42.11.Z - Works related to construction of roads and motorways
43.13.Z - Test drilling and boring
81.21.Z - General cleaning of buildings
49.41.Z - Freight transport by road
46.90.Z - Non-specialised wholesale trade
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
43.99.Z - Other specialised construction activities not elsewhere classified
43.39.Z - Other building completion and finishing
43.33.Z - Floor and wall covering
43.29.Z - Other construction installation
43.21.Z - Electrical installation
23.61.Z - Manufacture of concrete products for construction purposes
43.12.Z - Site preparation
43.11.Z - Demolition
42.21.Z - Works related to construction of transmission pipelines and distribution networks
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
23.69.Z - Manufacture of other articles of concrete, plaster and cement
23.64.Z - Manufacture of mortars
23.63.Z - Manufacture of ready-mixed concrete