18.20.Z - Reproduction of recorded media
26.20.Z - Manufacture of computers and peripheral equipment
26.30.Z - Manufacture of communication equipment
28.23.Z - Manufacture of office machinery and equipment, except computers and peripheral equipment
42.22.Z - Construction of utility projects for electricity and telecommunications
46.51.Z - Wholesale of computers, peripheral equipment and software
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
47.91.Z - Intermediation service activities for non-specialised retail sale
58.12.Z - Publishing of newspapers
58.21.Z - Publishing of video games
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
62.02.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
63.99.Z - Other information service activities not elsewhere classified
68.20.Z - Rental and operating of own or leased real estate
68.32.Z - Management of real estate on a fee or contract basis
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
70.22.Z - Business and other management consultancy activities
73.11.Z - Activities of advertising agencies
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
77.33.Z - Rental and leasing of office machinery, equipment and computers
82.20.Z - Activities of call centres
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment