71.11.Z - Architectural activities
18.13.Z - Pre-press and pre-media services
43.33.Z - Floor and wall covering
47.91.Z - Retail sale via mail order houses or via internet
58.11.Z - Book publishing
58.14.Z - Publishing of journals and periodicals
63.12.Z - Web portals
63.99.Z - Other information service activities not elsewhere classified
68.31.Z - Real estate agencies
71.12.Z - Engineering activities and related technical consultancy
72.20.Z - Research and experimental development on social sciences and humanities
73.20.Z - Market research and public opinion polling
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
81.21.Z - General cleaning of buildings
81.22.Z - Specialised building and industrial cleaning activities
85.59.B - Other out-of-school forms of education, not elsewhere classified
