EXHIBIT 21.1 Subsidiaries of the Registrant 1. Neenah Foundry Company Neenah Transport, Inc. - wholly owned. Neenah Foreign Sales Corporation - wholly owned. Deeter Foundry, Inc. - wholly owned. Mercer Forge Corporation - wholly owned. A&M Specialties, Inc. Dalton Corporation - wholly owned. Dalton Corporation, Warsaw Manufacturing Facility. Dalton Corporation, Ashland Manufacturing Facility. Dalton Corporation, Kendallville Manufacturing Facility. Dalton Corporation, Stryker Manufacturing Facility. Advanced Cast Products, Inc. - wholly owned. Belcher Corporation. Peerless Corporation. Cast Alloys, Inc. - wholly owned. International Golf, S.A. de, C.V. Gregg Industries, Inc. - wholly owned. 70