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
                                    
                                            
                                        42.11.Z - Construction of roads and motorways
                                    
                                            
                                        43.11.Z - Demolition
                                    
                                            
                                        43.12.Z - Site preparation
                                    
                                            
                                        43.21.Z - Electrical installation
                                    
                                            
                                        43.22.Z - Plumbing, heat and air-conditioning installation
                                    
                                            
                                        43.29.Z - Other construction installation
                                    
                                            
                                        43.31.Z - Plastering
                                    
                                            
                                        43.32.Z - Joinery installation
                                    
                                            
                                        43.33.Z - Floor and wall covering
                                    
                                            
                                        43.34.Z - Painting and glazing
                                    
                                            
                                        43.39.Z - Other building completion and finishing
                                    
                                            
                                        43.91.Z - Masonry and bricklaying activities
                                    
                                            
                                        43.99.Z - Other specialised construction activities n.e.c.
                                    
                                            
                                        68.10.Z - Buying and selling of own real estate
                                    
                                            
                                        68.20.Z - Rental and operating of own or leased real estate
                                    
                                            
                                        77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
                                    
                                            
                                        81.10.Z - Combined facilities support activities
                                    
                                            
                                        81.21.Z - General cleaning of buildings
                                    
                                            
                                        81.29.Z - Other cleaning activities
                                    
                                            
                                        81.30.Z - Landscape service activities