| 45000000 | Construction work |
| 44211100 | Modular and portable buildings |
| 45100000 | Site preparation work |
| 45110000 | Building demolition and wrecking work and earthmoving work |
| 45120000 | Test drilling and boring work |
| 45200000 | Works for complete or part construction and civil engineering work |
| 45210000 | Building construction work |
| 45212000 | Construction work for buildings relating to leisure, sports, culture, lodging and restaurants |
| 45213000 | Construction work for commercial buildings, warehouses and industrial buildings, buildings relating to transport |
| 45214000 | Construction work for buildings relating to education and research |
| 45215000 | Construction work for buildings relating to health and social services, for crematoriums and public conveniences |
| 45216000 | Construction work for buildings relating to law and order or emergency services and for military buildings |
| 45220000 | Engineering works and construction works |
| 45221000 | Construction work for bridges and tunnels, shafts and subways |
| 45222000 | Construction work for engineering works except bridges, tunnels, shafts and subways |
| 45223000 | Structures construction work |
| 45230000 | Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork |
| 45240000 | Construction work for water projects |
| 45241000 | Harbour construction works |
| 45242000 | Waterside leisure facilities construction work |
| 45243000 | Coastal-defence works |
| 45244000 | Marine construction works |
| 45245000 | Dredging and pumping works for water treatment plant installations |
| 45246000 | River regulation and flood control works |
| 45247000 | Construction work for dams, canals, irrigation channels and aqueducts |
| 45248000 | Construction work for hydro-mechanical structures |
| 45250000 | Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry |
| 45251000 | Construction works for power plants and heating plants |
| 45252000 | Construction works for sewage treatment plants, purification plants and refuse incineration plants |
| 45253000 | Construction work for chemical-processing plant |
| 45254000 | Construction work for mining and manufacturing |
| 45255000 | Construction work for the oil and gas industry |
| 45259000 | Repair and maintenance of plant |
| 45260000 | Roof works and other special trade construction works |
| 45261000 | Erection and related works of roof frames and coverings |
| 45262000 | Special trade construction works other than roof works |
| 45300000 | Building installation work |
| 45310000 | Electrical installation work |
| 45320000 | Insulation work |
| 45330000 | Plumbing and sanitary works |
| 45340000 | Fencing, railing and safety equipment installation work |
| 45350000 | Mechanical installations |
| 45400000 | Building completion work |
| 45410000 | Plastering work |
| 45420000 | Joinery and carpentry installation work |
| 45430000 | Floor and wall covering work |
| 45440000 | Painting and glazing work |
| 45450000 | Other building completion work |
| 50000000 | Repair and maintenance services |
| 70110000 | Development services of real estate |
| 70111000 | Development of residential real estate |
| 70112000 | Development of non-residential real estate |
| 71000000 | Architectural, construction, engineering and inspection services |
| 71200000 | Architectural and related services |
| 71300000 | Engineering services |
| 71310000 | Consultative engineering and construction services |
| 71311000 | Civil engineering consultancy services |
| 71312000 | Structural engineering consultancy services |
| 71313000 | Environmental engineering consultancy services |
| 71314000 | Energy and related services |
| 71315000 | Building services |
| 71316000 | Telecommunication consultancy services |
| 71317000 | Hazard protection and control consultancy services |
| 71318000 | Advisory and consultative engineering services |
| 71320000 | Engineering design services |
| 71330000 | Miscellaneous engineering services |
| 71400000 | Urban planning and landscape architectural services |
| 71500000 | Construction-related services |
| 71600000 | Technical testing, analysis and consultancy services |
| 71700000 | Monitoring and control services |
| 71900000 | Laboratory services |
| 72220000 | Systems and technical consultancy services |
| 72224000 | Project management consultancy services |
| 79993000 | Building and facilities management services |