74.90.Z - Other professional, scientific and technical activities not elsewhere classified
47.91.Z - Intermediation service activities for non-specialised retail sale
47.99.Z - Other retail sale not in stores, stalls or markets
58.19.Z - Other publishing activities, except software publishing
63.99.Z - Other information service activities not elsewhere classified
70.22.Z - Business and other management consultancy activities
73.20.Z - Market research and public opinion polling
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
