74.90.Z - Other professional, scientific and technical activities not elsewhere classified
18.1 - Printing and service activities related to printing
58.1 - Publishing of books, newspapers and other publishing activities, except software publishing
58.13 - Publishing of journals and periodicals
63.9 - Web search portal activities and other information service activities
70.2 - Business and other management consultancy activities
71.2 - Technical testing and analysis
72.20.Z - Research and experimental development on social sciences and humanities
85.60.Z - Educational support activities
94.9 - Activities of other membership organisations