62.02.Z - Computer consultancy activities
73.12.A - Intermediation in the sale of time and place on advertising aims in the radio and television
62.01.Z - Computer programming 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
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
71.20.B - Other technical testing and analysis
72.19.Z - Other research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
73.11.Z - Advertising agencies activities
61.90.Z - Other telecommunications activities
73.12.B - Intermediation in the sale of the place on advertising aims in printed media
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
73.12.D - Intermediation in the sale of the place on advertising aims in other media
73.20.Z - Market research and public opinion polling
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
80.20.Z - Security systems service activities
82.30.Z - Organisation of conventions and trade shows
95.11.Z - Repair and maintenance of computers and peripheral equipment
41.10.Z - Realization of building projects related to erection of buildings
26.30.Z - Manufacture of (tele)communication equipment
26.40.Z - Manufacture of consumer electronics
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
27.12.Z - Manufacture of electricity distribution and control apparatus
27.33.Z - Manufacture of installing equipment
27.40.Z - Manufacture of electric lighting equipment
33.13.Z - Repair and maintenance of electronic and optical equipment
33.14.Z - Repair and maintenance of electrical equipment
33.19.Z - Repair and maintenance of other equipment
33.20.Z - Installation of industrial machinery and equipment and outfit
26.20.Z - Manufacture of computers and peripheral equipment
43.21.Z - Electrical installation
46.43.Z - Wholesale of electrical household appliances
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
47.42.Z - Retail sale of telecommunications equipment in specialised stores
47.91.Z - Retail sale via mail order houses or via internet
58.29.Z - Other software publishing
61.10.Z - Wired telecommunications activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities