42.11.Z - Construction of roads and motorways
22.23.Z - Manufacture of doors and windows of plastic
23.61.Z - Manufacture of concrete products for construction purposes
23.69.Z - Manufacture of other articles of concrete, plaster and cement
41.20.Z - Building works related to erection of residential and non-residential buildings
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
74.10.Z - Specialised design activities
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
78.30.Z - Other human resources provision
82.99.Z - Other business support service activities not elsewhere classified
