74.90.Z - Other professional, scientific and technical activities not elsewhere classified
62.02.Z - Computer consultancy activities
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
70.22.Z - Business and other management consultancy activities
72.20.Z - Research and experimental development on social sciences and humanities
73.20.Z - Market research and public opinion polling
82.19.Z - Photocopying, document preparation and other specialised office support activities
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