94.99.Z - Activities of other membership organisations n.e.c.
58.11.Z - Publishing of books
58.19.Z - Other publishing activities, except software publishing
70.21.Z - Public relations and communication activities
72.20.Z - Research and experimental development on social sciences and humanities
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
85.60.Z - Educational support activities
94.12.Z - Activities of professional membership organisations
