. . . EXHIBIT 21 Subsidiary Jurisdiction of Organization - ---------- ---------------------------- Gregg Industries, Inc. California Cast Alloys, Inc. California Advanced Cast Products, Inc. Delaware Mercer Forge Corporation Delaware Dalton Corporation Indiana Dalton Corporation, Warsaw, Indiana Manufacturing Facility Dalton Corporation, Kendallville, Indiana Manufacturing Facility Deeter Foundry, Inc. Nebraska Dalton Corporation, Stryker Machining Facility Co. Ohio Dalton Corporation, Ashland Manufacturing Facility Ohio A&M Specialties, Inc. Pennsylvania Neenah Transport, Inc Wisconsin 92