Exhibit (21) State or Other Jurisdiction Under the Laws Subsidiaries of Owens-Corning of Fiberglas Corporation (1/31/95) Which Organized Barbcorp, Inc. Delaware Dansk-Svensk Glasfiber A/S Denmark Deutsche Owens-Corning Glasswool GmbH Germany Eric Company Delaware European Owens-Corning Fiberglas S.A. Belgium Fiberglas Comercial Exportadora Brazil e Importadora Ltda. IPM Inc. Delaware Kitsons Insulation Products Ltd. United Kingdom Matcorp, Inc. Delaware N. V. Owens-Corning S.A. Belgium O/C/FIRST CORPORATION Ohio OCFOGO, Inc. Delaware O.C. Funding B.V. The Netherlands O/C/SECOND CORPORATION Delaware OC Utah Four Corporation Utah Owens-Corning A/S Norway Owens-Corning Building Products (U.K.) Ltd. United Kingdom Owens-Corning Canada Inc. Canada Owens-Corning Cayman Limited Cayman Islands Owens-Corning Changchun Guan Dao Company Ltd. PRC China Owens-Corning Fiberglas A.S. Limitada Brazil Owens-Corning Fiberglas Deutschland GmbH Germany Owens-Corning Fiberglas Espana, S.A. Spain Owens-Corning Fiberglas France S.A. France Owens-Corning Fiberglas (G.B.) Ltd. United Kingdom Owens-Corning Fiberglas (Italy) S.r.l. Italy Owens-Corning Fiberglas Norway A/S Norway Owens-Corning Fiberglas S.A. Uruguay Owens-Corning Fiberglas Sweden AB Sweden Owens-Corning Fiberglas Sweden Inc. Delaware Owens-Corning Fiberglas Technology Inc. Illinois Owens-Corning Fiberglas (U.K.) Ltd. United Kingdom Owens-Corning Finance (U.K.) plc United Kingdom Owens-Corning FSC, Inc. Barbados Owens-Corning Funding Corporation Delaware Owens-Corning (Guangzhou) Fiberglas Co. Ltd. PRC China Owens-Corning Holdings Limited Cayman Islands Owens-Corning Isolation France S.A. France Owens-Corning Ontario Holdings Inc. Canada Owens-Corning Overseas Holdings, Inc. Delaware Owens-Corning (Overseas) Management Limited Cyprus Owens-Corning Real Estate Corporation Ohio Owens-Corning Trading, Ltd. British Virgin Islands Owens-Corning Veil Netherlands B.V. The Netherlands Owens-Corning Veil U.K. Ltd. United Kingdom Owens-Corning Vertriebs GmbH Germany Palmetto Products, Inc. Delaware Scanglas Ltd. United Kingdom /TABLE Exhibit (21) State or Other Jurisdiction Subsidiaries of Owens-Corning Under the Laws of Fiberglas Corporation (1/31/95) Which Organized THB Development Inc. Delaware UC Industries, Inc. Delaware Western Fiberglass, Inc. Utah Western Fiberglass of Arizona Utah Western Fiberglass of Texas, Inc. Utah Willcorp, Inc. Delaware Wrexham A.R. Glass Ltd. United Kingdom