74.99.Z - All other professional, scientific and technical activities n.e.c.
60.39.Z - Other content distribution activities
70.20.Z - Business and other management consultancy activities
71.12.B - Other activities in the field of engineering and related technical consulting
72.10.Z - Research and experimental development on natural sciences and engineering
73.20.Z - Market research and public opinion polling
73.30.B - Other activities in the field of public relations and communication
74.30.Z - Translation and interpretation activities
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
85.59.D - Other non-school forms of education, not elsewhere classified
