Exhibit 21

IDEXX LABORATORIES, INC.
SUBSIDIARIES OF THE REGISTRANT
Legal Entity Name			Jurisdiction of Incorporation or Formation
342 Saco Street, LLC			Maine
Beijing IDEXX Laboratories Co. Limited			China
IDEXX Animana B.V.			Netherlands
IDEXX Brasil Laboratórios Ltda.			Brazil
IDEXX Brasil Participações Ltda.			Brazil
IDEXX Canada Holdings Corp.			Delaware
IDEXX Diagnostic Limited			Ireland
IDEXX Diavet AG			Schwyz
IDEXX Distribution, Inc.			Massachusetts
IDEXX GmbH			Germany
IDEXX B.V.			Netherlands
IDEXX Holding GmbH			Germany
IDEXX Holdings GmbH			Zug
IDEXX Holdings II GmbH			Zug
IDEXX Holdings, Inc.			Delaware
IDEXX Laboratories II (NZ) ULC			New Zealand
IDEXX Laboratories (Proprietary) Limited			South Africa
IDEXX Laboratories (Shanghai) Company Limited			China
IDEXX Laboratories B.V.			Netherlands
IDEXX Laboratories Canada Corporation			Nova Scotia
IDEXX Laboratories Canada 1, ULC			Nova Scotia
IDEXX Laboratories Co., Ltd.			Thailand
IDEXX Laboratories Danmark ApS			Denmark
IDEXX Laboratories GmbH			Zug
IDEXX Laboratories Hong Kong Limited			Hong Kong
IDEXX Laboratories Inc.			Taiwan Province of China
IDEXX Laboratories Italia S.r.l.			Italy
IDEXX Laboratories, KK			Japan
IDEXX Laboratories Limited			England & Wales
IDEXX Laboratories Ltd.			Korea, Republic of
IDEXX Laboratories Norge AS			Norway
IDEXX Laboratories Oy			Finland
IDEXX Laboratories Philippines, Inc.			Philippines

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IDEXX Laboratories Private Limited			India
IDEXX Laboratories Pty Limited			New South Wales
IDEXX Laboratories Singapore Pte. Ltd.			Singapore
IDEXX Laboratories Sp. z o.o.			Poland
IDEXX Laboratories SRL			Belgium
IDEXX Laboratories Sverige AB			Sweden
IDEXX Laboratories, S.de R.L. de C.V.			Mexico
IDEXX Laboratories s.r.o.			Czech Republic
IDEXX Laboratories Slovakia s.r.o.			Slovak Republic
IDEXXLAB, Unipessoal Lda.			Portugal
IDEXX Laboratorios, S.L.			Spain
IDEXX Montpellier SAS			France
IDEXX Operations, Inc.			Delaware
IDEXX Pharmaceuticals, LLC			Delaware
IDEXX Real Estate Holdings GmbH			Germany
IDEXX Real Estate Holdings, LLC			Maine
IDEXX SARL			France
IDEXX Switzerland GmbH			Bern/Berne
IDEXX Technologies GmbH			Bern/Berne
IDEXX Technologies Limited			England & Wales
IDEXX UK Acquisition Limited			England & Wales
IDEXX Vet Med Labor GmbH			Austria
Laboratoire IDEXX SARL			France
labor-zentral.ch AG für veterinärmedizinische Diagnostik			Lucerne
OPTI Medical Systems, Inc.			Delaware
Vet Med Labor GmbH			Germany