EXHIBIT 21
COGNEX CORPORATION
SUBSIDIARIES OF THE REGISTRANT
At December 31, 2006, the registrant had the following subsidiaries, the
financial statements of which are all included in the consolidated financial
statements of the registrant:
NAME OF SUBSIDIARY STATE/COUNTRY OF INCORPORATION PERCENT OWNERSHIP
------------------ ------------------------------ -----------------
Cognex Technology and Investment
Corporation California 100%
Cognex Canada Technology, Inc. California 100%
Cognex Foreign Sales Corporation Barbados 100%
Cognex Distribution Corporation Georgia 100%
AssistWare Technology, Inc. Pennsylvania 100%
Vision Drive, Inc. Delaware 100%
Cognex Canada, Inc. Delaware 100%
Cognex K.K. Japan 100%
Cognex International, Inc. Delaware 100%
Cognex Europe, Inc. Delaware 100%
Cognex Europe, b.v. Netherlands 100%
Cognex, Ltd. Ireland 100%
Cognex Germany, Inc. Massachusetts 100%
Cognex UK Ltd. United Kingdom 100%
Cognex Finland Oy Finland 100%
Cognex Singapore, Inc. Delaware 100%
Cognex Korea, Inc. Delaware 100%
Cognex Taiwan, Inc. Delaware 100%
Cognex Asia, Inc.
(formerly Cognex China, Inc.) Delaware 100%