72.19.Z - Other research and experimental development on natural sciences and engineering
58.19.Z - Other publishing activities, except software publishing
63.99.Z - Other information service activities not elsewhere classified
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
72.20.Z - Research and experimental development on social sciences and humanities
73.20.Z - Market research and public opinion polling
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
85.60.Z - Educational support activities
96.09.Z - Other personal service activities not elsewhere classified