46.51.Z - Wholesale of computers, peripheral equipment and software
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
47.91.Z - Intermediation service activities for non-specialised retail sale
58.11.Z - Publishing of books
58.13.Z - Publishing of journals and periodicals
58.14.Z - Publishing of journals and periodicals
58.19.Z - Other publishing activities, except software publishing
58.21.Z - Publishing of video games
58.29.Z - Other software publishing
59.12.Z - Motion picture, video and television programme post-production activities
59.20.Z - Sound recording and music publishing activities
62.01.Z - Computer programming activities
62.02.Z - Computer consultancy activities
62.03.Z - Computer facilities management activities
62.09.Z - Other information technology and computer service activities
63.11.Z - Data processing, hosting and related activities
63.12.Z - Web portals
63.91.Z - Web search portal activities
63.99.Z - Other information service activities not elsewhere classified
70.21.Z - Public relations and communication activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.11.Z - Research and experimental development on biotechnology
72.19.Z - Other research and experimental development on natural sciences and engineering
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)
73.20.Z - Market research and public opinion polling
74.10.Z - Specialised design activities
74.30.Z - Translation and interpretation activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
78.10.Z - Activities of employment placement agencies
78.30.Z - Other human resources provision
82.20.Z - Activities of call centres
82.30.Z - Organisation of conventions and trade shows
82.99.Z - Other business support service activities not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
85.60.Z - Educational support activities
