52.22.A - Support services for maritime transport
58.19.Z - Other publishing activities, except software publishing
70.22.Z - Business and other management consultancy activities
72.20.Z - Research and experimental development on social sciences and humanities
73.12.B - Intermediation in the sale of the place on advertising aims in printed media
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
73.12.D - Intermediation in the sale of the place on advertising aims in other media
73.20.Z - Market research and public opinion polling
82.11.Z - Office administrative service activities
82.30.Z - Organisation of conventions and trade shows