41.20.Z - Building works related to erection of residential and non-residential buildings
33.12.Z - Repair and maintenance of machinery
33.20.Z - Installation of industrial machinery and equipment
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.99.Z - Other specialised construction activities n.e.c.
46.69.Z - Wholesale of other machinery and equipment
46.90.Z - Non-specialised wholesale trade
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment