1 EXHIBIT 21 NEWCOR, INC. Exhibit 21 to Report on Form S-4 List of Subsidiaries of the Registrant Jurisdiction Percentage of of Outstanding Securities Name of Subsidiary Incorporation Owned by Parent ENC Corp. Michigan 100% Newcor Foreign Sales Corporation Michigan 100% Newcor M-T-L, Inc. Michigan 100% Plastronics Plus, Inc. Wisconsin 100% Rochester Gear, Inc. Michigan 100% Deco International, Inc. Michigan 100% Deco Technologies, Inc. Michigan 100% Grand Machining Company Michigan 100% Turn-Matic, Inc. Michigan 100%