70.10.Z - Activities of head office and holding companies, excluding financial holding companies
63.1 - Computing infrastructure, data processing, hosting and related activities
63.9 - Web search portal activities and other information service activities
70 - Activities of head offices and management consultancy
73.12.A - Intermediation in the sale of time and place on advertising aims in the radio and television
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 - Market research and public opinion polling
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms