Exhibit 21.1

Subsidiaries of Bruker Corporation

|Name of Subsidiary                             |  | Jurisdiction of Incorporation
|---------------------------------------------- |  | -----------------------------
|Bruker AXS Inc.                                |  | Delaware, USA                
|Bruker Daltonics Inc.                          |  | Delaware, USA                
|Bruker Optics Inc.                             |  | Delaware, USA                
|Bruker BioSciences Security Corp.              |  | Massachusetts, USA           
|Bruker AXS GmbH(1)                             |  | Germany                      
|Bruker AXS B.V.(2)                             |  | The Netherlands              
|Bruker AXS K.K.(2)                             |  | Japan                        
|KeyMaster Technologies(2)                      |  | Delaware, USA                
|Bruker Austria GmbH(3)                         |  | Austria                      
|Bruker AXS Analytical Instruments Pvt. Ltd.(3) |  | India                        
|Bruker AXS Ltd.(3)                             |  | United Kingdom               
|Bruker AXS Microanalysis GmbH(3)               |  | Germany                      
|Bruker AXS Nordic AB(3)                        |  | Sweden                       
|Bruker AXS Pte Ltd(3)                          |  | Singapore                    
|Bruker AXS S.r.l.(3)                           |  | Italy                        
|Bruker AXS SAS(3)                              |  | France                       
|Bruker do Brasil Ltda.(3)                      |  | Brazil                       
|Bruker Mexicana S.A. de C.V.(3)                |  | Mexico                       
|Bruker Polska Sp. Z o.o.(3)                    |  | Poland                       
|Bruker Quantron GmbH(3)                        |  | Germany                      
|Bruker South Africa (Pty) Ltd.(3)              |  | South Africa                 
|Bruker Baltic Ltd.(4)                          |  | Latvia                       
|InCoaTec GmbH(5)                               |  | Germany                      
|Spectral Solutions AB(6)                       |  | Sweden                       
|Bruker Daltonik GmbH(7)                        |  | Germany                      
|Bruker BioSciences Espanola S.A.(8)            |  | Spain                        
|Bruker BioSciences Korea Co., Ltd.(8)          |  | South Korea                  
|Bruker BioSciences Pty. Ltd.(8)                |  | Australia                    
|Bruker BioSciences Taiwan Co. Ltd.(8)          |  | Taiwan                       
|Bruker Daltonics B.V.(8)                       |  | The Netherlands              
|Bruker Daltonics GmbH(8)                       |  | Switzerland                  
|Bruker Daltonics K.K.(8)                       |  | Japan                        
|Bruker Daltonics LTD(8)                        |  | Canada                       
|Bruker Daltonics Ltd.(8)                       |  | United Kingdom               
|Bruker Daltonics NBC Detection Corp.(8)        |  | Massachusetts, USA           
|Bruker Daltonics Pte Ltd(8)                    |  | Singapore                    
|Bruker Daltonics S.r.l.(8)                     |  | Italy                        
|Bruker Daltonics Scandinavia AB(8)             |  | Sweden                       
|Bruker Daltonics South Africa(8)               |  | South Africa                 
|Bruker Daltonics SPRL/BVBA(8)                  |  | Belgium                      
|Bruker Daltonique S.A.(8)                      |  | France                       
|Bruker Optik GmbH(9)                           |  | Germany                      
|Bruker Optics GmbH(9)                          |  | Switzerland                  
|Bruker Optics K.K.(9)                          |  | Japan                        
|Bruker Optics Ltd.(9)                          |  | Canada                       
|Bruker Optics Ltd.(9)                          |  | United Kingdom               
|Bruker Instruments Ltd.(10)                    |  | China                        
|Bruker Optics AB(10)                           |  | Sweden                       
|Bruker Optics B.V.(10)                         |  | The Netherlands              
|Bruker Optics S.r.l.(10)                       |  | Italy                        
|Bruker Optics Ukraine(10)                      |  | Ukraine                      
|Bruker Optik Asia Pacific Limited(10)          |  | Hong Kong                    
|Bruker Optique SA(10)                          |  | France                       
|Bruker Optics Korea(11)                        |  | South Korea                  
|Bruker Optics Taiwan Ltd.(12)                  |  | Taiwan                       
|Bruker Optik Southeast Asia Pte Ltd(12)        |  | Singapore                    
|Interspectra OU(13)                            |  | Estonia                      

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