41.20.Z - Building works related to erection of residential and non-residential buildings
43.32.Z - Joinery installation
81.22.Z - Specialised building and industrial cleaning activities
81.21.Z - General cleaning of buildings
77.32.Z - Rental and leasing of construction machinery and equipment
46.90.Z - Non-specialised wholesale trade
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.62.Z - Wholesale of machine tools
46.61.Z - Wholesale of agricultural machinery, equipment and supplies
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
43.39.Z - Other building completion and finishing
43.34.Z - Painting and glazing
43.33.Z - Floor and wall covering
23.61.Z - Manufacture of concrete products for construction purposes
43.31.Z - Plastering
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
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
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.11.Z - Works related to construction of roads and motorways
41.10.Z - Realization of building projects related to erection of buildings
