58.21.Z - Publishing of video games
58.29.Z - Other software publishing
61.10.Z - Wired telecommunications activities
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
61.30.Z - Satellite telecommunications activities
61.90.Z - Other telecommunications 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
68.10.Z - Buying and selling of own real estate
68.20.Z - Rental and operating of own or leased real estate
68.31.Z - Intermediation service activities for real estate activities
68.32.Z - Management of real estate on a fee or contract basis
70.10.Z - Activities of head office and holding companies, excluding financial holding companies
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.19.Z - Other research and experimental development on natural sciences and engineering
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
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.33.Z - Rental and leasing of office machinery, equipment and computers
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods n.e.c.
78.10.Z - Activities of employment placement agencies
78.30.Z - Other human resources provision
82.20.Z - Activities of call centres
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
85.60.Z - Educational support activities
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment
96.09.Z - Other personal service activities not elsewhere classified