74.90.Z - Other professional, scientific and technical activities not elsewhere classified
63.99.Z - Other information service activities not elsewhere classified
66.29.Z - Activities auxiliary to insurance and pension funding n.e.c.
68.31.Z - Intermediation service activities for real estate activities
73.20.Z - Market research and public opinion polling
78.10.Z - Activities of employment placement agencies
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
96.09.Z - Other personal service activities not elsewhere classified
