82.11.Z - Office administrative service activities
63.11.Z - Data processing, hosting and related activities
73.11.Z - Activities of advertising agencies
73.20.Z - Market research and public opinion polling
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
79.90.C - Other reservation service activities not elsewhere classified
82.20.Z - Activities of call centres
82.30.Z - Organisation of conventions and trade shows
82.91.Z - Activities of collection agencies and credit bureaus
82.99.Z - Other business support service activities not elsewhere classified
