A.Y. McDonald Mfg. Co. is a leading manufacturer of water works brass, plumbing valves, pumps and water systems, and natural gas valves and meter bars. The company was founded in 1856 and is committed to taking care of the customer - our boss, through our growing investments of education, automation, and innovation. A career at A.Y. McDonald Mfg. Co. comes with a family friendly culture, on-the-job training, advancement opportunities, and the cha...
