Leading producer of water and gas distribution products!
A.Y. McDonald Mfg. Co. is a leading manufacturer of water works brass, plumbing valves, pumps and water systems, and high pressure gas valves and meter bars. The company has distinguished itself with a proud tradition of quality and reliability since the year 1856. Our corporate headquarters, brass foundry, and main manufacturing plant are located in Dubuque, IA. We also have locations in Albia, IA, Elizabethton, TN, and Sparks, NV.