A.Y. McDonald Mfg. Co.

A.Y. McDonald Mfg. Co.

PO Box 508 Dubuque, IA 52004-0508

AboutA.Y. McDonald Mfg. Co.

A.Y. McDonald Mfg. Co. is a leading manufacturer of water works, plumbing, pumps, and natural gas products. The company has distinguished itself with exceptional customer service and 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 Reno, NV.

Our customers choose A.Y. McDonald Mfg. Co. over our competition because:

  • The customer is ‘the boss’ and every effort is exerted to exceed expectations
  • Customer service is the number one priority
  • Customers find quality products linked with outstanding people


The mission of A.Y. McDonald Mfg. Co., in the words of our founder, is “to make good products and sell them honestly.” We, the stockholders and employees, accomplish this by extending the McDonald family culture through excellent customer service and by focusing on our customers’ needs.


To be the leading producer of water and gas distribution products to benefit the current and next generation of employees, customers, and stockholders by continually growing and strengthening our business.


We believe in:

  • Making good products and selling them honestly
  • The Customer is the boss
  • Employees are part of the A.Y. McDonald family
  • None of us is as smart as all of us
  • Leaving the Company in better shape than it was received