EXHIBIT 21
                                                                                
                            SIGNIFICANT SUBSIDIARIES
                                        

                                                   State or Country
                                                   of Incorporation
                                                   ----------------
Howmet Corporation                                 Delaware
Howmet Holdings Corporation                        Delaware
Howmet Cercast (Canada), Inc.                      Canada
Howmet Cercast (U.S.A.), Inc.                      Delaware
Howmet Ltd.                                        United Kingdom               
Howmet Refurbishment Inc.                          Delaware
Howmet S.A.                                        France
Howmet Tempcraft, Inc.                             Ohio