26.20.Z - Manufacture of computers and peripheral equipment
26.30.Z - Manufacture of communication equipment
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.22.Z - Construction of utility projects for electricity and telecommunications
43.21.Z - Electrical installation
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
47.42.Z - Retail sale of telecommunications equipment in specialised stores
47.91.Z - Intermediation service activities for non-specialised retail sale
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
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
72.19.Z - Other research and experimental development on natural sciences and engineering
73.1 - Advertising
73.11.Z - Activities of advertising agencies
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment
95.21.Z - Repair and maintenance of consumer electronics