42.11.Z - Works related to construction of roads and motorways
08.12.Z - Operation of gravel and sand pits; mining of clays and kaolin
09.90.Z - Support activities for other mining and quarrying
23.32.Z - Manufacture of bricks, tiles and construction products, in baked clay
23.61.Z - Manufacture of concrete products for construction purposes
33.19.Z - Repair and maintenance of other equipment
33.20.Z - Installation of industrial machinery and equipment and outfit
41.20.Z - Building works related to erection of residential and non-residential buildings
42.12.Z - Works related to construction of railways and underground railways
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.22.Z - Works related to construction of telecommunications and electricity lines
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.11.Z - Demolition
43.12.Z - Site preparation
43.29.Z - Other construction installation
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.90.Z - Non-specialised wholesale trade