Family of Companies

A.Y. McDonald is built on a foundation of customer service, quality, and innovation. With six companies – A.Y. McDonald Mfg. Co., Cambridge Brass, Chicago Fittings, McDonald Plastic Molding, Val-Matic, and JCM Industries – working together under the same trusted family culture, we provide industry-leading solutions across multiple industries, ensuring that every product and service upholds our long-standing reputation.