61.90.Z - Other telecommunications activities
70.22.Z - Business and other management consultancy activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
62.01.Z - Computer programming activities
62.02.Z - Computer consultancy activities
62.03.Z - Computer facilities management activities
62.09.Z - Other information technology and computer service activities
63.11.Z - Data processing, hosting and related activities
63.12.Z - Web portals
63.99.Z - Other information service activities not elsewhere classified
61.10.Z - Wired telecommunications activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.33.Z - Rental and leasing of office machinery and equipment, including computers
81.10.Z - Buildings service support activities
81.21.Z - General cleaning of buildings
81.29.Z - Other cleaning activities
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment
96.02.Z - Hairdressing and other beauty treatment
43.31.Z - Plastering
26.30.Z - Manufacture of (tele)communication equipment
33.11.Z - Repair and maintenance of fabricated metal products
33.12.Z - Repair and maintenance of machinery
33.13.Z - Repair and maintenance of electronic and optical equipment
33.14.Z - Repair and maintenance of electrical equipment
33.15.Z - Repair and maintenance of ships and boats
33.20.Z - Installation of industrial machinery and equipment and outfit
43.21.Z - Electrical installation
26.20.Z - Manufacture of computers and peripheral equipment
43.32.Z - Joinery installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
60.10.Z - Radio broadcasting
60.20.Z - Public and licence television programmes broadcasting