| 48 | 
                    Sri Lanka | 
                    Academia | 
                    Ministry of Power, Energy and Business Development | 
                    
                                             | 
                
                            
                    | 47 | 
                    Sri Lanka | 
                    Regulatory body | 
                    Sri Lanka Atomic Energy Regulatory Council(SLAERC) | 
                    
                                             | 
                
                            
                    | 46 | 
                    Sri Lanka | 
                    Research | 
                    Sri Lanka Atomic Energy Board (SLAEB) | 
                    
                                             | 
                
                            
                    | 45 | 
                    Sri Lanka | 
                    Academia | 
                    SLAEB - National Centre for Non-Destructive Testing | 
                    
                                             | 
                
                            
                    | 44 | 
                    Sri Lanka | 
                    Academia | 
                    SLAEB - Sri Lanka Gamma Centre | 
                    
                                             | 
                
                            
                    | 43 | 
                    Sri Lanka | 
                    Academia | 
                    Ministry of Science, Technology and Research - National Institute of Fundamental Studies (NIFS) | 
                    
                                             | 
                
                            
                    | 42 | 
                    Sri Lanka | 
                    Academia | 
                    Nuclear Medicine Unit, Faculty of Medicine University of Peradeniya, Sri Lanka | 
                    
                                             | 
                
                            
                    | 41 | 
                    Sri Lanka | 
                    Academia | 
                    Ministry of Health, Nutrition and Indigenous Medicine | 
                    
                                             | 
                
                            
                    | 40 | 
                    Sri Lanka | 
                    Academia | 
                    International Health Unit | 
                    
                                             | 
                
                            
                    | 39 | 
                    Sri Lanka | 
                    Academia | 
                    National Cancer Institute/Apeksha Hospital - Maharagama | 
                    
                                             |