46.73.Z - Wholesale of wood, construction materials and sanitary equipment
23.61.Z - Manufacture of concrete products for construction purposes
23.70.Z - Cutting, shaping and finishing of stone
41.20.Z - Building works related to erection of residential and non-residential buildings
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning 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
47.99.Z - Other retail sale not in stores, stalls or markets
70.22.Z - Business and other management consultancy activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
85.59.B - Other out-of-school forms of education, not elsewhere classified
