Description:A.Y. McDonald Industries is a family of companies that includes A.Y. McDonald Mfg. Co., Cambridge Brass, Chicago Fittings Corporation, McDonald Plastic Molding, Val-Matic Valve & Mfg. Corp. & JCM Industries. Each subsidiary works to take care of the customer - our boss. The first step in achieving this goal is taking care of our co-workers. To be a member of A...
