Exhibit 21.0

Subsidiaries of FLIR Systems, Inc.

• FLIR Systems Ltd., a United Kingdom Corporation

• FLIR Systems CV, a Netherlands Corporation

• FLIR Systems Ltd., an Ontario Corporation

• FLIR Commercial Systems, Inc., a California, USA Corporation

• FSI Holdings, Inc., an Oregon, USA Corporation

• FLIR Systems Aviation, LLC,  an Oregon, USA Limited Liability Company

• FLIR Government Systems, Inc., a Delaware, USA Corporation