SUBSIDIARIES

Published on March 31, 1999


EXHIBIT 21

SUBSIDIARIES OF THE COMPANY

Name Jurisdiction of Incorporation
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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