73.20.Z - Market research and public opinion polling
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
86.90.E - Other human health activities not elsewhere classified
85.60.Z - Educational support activities
85.59.B - Other out-of-school forms of education, not elsewhere classified
85.52.Z - Out-of-school forms of cultural education
85.51.Z - Out-of-school forms of sports and leisure education
82.30.Z - Organisation of conventions and trade shows
82.19.Z - Photocopying, document preparation and other specialised office support activities
74.30.Z - Translation and interpretation activities
74.20.Z - Photographic activities
73.12.D - Intermediation in the sale of the place on advertising aims in other media
58.11.Z - Book publishing
73.12.B - Intermediation in the sale of the place on advertising aims in printed media
73.12.A - Intermediation in the sale of time and place on advertising aims in the radio and television
73.11.Z - Advertising agencies activities
70.21.Z - Public relations and communication activities
63.99.Z - Other information service activities not elsewhere classified
63.91.Z - News agency activities
63.12.Z - Web portals
59.11.Z - Motion picture, video and television programme production activities
58.19.Z - Other publishing activities
58.14.Z - Publishing of journals and periodicals
