70.22.Z - Business and other management consultancy activities
61.90.Z - Other telecommunications activities
95.21.Z - Repair and maintenance of consumer electronics
95.12.Z - Repair and maintenance of (tele)communication equipment
95.11.Z - Repair and maintenance of computers and peripheral equipment
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified
77.33.Z - Rental and leasing of office machinery and equipment, including computers
74.10.Z - Specialised design activities
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
73.11.Z - Advertising agencies activities
71.20.B - Other technical testing and analysis
71.12.Z - Engineering activities and related technical consultancy
63.12.Z - Web portals
62.09.Z - Other information technology and computer service activities
62.02.Z - Computer consultancy activities
62.01.Z - Computer programming activities
26.30.Z - Manufacture of (tele)communication equipment
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
61.10.Z - Wired telecommunications activities
58.29.Z - Other software publishing
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
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
42.22.Z - Works related to construction of telecommunications and electricity lines
33.20.Z - Installation of industrial machinery and equipment and outfit
33.14.Z - Repair and maintenance of electrical equipment
27.12.Z - Manufacture of electricity distribution and control apparatus