45220000 Engineering works and construction works, 45230000 Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork, 45240000 Construction work for water projects, 45250000 Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry, 45260000 Roof works and other special trade construction 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, 70112000 Development of non-residential real estate, 71000000 Architectural, construction, engineering and inspection services, 71400000 Urban planning and landscape architectural services, 71200000 Architectural and related services, 71500000 Construction-related services, 71700000 Monitoring and control services, 71300000 Engineering services, 71311000 Civil engineering consultancy services, 71311100 Civil engineering support services, 71322000 Engineering design services for the construction of civil engineering works, 71322100 Quantity surveying services for civil engineering works, 71600000 Technical testing, analysis and consultancy services, 71900000 Laboratory services, 71800000 Consulting services for water-supply and waste consultancy, 09330000 Solar energy, 31121000 Generating sets, 45000000 Construction work, 45110000 Building demolition and wrecking work and earthmoving work, 45120000 Test drilling and boring work, 45100000 Site preparation work, 45200000 Works for complete or part construction and civil engineering work, 45210000 Building construction work