36.00.Z - Water collection, treatment and supply
43.34.Z - Painting and glazing
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
71.20.B - Other technical testing and analysis
71.12.Z - Engineering activities and related technical consultancy
49.42.Z - Removal services
49.41.Z - Freight transport by road
47.78.Z - Other retail sale of new goods in specialised stores
47.52.Z - Retail sale of hardware, paints and glass in specialised stores
46.90.Z - Non-specialised wholesale trade
46.76.Z - Wholesale of other intermediate products
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.63.Z - Wholesale of mining, construction and civil engineering machinery
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
43.39.Z - Other building completion and finishing
41.10.Z - Realization of building projects related to erection of buildings
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
43.21.Z - Electrical installation
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
42.91.Z - Works related to construction of water projects
42.22.Z - Works related to construction of telecommunications and electricity lines
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.13.Z - Works related to construction of bridges and tunnels
42.11.Z - Works related to construction of roads and motorways
41.20.Z - Building works related to erection of residential and non-residential buildings