68.20.Z - Rental and operating of own or leased real estate
68.31.Z - Intermediation service activities for real estate activities
68.32.Z - Management of real estate on a fee or contract basis
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
70.10.Z - Activities of head office and holding companies, excluding financial holding companies
70.22.Z - Business and other management consultancy activities
72.20.Z - Research and experimental development on social sciences and humanities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.33.Z - Rental and leasing of office machinery, equipment and computers
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
