62.01.Z - Computer programming activities
62.03.Z - Computer facilities management activities
95.12.Z - Repair and maintenance of (tele)communication equipment
85.60.Z - Educational support activities
85.59.B - Other out-of-school forms of education, not elsewhere classified
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.10.Z - Specialised design activities
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
72.19.Z - Other research and experimental development on natural sciences and engineering
63.99.Z - Other information service activities not elsewhere classified
63.91.Z - News agency activities
63.12.Z - Web portals
63.11.Z - Data processing, hosting and related activities
62.09.Z - Other information technology and computer service activities
26.12.Z - Manufacture of electronic printed circuits
62.02.Z - Computer consultancy activities
61.90.Z - Other telecommunications activities
61.30.Z - Satellite telecommunications activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
61.10.Z - Wired telecommunications activities
58.29.Z - Other software publishing
58.21.Z - Publishing of computer games
47.43.Z - Retail sale of audio and video equipment in specialised stores
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
46.51.Z - Wholesale of computers, peripheral equipment and software
43.21.Z - Electrical installation
42.22.Z - Works related to construction of telecommunications and electricity lines