42.11.Z - Works related to construction of roads and motorways
                                    
                                            
                                        08.11.Z - Quarrying of ornamental and building stone, limestone, gypsum, chalk and slate
                                    
                                            
                                        08.12.Z - Operation of gravel and sand pits; mining of clays and kaolin
                                    
                                            
                                        08.91.Z - Mining of minerals for chemical industry and for production of fertilizers
                                    
                                            
                                        09.10.Z - Support activities for petroleum and natural gas extraction
                                    
                                            
                                        09.90.Z - Support activities for other mining and quarrying
                                    
                                            
                                        41.10.Z - Realization of building projects related to erection of buildings
                                    
                                            
                                        42.21.Z - Works related to construction of transmission pipelines and distribution networks
                                    
                                            
                                        42.91.Z - Works related to construction of water projects
                                    
                                            
                                        43.11.Z - Demolition
                                    
                                            
                                        43.12.Z - Site preparation
                                    
                                            
                                        43.99.Z - Other specialised construction activities not elsewhere classified
                                    
                                            
                                        46.73.Z - Wholesale of wood, construction materials and sanitary equipment
                                    
                                            
                                        47.52.Z - Retail sale of hardware, paints and glass in specialised stores