47.91.Z - Retail sale via mail order houses or via internet
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
63.11.Z - Data processing, hosting and related activities
63.12.Z - Web portals
63.99.Z - Other information service activities not elsewhere classified
72.11.Z - Research and experimental development on biotechnology
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
73.12.A - Intermediation in the sale of time and place on advertising aims in the radio and television
73.12.B - Intermediation in the sale of the place on advertising aims in printed media
62.09.Z - Other information technology and computer service activities
73.12.D - Intermediation in the sale of the place on advertising aims in other media
77.33.Z - Rental and leasing of office machinery and equipment, including computers
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
82.11.Z - Office administrative service activities
82.19.Z - Photocopying, document preparation and other specialised office support activities
82.30.Z - Organisation of conventions and trade shows
82.99.Z - Other business support service activities not elsewhere classified
95.11.Z - Repair and maintenance of computers and peripheral equipment
59.12.Z - Motion picture, video and television programme post-production activities
28.23.Z - Manufacture of office machinery and equipment, except computers and peripheral equipment
42.22.Z - Works related to construction of telecommunications and electricity lines
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
58.21.Z - Publishing of computer games
58.29.Z - Other software publishing
59.11.Z - Motion picture, video and television programme production activities
26.20.Z - Manufacture of computers and peripheral equipment
59.13.Z - Motion picture, video and television programme distribution activities
61.10.Z - Wired telecommunications activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
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