85.60.Z - Educational support activities
58.14.Z - Publishing of journals and periodicals
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
72.20.Z - Research and experimental development on social sciences and humanities
73.20.Z - Market research and public opinion polling
78.20.Z - Temporary employment agency activities and other human resource provisions
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
