Exhibit 21



VARIAN, INC.



SUBSIDIARIES OF THE REGISTRANT

As of October 3, 2008



|                                                 |  |                                                             
|------------------------------------------------ |  | ------------------------------------------------------------
|Subsidiary                                       |  | State or Other Jurisdiction of Incorporation or Organization
|Magnex Scientific Limited                        |  | United Kingdom                                              
|Oxford Diffraction Limited                       |  | United Kingdom                                              
|Oxford Diffraction Poland Sp.zo.o                |  | Poland                                                      
|Oxford Diffraction Hong Kong Limited             |  | Hong Kong                                                   
|PL International Limited                         |  | United Kingdom                                              
|Polymer Laboratories Limited                     |  | United Kingdom                                              
|Varian AB                                        |  | Sweden                                                      
|Varian A.G.                                      |  | Switzerland                                                 
|Varian Argentina, Ltd.                           |  | Delaware                                                    
|Varian Australia, LLC                            |  | Delaware                                                    
|Varian Australia Pty. Ltd.                       |  | Australia                                                   
|Varian B.V.                                      |  | The Netherlands                                             
|Varian Belgium N.V.                              |  | Belgium                                                     
|Varian Canada Inc.                               |  | Canada                                                      
|Varian Data Systems, S.A.S.                      |  | France                                                      
|Varian Deutschland GmbH                          |  | Germany                                                     
|Varian Holdings (Australia) Pty. Limited         |  | Australia                                                   
|Varian Iberica S.L.                              |  | Spain                                                       
|Varian India Pvt. Ltd.                           |  | Delaware                                                    
|Varian Industria E. Comercio Limitada            |  | Brazil                                                      
|Varian Instruments of Puerto Rico, Inc.          |  | Delaware                                                    
|Varian Limited                                   |  | United Kingdom                                              
|Varian Quebec Inc.                               |  | Canada                                                      
|Varian S.A.                                      |  | France                                                      
|Varian, S. de R.L. de C.V.                       |  | Mexico                                                      
|Varian S.p.A.                                    |  | Italy                                                       
|Varian (Shanghai) International Trading Co. Ltd. |  | China                                                       
|Varian Technologies Asia, Ltd.                   |  | Delaware                                                    
|Varian Technologies China, Ltd.                  |  | Delaware                                                    
|Varian Technologies Japan, Ltd.                  |  | Delaware                                                    
|Varian Technologies Korea, Ltd.                  |  | Korea                                                       
|Varian Technologies Pte. Ltd.                    |  | Singapore                                                   



All of the above
subsidiaries are included in the Companys consolidated financial statements. The names of certain consolidated subsidiaries have been omitted because, considered in the aggregate as a single subsidiary, they would not constitute a significant
subsidiary.