41.20.Z - Building works related to erection of residential and non-residential buildings
43.91.Z - Roofing activities
43.13.Z - Test drilling and boring
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.31.Z - Plastering
43.32.Z - Joinery installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
43.12.Z - Site preparation
43.99.Z - Other specialised construction activities not elsewhere classified
68.10.Z - Buying and selling of own real estate
68.20.Z - Rental and operating of own or leased real estate
68.32.Z - Management of real estate on a fee or contract basis
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
73.12.A - Intermediation in the sale of time and place on advertising aims in the radio and television
77.12.Z - Rental and leasing of other motor vehicle, excluding motorcycles
28.25.Z - Manufacture of industrial cooling and ventilation equipment
23.63.Z - Manufacture of ready-mixed concrete
23.64.Z - Manufacture of mortars
23.69.Z - Manufacture of other articles of concrete, plaster and cement
23.70.Z - Cutting, shaping and finishing of stone
25.11.Z - Manufacture of metal structures and parts of structures
25.12.Z - Manufacture of metal elements of building woodwork
25.29.Z - Manufacture of other tanks, reservoirs and containers of metal
25.62.Z - Mechanical working of metal elements
28.24.Z - Manufacture of power-driven hand tools
23.61.Z - Manufacture of concrete products for construction purposes
33.11.Z - Repair and maintenance of fabricated metal products
33.20.Z - Installation of industrial machinery and equipment and outfit
41.10.Z - Realization of building projects related to erection of buildings
42.11.Z - Works related to construction of roads and motorways
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.22.Z - Works related to construction of telecommunications and electricity lines
42.91.Z - Works related to construction of water projects
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
