74.90.Z - Other professional, scientific and technical activities not elsewhere classified
47.19.Z - Other retail sale in non-specialised stores
47.91.Z - Retail sale via mail order houses or via internet
47.99.Z - Other retail sale not in stores, stalls or markets
70.21.Z - Public relations and communication activities
73.11.Z - Advertising agencies activities
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
82.99.Z - Other business support service activities not elsewhere classified
85.59.B - Other out-of-school forms of education, not elsewhere classified
85.60.Z - Educational support activities
