73.20.Z - Market research and public opinion polling
64.20.Z - Activities of holding companies
68.31.Z - Intermediation service activities for real estate activities
70.10.Z - Activities of head office and holding companies, excluding financial holding companies
72.19.Z - Other research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
82.11.Z - Office administrative service activities
82.99.Z - Other business support service activities not elsewhere classified
96.09.Z - Other personal service activities not elsewhere classified