, and other services for steel and nonferrous metals producers. The manufacturer's Harsco Industrial makes industrial grating, air-cooled heat exchangers, boilers and water heaters and related products. Another Harsco unit, Harco Rail, makes railway track and other equipment and provides rail maintenance services.