72.20.Z - Research and experimental development on social sciences and humanities
63.99.Z - Other information service activities not elsewhere classified
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
73.20.Z - Market research and public opinion polling
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
82.19.Z - Photocopying, document preparation and other specialised office support activities
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
94.99.Z - Activities of other membership organisations n.e.c.