70.22.Z - Business and other management consultancy activities
42.22.Z - Works related to construction of telecommunications and electricity lines
43.21.Z - Electrical installation
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
61.10.Z - Wired telecommunications activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
61.30.Z - Satellite telecommunications activities
62.02.Z - Computer consultancy activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
