73.11.Z - Advertising agencies activities
18.13.Z - Pre-press and pre-media services
47.91.Z - Retail sale via mail order houses or via internet
58.11.Z - Book publishing
59.11.Z - Motion picture, video and television programme production activities
59.12.Z - Motion picture, video and television programme post-production activities
63.12.Z - Web portals
68.20.Z - Rental and operating of own or leased real estate
73.12.B - Intermediation in the sale of the place on advertising aims in printed media
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
73.20.Z - Market research and public opinion polling
74.10.Z - Specialised design activities
74.20.Z - Photographic activities
82.30.Z - Organisation of conventions and trade shows
85.52.Z - Out-of-school forms of cultural education
85.59.A - Learning of foreign languages
85.60.Z - Educational support activities
