68.20.Z - Rental and operating of own or leased real estate
41.20.Z - Building works related to erection of residential and non-residential buildings
43.99.Z - Other specialised construction activities not elsewhere classified
68.32.Z - Management of real estate on a fee or contract basis
70.10.Z - Activities of head office and holding companies, excluding financial holding companies
70.22.Z - Business and other management consultancy activities