73.20.Z - Market research and public opinion polling
72.20.Z - Research and experimental development on social sciences and humanities
85.60.Z - Educational support activities
85.59.B - Other out-of-school forms of education, not elsewhere classified
82.99.Z - Other business support service activities not elsewhere classified
82.30.Z - Organisation of conventions and trade shows
82.20.Z - Activities of call centres
82.11.Z - Office administrative service activities
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
74.30.Z - Translation and interpretation activities
73.11.Z - Advertising agencies activities
47.61.Z - Retail sale of books in specialised stores
70.22.Z - Business and other management consultancy activities
70.21.Z - Public relations and communication activities
63.12.Z - Web portals
62.01.Z - Computer programming activities
59.14.Z - Motion picture projection activities
59.13.Z - Motion picture, video and television programme distribution activities
58.19.Z - Other publishing activities
58.11.Z - Book publishing
