70.10.Z - Activities of head office and holding companies, excluding financial holding companies
08.12.Z - Operation of gravel and sand pits and mining of clay and kaolin
09.90.Z - Support activities for other mining and quarrying
23.20.Z - Manufacture of refractory products
23.61.Z - Manufacture of concrete products for construction purposes
23.99.Z - Manufacture of other non-metallic mineral products n.e.c.
33.12.Z - Repair and maintenance of machinery
33.20.Z - Installation of industrial machinery and equipment
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
