| 79961200 | Aerial photography services | Photographic services | 
                                    
                                        
                                            | 90731100 | Air quality management | Services related to air pollution | 
                                    
                                        
                                            | 71351914 | Archaeological services | Geological, geophysical and other scientific prospecting services | 
                                    
                                        
                                            | 71251000 | Architectural and building-surveying services | Architectural, engineering and surveying services | 
                                    
                                        
                                            | 71200000 | Architectural and related services | Architectural, construction, engineering and inspection services | 
                                    
                                        
                                            | 71220000 | Architectural design services | Architectural and related services | 
                                    
                                        
                                            | 71000000 | Architectural, construction, engineering and inspection services | Construction and Real Estate | 
                                    
                                        
                                            | 71240000 | Architectural, engineering and planning services | Architectural and related services | 
                                    
                                        
                                            | 71250000 | Architectural, engineering and surveying services | Architectural and related services | 
                                    
                                        
                                            | 71318100 | Artificial and natural lighting engineering services for buildings | Advisory and consultative engineering services | 
                                    
                                        
                                            | 90650000 | Asbestos removal services | Cleaning and sanitation services in urban or rural areas, and related services | 
                                    
                                        
                                            | 79993000 | Building and facilities management services | Miscellaneous business-related services | 
                                    
                                        
                                            | 71315000 | Building services | Consultative engineering and construction services | 
                                    
                                        
                                            | 71315300 | Building surveying services | Building services | 
                                    
                                        
                                            | 71244000 | Calculation of costs, monitoring of costs | Architectural, engineering and planning services | 
                                    
                                        
                                            | 71311000 | Civil engineering consultancy services | Consultative engineering and construction services | 
                                    
                                        
                                            | 71311100 | Civil engineering support services | Civil engineering consultancy services | 
                                    
                                        
                                            | 70332200 | Commercial property management services | Non-residential property services | 
                                    
                                        
                                            | 71530000 | Construction consultancy services | Construction-related services | 
                                    
                                        
                                            | 71541000 | Construction project management services | Construction management services | 
                                    
                                        
                                            | 71520000 | Construction supervision services | Construction-related services | 
                                    
                                        
                                            | 71521000 | Construction-site supervision services | Construction supervision services | 
                                    
                                        
                                            | 71310000 | Consultative engineering and construction services | Engineering services | 
                                    
                                        
                                            | 79994000 | Contract administration services | Miscellaneous business-related services | 
                                    
                                        
                                            | 79415200 | Design consultancy services | Production management consultancy services | 
                                    
                                        
                                            | 71246000 | Determining and listing of quantities in construction | Architectural, engineering and planning services | 
                                    
                                        
                                            | 71314000 | Energy and related services | Consultative engineering and construction services | 
                                    
                                        
                                            | 71314300 | Energy-efficiency consultancy services | Energy and related services | 
                                    
                                        
                                            | 71314200 | Energy-management services | Energy and related services | 
                                    
                                        
                                            | 71320000 | Engineering design services | Engineering services | 
                                    
                                        
                                            | 71321000 | Engineering design services for mechanical and electrical installations for buildings | Engineering design services | 
                                    
                                        
                                            | 71300000 | Engineering services | Architectural, construction, engineering and inspection services | 
                                    
                                        
                                            | 71313440 | Environmental Impact Assessment (EIA) services for construction | Environmental engineering consultancy services | 
                                    
                                        
                                            | 71313400 | Environmental impact assessment for construction | Environmental engineering consultancy services | 
                                    
                                        
                                            | 90700000 | Environmental services | Sewage, refuse, cleaning and environmental services | 
                                    
                                        
                                            | 79993100 | Facilities management services | Building and facilities management services | 
                                    
                                        
                                            | 71317100 | Fire and explosion protection and control consultancy services | Hazard protection and control consultancy services | 
                                    
                                        
                                            | 75251110 | Fire-prevention services | Fire-brigade services | 
                                    
                                        
                                            | 71332000 | Geotechnical engineering services | Miscellaneous engineering services | 
                                    
                                        
                                            | 71351500 | Ground investigation services | Geological, geophysical and other scientific prospecting services | 
                                    
                                        
                                            | 71317210 | Health and safety consultancy services | Hazard protection and control consultancy services | 
                                    
                                        
                                            | 71317200 | Health and safety services | Hazard protection and control consultancy services | 
                                    
                                        
                                            | 71314310 | Heating engineering services for buildings | Energy and related services | 
                                    
                                        
                                            | 71311210 | Highways consultancy services | Civil engineering consultancy services | 
                                    
                                        
                                            | 71311220 | Highways engineering services | Civil engineering consultancy services | 
                                    
                                        
                                            | 79932000 | Interior design services | Specialty design services | 
                                    
                                        
                                            | 70332100 | Land management services | Non-residential property services | 
                                    
                                        
                                            | 70122000 | Land sale or purchase services | Buying and selling of real estate | 
                                    
                                        
                                            | 70122100 | Land sale services | Land sale or purchase services | 
                                    
                                        
                                            | 71420000 | Landscape architectural services | Urban planning and landscape architectural services | 
                                    
                                        
                                            | 71334000 | Mechanical and electrical engineering services | Miscellaneous engineering services | 
                                    
                                        
                                            | 71333000 | Mechanical engineering services | Miscellaneous engineering services | 
                                    
                                        
                                            | 71313100 | Noise-control consultancy services | Environmental engineering consultancy services | 
                                    
                                        
                                            | 71242000 | Project and design preparation, estimation of costs | Architectural, engineering and planning services | 
                                    
                                        
                                            | 72224000 | Project management consultancy services | Systems and technical consultancy services | 
                                    
                                        
                                            | 71324000 | Quantity surveying services | Engineering design services | 
                                    
                                        
                                            | 90522000 | Services relating to contaminated soil | Radioactive-, toxic-, medical- and hazardous waste services | 
                                    
                                        
                                            | 90491000 | Sewer survey services | Sewer survey and sewage treatment consultancy services | 
                                    
                                        
                                            | 34928470 | Signage | Road furniture | 
                                    
                                        
                                            | 44423400 | Signs and related items | Miscellaneous articles | 
                                    
                                        
                                            | 71510000 | Site-investigation services | Construction-related services | 
                                    
                                        
                                            | 71313200 | Sound insulation and room acoustics consultancy services | Environmental engineering consultancy services | 
                                    
                                        
                                            | 71312000 | Structural engineering consultancy services | Consultative engineering and construction services | 
                                    
                                        
                                            | 71631300 | Technical building-inspection services | Technical inspection services | 
                                    
                                        
                                            | 71356400 | Technical planning services | Technical services | 
                                    
                                        
                                            | 71351800 | Topographical and water divining services | Geological, geophysical and other scientific prospecting services | 
                                    
                                        
                                            | 71351810 | Topographical services | Geological, geophysical and other scientific prospecting services |