56.21.Z - Event catering activities
58.19.Z - Other publishing activities
63.11 - Data processing, hosting and related activities
63.12.Z - Web portals
63.99 - Other information service activities not elsewhere classified
70.21 - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
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
73.11 - Advertising agencies activities
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)
73.12.D - Intermediation in the sale of the place on advertising aims in other media
73.20 - Market research and public opinion polling
74.90 - Other professional, scientific and technical activities not elsewhere classified
82.19.Z - Photocopying, document preparation and other specialised office support activities
82.20.Z - Activities of call centres
82.30.Z - Organisation of conventions and trade shows
85.59 - Other education n.e.c.
85.60.Z - Educational support activities
93.11.Z - Operation of sports facilities
93.29 - Pozostała działalność rozrywkowa i rekreacyjna