Based in Alton, Ill., D & R offers more than a decade of full-service machining industry experience. Outstanding employees, proven quality and competitive pricing makes D & R an industry leader in rolling mill services. We look forward to solving your most challenging machining needs. Located minutes from St. Louis, Mo., D & R’s 38,000 square foot state-of-the-art facility offers technical expertise in rolling mill services, CNC machining, manual machining, repairing, rebuilding, fabrications, welding, engineering and design providing you the best in machining, fabrication, assembly and delivery.