| O3 Systems Soil B.V. (F.08/24/103) |  | 
                
                    
                        | O3 Systems Technology B.V. (F.08/24/114) |  | 
                
                    
                        | O3 Systems Water B.V. (F.08/24/101) |  | 
                
                    
                        | Oakland Bay B.V. (F.02/24/82) |  | 
                
                    
                        | Oallery B.V. (F.13/24/406) |  | 
                
                    
                        | OAM Solutions B.V. (F.09/25/291) | OAM Networks,OAM Telecom,OAM Personeelsd.. | 
                
                    
                        | Oasis Europe B.V. (F.16/23/437) | M2 Red Beech Participations | 
                
                    
                        | Oasis Holding B.V. (F.16/24/103) |  | 
                
                    
                        | Oasis Netherlands B.V. (F.16/24/18) | Leisure United Netherlands | 
                
                    
                        | Oasis Punt-West Beheer B.V. (F.16/23/438) | Brasserie Zeven,Punt West exploitatie | 
                
                    
                        | OBTRASEC B.V. in liquidatie (F.01/24/215) |  | 
                
                    
                        | OC Group B.V. (F.03/24/103) | OC Group,OCG Leasing,Online Car Group | 
                
                    
                        | OCA Backoffice B.V. (F.13/22/99) |  | 
                
                    
                        | OCA Facility B.V. (F.13/22/97) |  | 
                
                    
                        | OCA Nieuwegein B.V. (F.13/23/52) | Preventiecentrum Nieuwegein | 
                
                    
                        | OCA Physicians B.V. (F.13/22/98) |  |