42.11.Z - Works related to construction of roads and motorways
43.34.Z - Painting and glazing
81.29.Z - Other cleaning activities
77.32.Z - Rental and leasing of construction machinery and equipment
49.41.Z - Freight transport by road
47.99.Z - Other retail sale not in stores, stalls or markets
47.52.Z - Retail sale of hardware, paints and glass in specialised stores
46.90.Z - Non-specialised wholesale trade
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.13.Z - Agents involved in the sale of timber and building materials
45.11.Z - Sale of cars and light motor vehicles
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
43.39.Z - Other building completion and finishing
33.20.Z - Installation of industrial machinery and equipment and outfit
43.33.Z - Floor and wall covering
43.32.Z - Joinery installation
43.31.Z - Plastering
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning 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
37.00.Z - Sewage disposal and treatment