72.20.Z - Research and experimental development on social sciences and humanities
58.11.Z - Publishing of books
58.14.Z - Publishing of journals and periodicals
58.19.Z - Other publishing activities, except software publishing
70.22.Z - Business and other management consultancy activities
73.20.Z - Market research and public opinion polling
74.30.Z - Translation and interpretation activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
82.30.Z - Organisation of conventions and trade shows
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms