94.99.Z - Activities of other membership organisations n.e.c.
58.11.Z - Publishing of books
62.01.Z - Computer programming activities
63.11.Z - Data processing, hosting and related activities
70.22.Z - Business and other management consultancy activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.20.Z - Research and experimental development on social sciences and humanities
73.20.Z - Market research and public opinion polling
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