25.62.Z - Mechanical working of metal elements
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
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
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
45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.90.Z - Non-specialised wholesale trade
47.19.Z - Other retail sale in non-specialised stores
47.52.Z - Retail sale of hardware, paints and glass in specialised stores