72.20.Z - Research and experimental development on social sciences and humanities
47.91.Z - Retail sale via mail order houses or via Internet
58.11.Z - Book publishing
63.12.Z - Web portals
63.99.Z - Other information service activities not elsewhere classified
72.19.Z - Other research and experimental development on natural sciences and engineering
73.20.Z - Market research and public opinion polling
74.10.Z - Specialised design activities
85.59.B - Other out-of-school forms of education, not elsewhere classified
85.60.Z - Educational support activities
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane