| 45442000 | Application work of protective coatings | Painting and glazing work | 
                                    
                                        
                                            | 45262660 | Asbestos-removal work | Special trade construction works other than roof works | 
                                    
                                        
                                            | 45243400 | Beach-consolidation works | Coastal-defence works | 
                                    
                                        
                                            | 34928450 | Bollards | Road furniture | 
                                    
                                        
                                            | 34928440 | Bus-stop posts | Road furniture | 
                                    
                                        
                                            | 45233223 | Carriageway resurfacing works | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 45243000 | Coastal-defence works | Construction work for water projects | 
                                    
                                        
                                            | 45000000 | Construction work | Construction and Real Estate | 
                                    
                                        
                                            | 45221000 | Construction work for bridges and tunnels, shafts and subways | Engineering works and construction works | 
                                    
                                        
                                            | 45213350 | Construction work for buildings relating to various means of transport | Construction work for commercial buildings, warehouses and industrial buildings, buildings relating to transport | 
                                    
                                        
                                            | 45233100 | Construction work for highways, roads | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 45221115 | Construction work for steel bridges | Construction work for bridges and tunnels, shafts and subways | 
                                    
                                        
                                            | 45233000 | Construction, foundation and surface works for highways, roads | Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork | 
                                    
                                        
                                            | 34941600 | Crossovers | Rails and accessories | 
                                    
                                        
                                            | 45111000 | Demolition, site preparation and clearance work | Building demolition and wrecking work and earthmoving work | 
                                    
                                        
                                            | 45232450 | Drainage construction works | Ancillary works for pipelines and cables | 
                                    
                                        
                                            | 45220000 | Engineering works and construction works | Works for complete or part construction and civil engineering work | 
                                    
                                        
                                            | 45262640 | Environmental improvement works | Special trade construction works other than roof works | 
                                    
                                        
                                            | 45112000 | Excavating and earthmoving work | Building demolition and wrecking work and earthmoving work | 
                                    
                                        
                                            | 45246410 | Flood-defences maintenance works | River regulation and flood control works | 
                                    
                                        
                                            | 45246400 | Flood-prevention works | River regulation and flood control works | 
                                    
                                        
                                            | 45233300 | Foundation work for highways, roads, streets and footpaths | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 45111240 | Ground-drainage work | Demolition, site preparation and clearance work | 
                                    
                                        
                                            | 45111230 | Ground-stabilisation work | Demolition, site preparation and clearance work | 
                                    
                                        
                                            | 34928320 | Guardrails | Road furniture | 
                                    
                                        
                                            | 45233139 | Highway maintenance work | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 34929000 | Highway materials | Road equipment | 
                                    
                                        
                                            | 45112700 | Landscaping work | Excavating and earthmoving work | 
                                    
                                        
                                            | 45214640 | Meteorological stations construction work | Construction work for buildings relating to education and research | 
                                    
                                        
                                            | 45233270 | Parking-lot-surface painting work | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 45233222 | Paving and asphalting works | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 45262310 | Reinforced-concrete work | Special trade construction works other than roof works | 
                                    
                                        
                                            | 45259000 | Repair and maintenance of plant | Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry | 
                                    
                                        
                                            | 45233251 | Resurfacing works | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 45233120 | Road construction works | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 34928000 | Road furniture | Road equipment | 
                                    
                                        
                                            | 34922100 | Road markings | Road-marking equipment | 
                                    
                                        
                                            | 44811000 | Road paint | Paints | 
                                    
                                        
                                            | 34921100 | Road sweepers | Road-maintenance equipment | 
                                    
                                        
                                            | 34923000 | Road traffic-control equipment | Road equipment | 
                                    
                                        
                                            | 34921000 | Road-maintenance equipment | Road equipment | 
                                    
                                        
                                            | 45233141 | Road-maintenance works | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 45233142 | Road-repair works | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 45233221 | Road-surface painting work | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 45233140 | Roadworks | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 34928300 | Safety barriers | Road furniture | 
                                    
                                        
                                            | 45243500 | Sea defences construction work | Coastal-defence works | 
                                    
                                        
                                            | 45243300 | Sea wall construction work | Coastal-defence works | 
                                    
                                        
                                            | 34928472 | Sign posts | Road furniture | 
                                    
                                        
                                            | 34928470 | Signage | Road furniture | 
                                    
                                        
                                            | 34992000 | Signs and illuminated signs | Control, safety, signalling and light equipment | 
                                    
                                        
                                            | 45100000 | Site preparation work | Construction work | 
                                    
                                        
                                            | 45112340 | Soil-decontamination work | Excavating and earthmoving work | 
                                    
                                        
                                            | 45262420 | Structural steel erection work for structures | Special trade construction works other than roof works | 
                                    
                                        
                                            | 45233220 | Surface work for roads | Construction, foundation and surface works for highways, roads | 
                                    
                                        
                                            | 45442300 | Surface-protection work | Application work of protective coatings | 
                                    
                                        
                                            | 34928400 | Urban furniture | Road furniture | 
                                    
                                        
                                            | 45233229 | Verge maintenance work | Construction, foundation and surface works for highways, roads |