33.20.Z - Installation of industrial machinery and equipment and outfit
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
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
80.20.Z - Security systems service activities
62.09.Z - Other information technology and computer service activities
62.02.Z - Computer consultancy activities
62.01.Z - Computer programming activities
61.90.Z - Other telecommunications activities
42.21.Z - Works related to construction of transmission pipelines and distribution networks
61.10.Z - Wired telecommunications activities
47.42.Z - Retail sale of telecommunications equipment in specialised stores
46.69.Z - Wholesale of other machinery and equipment
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.51.Z - Wholesale of computers, peripheral equipment and software
43.21.Z - Electrical installation
42.22.Z - Works related to construction of telecommunications and electricity lines
