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A.Y. McDonald Mfg

A.Y. McDonald Mfg
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Contact Information

Company Name:A.Y. McDonald Mfg
Address: PO Box 508
Dubuque, IA 52004-0508
Phone: 563-583-7311x373
Web Site:


A. Y. McDonald Mfg. Co. is a major manufacturer of water works valves and fittings, high-pressure gas valves, and residential and commercial water pumping systems.  The company is privately owned and has a history of quality products since it’s founding in 1856.

A.Y. McDonald Mfg. Co. is located in the Industrial Park off of the Northwest Arterial. Its north central location provides easy acess to major markets. In fact, the Company sells and distributes its five major product lines nationally and internationally.

"We will make good products and sell them honestly." This statement, made by the Founder Andrew Young McDonald in 1856, has become a corporate philosophy. Today A.Y. McDonald's strength lies in its ability to serve customers. To better serve, McDonald has created an organizational structure and a physical environment that provides for growth and profitabiltiy.

Plant and office environments provide greater product output, more control, modern technology and better internal housekeeping. This enables McDonald to seek new highs in quality and bring new items into production at more competitive prices. Please visit our website