EXHIBIT 21

ASTRONICS CORPORATION

SUBSIDIARIES OF THE REGISTRANT

SubsidiaryOwnership PercentageState (Province), Country of Incorporation
Astronics Test Systems, Inc. 100%Delaware, USA
Astronics DME LLC 100%Florida, USA
Astronics AeroSat Corporation 100%New Hampshire, USA
Luminescent Systems, Inc. 100%New York, USA
Astronics Air, LLC 100%New York, USA
Peco, Inc. 100%Oregon, USA
Ballard Technology, Inc. 100%Washington, USA
Astronics Advanced Electronic Systems Corp. 100%Washington, USA
LSI - Europe B.V.B.A. 100%Belgium
Luminescent Systems Canada, Inc. 100%Quebec, Canada
PGA Electronic s.a. 100%France
Astronics France 100%France
Astronics Air II LLC 100%New Hampshire, USA
Armstrong Aerospace, Inc. 100%Illinois, USA
Astronics Custom Controls Concepts Inc.100%Washington, USA
Astronics Connectivity Systems and Certification Corp.100%Illinois, USA
Freedom Communication Technologies, Inc.100%Delaware, USA
Diagnosys Holdings Inc. 100%Delaware, USA
Diagnosys Inc.100%Delaware, USA
Diagnosys (Pinpoint) Inc.100%Florida
Diagnosys (Customer Support) Inc.100%Florida
Diagnosys Systems, Inc. 100%Delaware
Diagnosys Ferndown Limited100%England
Diagnosys GmbH100%Germany
Diagnosys Electronics (I) Private Limited 100%India
Astronics Connectivity Systems & Certification Ukraine100%Ukraine
Huizhou Telefonix Co., Ltd.100%China
Alliance Technology HK Limited100%Hong Kong