73.20.Z - Market research and public opinion polling
58.11.Z - Book publishing
58.14.Z - Publishing of journals and periodicals
58.19.Z - Other publishing activities
70.22.Z - Business and other management consultancy activities
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
71.20.Z - Technical testing and analysis
82.30.Z - Organisation of conventions and trade shows
85.59.Z - Other education n.e.c.