82.99.B - Support activities for business operations not classified elsewhere
63.10.C - Content delivery network (cdn) server services
63.10.D - Other services related to computing infrastructure, data processing, website management (hosting), and related activities
63.91.Z - Web search portal activities
72.10.Z - Research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
73.11.Z - Activities of advertising agencies
73.30.B - Other activities in the field of public relations and communication
74.20.Z - Photographic activities
74.30.Z - Translation and interpretation activities
74.99.Z - All other professional, scientific and technical activities n.e.c.
79.90.Z - Other reservation service and related activities
82.10.Z - Office administrative and support activities
82.30.Z - Organisation of conventions and trade shows
85.59.D - Other non-school forms of education, not elsewhere classified
90.12.Z - Visual arts creation activities
90.13.Z - Other arts creation activities
