EX-21 3 atro-20231231xex21.htm EX-21
EXHIBIT 21
ASTRONICS CORPORATION
SUBSIDIARIES OF THE REGISTRANT

Subsidiary | Ownership Percentage | State (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
Astronics Advanced Electronic Systems Corp. | 100% | Washington, USA
Luminescent Systems 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
Astronics Connectivity Systems & 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, USA
Diagnosys (Customer Support) Inc. | 100% | Florida, USA
Diagnosys Systems, Inc. | 100% | Delaware, USA
Diagnosys Ferndown Limited | 100% | England
Diagnosys GmbH | 100% | Germany
Diagnosys Electronics (I) Private Limited | 100% | India
Astronics Connectivity Systems & Certification Ukraine | 100% | Ukraine
Huizhou Telefonix Technology Co., Ltd. | 100% | China
Alliance Technology HK Limited | 100% | Hong Kong