| 45232000 | Ancillary works for pipelines and cables | Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork | 
                                    
                                        
                                            | 71200000 | Architectural and related services | Architectural, construction, engineering and inspection services | 
                                    
                                        
                                            | 71000000 | Architectural, construction, engineering and inspection services | Construction and Real Estate | 
                                    
                                        
                                            | 45211310 | Bathrooms construction work | Construction work for multi-dwelling buildings and individual houses | 
                                    
                                        
                                            | 45400000 | Building completion work | Construction work | 
                                    
                                        
                                            | 45210000 | Building construction work | Works for complete or part construction and civil engineering work | 
                                    
                                        
                                            | 45110000 | Building demolition and wrecking work and earthmoving work | Site preparation work | 
                                    
                                        
                                            | 45300000 | Building installation work | Construction work | 
                                    
                                        
                                            | 45262650 | Cladding works | Special trade construction works other than roof works | 
                                    
                                        
                                            | 71540000 | Construction management services | Construction-related services | 
                                    
                                        
                                            | 71541000 | Construction project management services | Construction management services | 
                                    
                                        
                                            | 71520000 | Construction supervision services | Construction-related services | 
                                    
                                        
                                            | 45000000 | Construction work | Construction and Real Estate | 
                                    
                                        
                                            | 45212300 | Construction work for art and cultural buildings | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45214000 | Construction work for buildings relating to education and research | Building construction work | 
                                    
                                        
                                            | 45215100 | Construction work for buildings relating to health | Construction work for buildings relating to health and social services, for crematoriums and public conveniences | 
                                    
                                        
                                            | 45215000 | Construction work for buildings relating to health and social services, for crematoriums and public conveniences | Building construction work | 
                                    
                                        
                                            | 45216000 | Construction work for buildings relating to law and order or emergency services and for military buildings | Defence and security | 
                                    
                                        
                                            | 45212000 | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | Building construction work | 
                                    
                                        
                                            | 45213000 | Construction work for commercial buildings, warehouses and industrial buildings, buildings relating to transport | Building construction work | 
                                    
                                        
                                            | 45211100 | Construction work for houses | Construction work for multi-dwelling buildings and individual houses | 
                                    
                                        
                                            | 45211000 | Construction work for multi-dwelling buildings and individual houses | Building construction work | 
                                    
                                        
                                            | 45214200 | Construction work for school buildings | Construction work for buildings relating to education and research | 
                                    
                                        
                                            | 45212200 | Construction work for sports facilities | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45212100 | Construction work of leisure facilities | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 71500000 | Construction-related services | Architectural, construction, engineering and inspection services | 
                                    
                                        
                                            | 71521000 | Construction-site supervision services | Construction supervision services | 
                                    
                                        
                                            | 70112000 | Development of non-residential real estate | Development services of real estate | 
                                    
                                        
                                            | 70111000 | Development of residential real estate | Development services of real estate | 
                                    
                                        
                                            | 70110000 | Development services of real estate | Real estate services with own property | 
                                    
                                        
                                            | 45310000 | Electrical installation work | Building installation work | 
                                    
                                        
                                            | 71300000 | Engineering services | Architectural, construction, engineering and inspection services | 
                                    
                                        
                                            | 45220000 | Engineering works and construction works | Works for complete or part construction and civil engineering work | 
                                    
                                        
                                            | 45212170 | Entertainment building construction work | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45261000 | Erection and related works of roof frames and coverings | Roof works and other special trade construction works | 
                                    
                                        
                                            | 45340000 | Fencing, railing and safety equipment installation work | Building installation work | 
                                    
                                        
                                            | 45211341 | Flats construction work | Construction work for multi-dwelling buildings and individual houses | 
                                    
                                        
                                            | 45430000 | Floor and wall covering work | Building completion work | 
                                    
                                        
                                            | 45212222 | Gymnasium construction work | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45211300 | Houses construction work | Construction work for multi-dwelling buildings and individual houses | 
                                    
                                        
                                            | 45212230 | Installation of changing rooms | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45320000 | Insulation work | Building installation work | 
                                    
                                        
                                            | 45420000 | Joinery and carpentry installation work | Building completion work | 
                                    
                                        
                                            | 45212110 | Leisure centre construction work | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45350000 | Mechanical installations | Building installation work | 
                                    
                                        
                                            | 44112000 | Miscellaneous building structures | Construction materials | 
                                    
                                        
                                            | 44211100 | Modular and portable buildings | Prefabricated buildings | 
                                    
                                        
                                            | 45211340 | Multi-dwelling buildings construction work | Construction work for multi-dwelling buildings and individual houses | 
                                    
                                        
                                            | 45211350 | Multi-functional buildings construction work | Construction work for multi-dwelling buildings and individual houses | 
                                    
                                        
                                            | 45450000 | Other building completion work | Building completion work | 
                                    
                                        
                                            | 45453000 | Overhaul and refurbishment work | Other building completion work | 
                                    
                                        
                                            | 45440000 | Painting and glazing work | Building completion work | 
                                    
                                        
                                            | 45410000 | Plastering work | Building completion work | 
                                    
                                        
                                            | 45330000 | Plumbing and sanitary works | Building installation work | 
                                    
                                        
                                            | 45211320 | Porches construction work | Construction work for multi-dwelling buildings and individual houses | 
                                    
                                        
                                            | 45223810 | Prefabricated constructions | Structures construction work | 
                                    
                                        
                                            | 45212140 | Recreation installation | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45262690 | Refurbishment of run-down buildings | Special trade construction works other than roof works | 
                                    
                                        
                                            | 45453100 | Refurbishment work | Overhaul and refurbishment work | 
                                    
                                        
                                            | 45212360 | Religious buildings construction work | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45212290 | Repair and maintenance work in connection with sports facilities | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45260000 | Roof works and other special trade construction works | Works for complete or part construction and civil engineering work | 
                                    
                                        
                                            | 44130000 | Sewer mains | Construction materials and associated items | 
                                    
                                        
                                            | 45211200 | Sheltered housing construction work | Construction work for multi-dwelling buildings and individual houses | 
                                    
                                        
                                            | 45100000 | Site preparation work | Construction work | 
                                    
                                        
                                            | 45262000 | Special trade construction works other than roof works | Roof works and other special trade construction works | 
                                    
                                        
                                            | 45212225 | Sports hall construction work | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45212224 | Stadium construction work | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants | 
                                    
                                        
                                            | 45223000 | Structures construction work | Engineering works and construction works | 
                                    
                                        
                                            | 45120000 | Test drilling and boring work | Site preparation work | 
                                    
                                        
                                            | 45211360 | Urban development construction work | Construction work for multi-dwelling buildings and individual houses | 
                                    
                                        
                                            | 71400000 | Urban planning and landscape architectural services | Architectural, construction, engineering and inspection services | 
                                    
                                        
                                            | 45200000 | Works for complete or part construction and civil engineering work | Construction work |