62.01.Z - Computer programming activities
72.19.Z - Other research and experimental development on natural sciences and engineering
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
61.30.Z - Satellite telecommunications activities
61.90.Z - Other telecommunications 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
71.20.B - Other technical testing and analysis
61.10.Z - Wired telecommunications activities
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
77.33.Z - Rental and leasing of office machinery and equipment, including computers
85.59.B - Other out-of-school forms of education, not elsewhere classified
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment
18.20.Z - Reproduction of recorded media
58.29.Z - Other software publishing
58.21.Z - Publishing of computer games
47.99.Z - Other retail sale not in stores, stalls or markets
47.91.Z - Retail sale via mail order houses or via internet
47.42.Z - Retail sale of telecommunications equipment in specialised stores
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
47.19.Z - Other retail sale in non-specialised stores
46.90.Z - Non-specialised wholesale trade
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.51.Z - Wholesale of computers, peripheral equipment and software
43.21.Z - Electrical installation
26.30.Z - Manufacture of (tele)communication equipment
26.20.Z - Manufacture of computers and peripheral equipment
26.12.Z - Manufacture of electronic printed circuits
26.11.Z - Manufacture of electronic components