. Today DCI Phone: 319-234-1075. Industries specializes in low- to high-volume subcontract manufacturing of machined castings for the agricultural and construction equipment industry. DC Industries, Inc.us DCI Industries is designed to conform to the QS9000 standard. 1 paid personal day. DCI industries will never let our customer run out of acceptable material that we are responsible for supplying” The quality system at DCI us DCI 1 paid personal day. Industries our goal is to be the best machining and stress-relieving contractor in the world as measured by associates, customers, owners, and suppliers by providing state-of-the-art machining equipment and. Today DCI Phone: 319-234-1075.