71.12.Z - Engineering activities and related technical consultancy
                                    
                                            
                                        43.13.Z - Test drilling and boring
                                    
                                            
                                        77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified
                                    
                                            
                                        68.32.Z - Management of real estate on a fee or contract basis
                                    
                                            
                                        68.31.Z - Real estate agencies
                                    
                                            
                                        68.20.Z - Rental and operating of own or leased real estate
                                    
                                            
                                        68.10.Z - Buying and selling of own real estate
                                    
                                            
                                        43.99.Z - Other specialised construction activities not elsewhere classified
                                    
                                            
                                        43.91.Z - Roofing activities
                                    
                                            
                                        43.39.Z - Other building completion and finishing
                                    
                                            
                                        43.34.Z - Painting and glazing
                                    
                                            
                                        43.33.Z - Floor and wall covering
                                    
                                            
                                        43.32.Z - Joinery installation
                                    
                                            
                                        43.31.Z - Plastering
                                    
                                            
                                        43.29.Z - Other construction installation
                                    
                                            
                                        43.22.Z - Plumbing, heat and air-conditioning installation
                                    
                                            
                                        43.21.Z - Electrical installation
                                    
                                            
                                        35.11.Z - Production of electricity
                                    
                                            
                                        43.12.Z - Site preparation
                                    
                                            
                                        43.11.Z - Demolition
                                    
                                            
                                        42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
                                    
                                            
                                        42.91.Z - Works related to construction of water projects
                                    
                                            
                                        42.22.Z - Works related to construction of telecommunications and electricity lines
                                    
                                            
                                        42.21.Z - Works related to construction of transmission pipelines and distribution networks
                                    
                                            
                                        42.13.Z - Works related to construction of bridges and tunnels
                                    
                                            
                                        42.12.Z - Works related to construction of railways and underground railways
                                    
                                            
                                        42.11.Z - Works related to construction of roads and motorways
                                    
                                            
                                        41.20.Z - Building works related to erection of residential and non-residential buildings
                                    
                                            
                                        41.10.Z - Realization of building projects related to erection of buildings
                                    
                                            
                                        35.14.Z - Trade of electricity
                                    
                                            
                                        35.13.Z - Distribution of electricity
                                    
                                            
                                        35.12.Z - Transmission of electricity