Milwaukee Valve has been an important supplier of valves to the U.S. Navy. These valves, by the thousands, are on every U.S. aircraft carrier, battleship, submarine, frigate and support ship in service today. Milwaukee Valve operates a state-of-the-art bronze foundry and manufacturing operation in Prairie du Sac, WI. The foundry features the most advanced technology available, which is required to pour five different bronze alloys and Monel. The metallurgical skills necessary for these various materials are unique to Milwaukee Valve, affording U.S. Navy and commercial and industrial customers with expertise and experience not readily available elsewhere.