Howmet Aerospace Tempcraft, 1500 Warner St, Whitehall, MI 49461, US

Harbor Steel & Supply Corporation, headquartered in Muskegon, Mich., is a company that is a distributor of ferrous and nonferrous metals for a range of industries. The company offers an extensive inventory of bars, structurals, sheets, plates and tubing to meet the needs of projects of clients. It has more than 250 classifications of metal in nearly 28,000 sizes, including hot-rolled, cold-finished, stainless, aluminum, alloy and galvanized. The company is ISO 9002-certified and operates six plants with a staff of more than 150 employees. Harbor Steel & Supply Corporation was incorporated in 1952, and it serves its clients in Michigan, Ohio, Kentucky and West Virginia.