42.11.Z - Works related to construction of roads and motorways
01.61.Z - Support activities for crop production
08.12.Z - Operation of gravel and sand pits; mining of clays and kaolin
23.61.Z - Manufacture of concrete products for construction purposes
42.13.Z - Works related to construction of bridges and tunnels
42.22.Z - Works related to construction of telecommunications and electricity lines
43.11.Z - Demolition
43.99.Z - Other specialised construction activities not elsewhere classified
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
49.41.Z - Freight transport by road
77.32.Z - Rental and leasing of construction machinery and equipment
81.29.Z - Other cleaning activities
81.30.Z - Landscape service activities