82.99.Z - Other business support service activities not elsewhere classified
72.11.Z - Research and experimental development on biotechnology
72.19.Z - Other research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
73.20.Z - Market research and public opinion polling
78.10.Z - Activities of employment placement agencies
78.30.Z - Other human resources provision
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
