42.13.Z - Works related to construction of bridges and tunnels
43.22.Z - Plumbing, heat and air-conditioning installation
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified
77.33.Z - Rental and leasing of office machinery and equipment, including computers
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
71.12.Z - Engineering activities and related technical consultancy
71.11.Z - Architectural activities
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
43.29.Z - Other construction installation
16.23.Z - Manufacture of other builders carpentry and joinery
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.91.Z - Works related to construction of water projects
42.11.Z - Works related to construction of roads and motorways
41.20.Z - Building works related to erection of residential and non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings