85.60.Z - Educational support activities
58.19.Z - Other publishing activities, except software publishing
70.21.Z - 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
73.20.Z - Market research and public opinion polling
82.30.Z - Organisation of conventions and trade shows
82.99.Z - Other business support service activities not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
94.99.Z - Activities of other membership organisations n.e.c.
