85.60.Z - Educational support activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.11.Z - Research and experimental development on biotechnology
72.19.Z - Other research and experimental development on natural sciences and engineering
73.20.Z - Market research and public opinion polling
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
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
86.90.E - Other human health activities not elsewhere classified
96.09.Z - Other personal service activities not elsewhere classified
