73.20.Z - Market research and public opinion polling
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
71.20.A - Research and analysis related to food quality
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.19.Z - Other research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
82.99.Z - Other business support service activities not elsewhere classified
85.60.Z - Educational support activities
