Exhibit 21 Subsidiaries of the Registrant The following are subsidiaries of Crompton & Knowles Corporation: Name Place of Organization CK Holding Corporation Delaware Crompton & Knowles Overseas Corporation Delaware Crompton & Knowles Canada Limited Canada Crompton & Knowles Europe S.A. Belgium Crompton & Knowles (France) S.A. France Crompton & Knowles (Hong Kong) Ltd. Hong Kong Crompton & Knowles (Korea) Ltd. Korea Davis-Standard Corporation Delaware Davis-Standard (France) SARL France Crompton & Knowles Colors Incorporated Delaware ER-WE-PA Davis-Standard GmbH Germany Ingredient Technology Corporation Delaware Grandma Food Products, Ltd. Canada Killion Extruders, Inc. New Jersey Uniroyal Chemical Corporation Delaware Uniroyal Chemical Company, Inc. New Jersey Lokar Enterprises, Inc. Delaware Uniroyal Chemical Company Limited Scotland Naugatuck Treatment Company Connecticut Uniroyal Chemical Limited Bahamas/Delaware Interbel Trading, Inc. Florida Uniroyal Chemical Investments Ltd. Canada Gustafson, Inc. Minnesota Uniroyal Chemical International Company Texas Uniroyal Chemical Brazil Holding, Inc. Delaware Uniroyal Quimica Sociedad Anonima Comerciale Argentina Industrial Gustafson International Company Texas Uniroyal Chemical S.A.R.L Switzerland Uniroyal Chemical S.A. Spain Uniroyal Chemical (Proprietary) Limited South Africa Uniroyal Chemical Taiwan Ltd Taiwan Uniroyal Chemical Pty. Ltd. Australia Unicorb Limited England Uniroyal Chemical Export Limited Delaware Uniroyal Chemical Leasing Company, Inc. Delaware Industrias Gustafson S.A. de C.V. Mexico (Continued) The following are subsidiaries of Crompton & Knowles Corporation: Name Place of Organization Uniroyal Chemical Ltd/Ltee Canada Uniroyal Chemical Asia, Ltd. Delaware Trace Chemicals Inc. Nevada Uniroyal Chemical Technology B.V. The Netherlands Hannaford Seedmaster Services (Australia) Australia Pty. Ltd. Uniroyal Chemical International Sales Barbados Corporation Novaquim Holdings S.A. de C.V. Mexico Hancock Tire Company Limited Canada Uniroyal Chemical Partipacoes Ltda. Brazil Uniroyal Chemical Holdings B.V. The Netherlands Novaquim S.A. de C.V. Mexico Uniroyal Quimica S.A. Brazil Uniroyal Chimica S.p.A Italy Uniroyal Chemical B.V. The Netherlands Monochem, Inc. Louisiana Rubicon Inc. Louisiana TOA Uni Chemical Manufacturing Ltd. Thailand TOA Uni Chemicals Ltd. Thailand Unikor Chemical Inc. Korea