1 EXHIBIT 21 SUBSIDIARIES OF THE COMPANY NAME JURISDICTION OF INCORPORATION - ----------------------------- ----------------------------- Acumedia Manufacturers, Inc. Maryland Blue Ridge Pharmaceuticals, Inc. Delaware Cardiopet Incorporated Delaware IDEXX Distribution Corporation Delaware IDEXX Europe B.V. The Netherlands IDEXX Food Safety Net Services, Inc. Delaware IDEXX GmbH Germany IDEXX Informatics, Inc. Delaware IDEXX Laboratories B.V. The Netherlands IDEXX Laboratories Canada Corporation Canada IDEXX Laboratories Foreign Sales Corporation U.S. Virgin Islands IDEXX Laboratories Italia S.r.l. Italy IDEXX Laboratories, KK Japan IDEXX Laboratories, Limited England and Wales IDEXX Laboratories (NZ) Limited New Zealand IDEXX Laboratories Pty. Ltd. Australia IDEXX Laboratories, S. de R.L. de C.V. Mexico IDEXX Laboratories, S.L. Spain IDEXX Laboratories (Taiwan) Inc. Taiwan R.O.C. IDEXX Logistique et Scientifique Europe S.A. France IDEXX Management Services Europe S.A. France IDEXX S.A.R.L. France IDEXX Scandinavia A.B. Sweden IDEXX Service, S.A. de C.V. Mexico IDEXX Veterinary Services, Inc. Delaware VetConnect, Inc. Delaware TD Acquisition Corp. Delaware 36