A.Y. McDonald Industries, Inc.

A.Y. McDonald Industries is a U.S. manufacturer of products for waterworks, natural gas distribution, and plumbing systems. Its offerings include fittings, valves, service components, regulators, and related equipment. The company also provides customer and product support, technical resources, and online learning materials. A.Y. McDonald highlights U.S.-manufactured products and references Build America, Buy America requirements; purchasers should verify eligibility for individual products.