61.10.Z - Wired telecommunications activities
43.2 - Electrical, plumbing and other construction installation activities
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
47.42.Z - Retail sale of telecommunications equipment in specialised stores
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
61.30.Z - Satellite telecommunications activities
61.90.Z - Other telecommunications activities
62 - Computer programming, consultancy and related activities
63 - Computing infrastructure, data processing, hosting and other information service activities
77.33.Z - Rental and leasing of office machinery, equipment and computers
