AY McDonald


A.Y. McDonald Mfg. Co. is a leading manufacturer of Waterworks 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 its founding in 1856.


Latest News - Latest News

Freight Policy Change Letter 4/30/14 - Click here for letter
High Pressure Gas Letter 7/1/14 - Click here for letter

Welcome to A. Y. McDonald Mfg. Co.

A.Y. McDonald Mfg. Co. has a long tradition of trusted quality and dependable service. All employees strive to meet and exceed this reputation every day.

Our Vision
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 a 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.

It is a goal of this website to provide information to make your buying decisions easier. For your convenience, we are extending to you some frequently requested information. We welcome your suggestions and feedback. If there is something else you would like to have access to online, contact us.


A.Y. McDonald History

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