EXHIBIT 21
Published on February 17, 2012
Exhibit 21
IDEXX LABORATORIES, INC.
SUBSIDIARIES OF THE COMPANY
(as of December 31, 2011)
| Legal Entity Name | Jurisdiction of Incorporation | |
| Beijing IDEXX-Yuanheng Laboratories Co. Ltd. | China | |
| Diavet Labor AG | Switzerland | |
| Genera Technologies Limited | United Kingdom | |
| IDEXX Distribution, Inc. | Massachusetts, U.S. | |
| IDEXX Europe B.V. | The Netherlands | |
| IDEXX GmbH | Germany | |
| IDEXX Holding GmbH | Germany | |
| IDEXX Holdings, Inc. | Delaware, U.S. | |
| IDEXX Laboratories B.V. | The Netherlands | |
| IDEXX Laboratories Canada 1, ULC | Canada (Nova Scotia) | |
| IDEXX Laboratories Canada 2, ULC | Canada (Nova Scotia) | |
| IDEXX Laboratories Canada Corporation | Canada | |
| IDEXX Laboratories Canada LP | Canada (Ontario) | |
| IDEXX Laboratories Inc. | Taiwan R.O.C. | |
| IDEXX Laboratories Italia S.r.l. | Italy | |
| IDEXX Laboratories, KK | Japan | |
| IDEXX Laboratories Limited | United Kingdom | |
| IDEXX Laboratories Ltd. | Korea | |
| IDEXX Laboratories (NZ) Limited | New Zealand | |
| IDEXX Laboratories Oy | Finland | |
| IDEXX Laboratories Pty. Limited | Australia | |
| IDEXX Laboratories (Proprietary) Limited | South Africa | |
| IDEXX Laboratories (Shanghai) Co. Ltd. | China | |
| IDEXX Laboratories, S. de R.L. de C.V. | Mexico | |
| IDEXX Laboratorios, S.L. | Spain | |
| IDEXX Laboratories Sp. z o.o. | Poland | |
| IDEXX Laboratories SPRL | Belgium | |
| IDEXX Montpellier SAS | France | |
| IDEXX Operations, Inc. | Delaware, U.S. | |
| IDEXX Pharmaceuticals, Inc. | Delaware, U.S. | |
| IDEXX Real Estate Holdings, LLC | Maine, U.S. | |
| IDEXX Reference Laboratories, Inc. | Delaware, U.S. | |
| IDEXX Reference Laboratories Ltd. | Canada | |
| IDEXX SARL | France | |
| IDEXX Switzerland AG | Switzerland | |
| IDEXX UK Acquisition Limited | United Kingdom | |
| IDEXX Vet Med Lab ApS | Denmark | |
| IDEXX Vet Med Labor GmbH | Austria | |
| Laboratoire IDEXX SARL | France | |
| OPTI Medical Systems, Inc. | Delaware, U.S. | |
| OPTI Medical Systems GmbH | Germany | |
| Vet Med Lab (UK) Ltd | United Kingdom | |
| Vet Med Labor GmbH | Germany |