74.90.Z - Other professional, scientific and technical activities not elsewhere classified
64.99.Z - Other financial service activities, except insurance and pension funding not elsewhere classified
66.19.Z - Other activities auxiliary to financial services, except insurance and pension funding
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
72.20.Z - Research and experimental development on social sciences and humanities
73.20.Z - Market research and public opinion polling
82.30.Z - Organisation of conventions and trade shows
85.59.B - Other out-of-school forms of education, not elsewhere classified
85.60.Z - Educational support activities
