42.22.Z - Works related to construction of telecommunications and electricity lines
62.02.Z - Computer consultancy activities
95.22.Z - Repair and maintenance of household appliances and home and garden equipment
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
77.33.Z - Rental and leasing of office machinery and equipment, including computers
63.12.Z - Web portals
63.11.Z - Data processing, hosting and related activities
62.09.Z - Other information technology and computer service activities
62.03.Z - Computer facilities management activities
43.21.Z - Electrical installation
62.01.Z - Computer programming activities
61.90.Z - Other telecommunications activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
61.10.Z - Wired telecommunications activities
47.43.Z - Retail sale of audio and video equipment in specialised stores
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
