43.39.Z - Other building completion and finishing
                                    
                                            
                                        41.10.Z - Realization of building projects related to erection of buildings
                                    
                                            
                                        41.20.Z - Building works related to erection of residential and non-residential buildings
                                    
                                            
                                        42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
                                    
                                            
                                        43.11.Z - Demolition
                                    
                                            
                                        43.12.Z - Site preparation
                                    
                                            
                                        43.13.Z - Test drilling and boring
                                    
                                            
                                        43.21.Z - Electrical installation
                                    
                                            
                                        43.22.Z - Plumbing, heat and air-conditioning installation
                                    
                                            
                                        43.29.Z - Other construction installation
                                    
                                            
                                        43.91.Z - Roofing activities
                                    
                                            
                                        43.99.Z - Other specialised construction activities not elsewhere classified
                                    
                                            
                                        47.91.Z - Retail sale via mail order houses or via internet
                                    
                                            
                                        71.11.Z - Architectural activities
                                    
                                            
                                        71.12.Z - Engineering activities and related technical consultancy
                                    
                                            
                                        71.20.B - Other technical testing and analysis