A.Y. McDonald Mfg. Co.

A.Y. McDonald Mfg. Co. is a manufacturer of waterworks, plumbing, and natural-gas products, including water and gas distribution products. The family-owned company operates its headquarters, brass foundry, and main manufacturing plant in Dubuque, Iowa, with additional locations in Albia, Iowa, and Elizabethton, Tennessee. It centers its mission on making good products and selling them honestly, and aims to lead in water and natural-gas distribution products through quality and customer service.