43.21.Z - Electrical installation
62.01.Z - Computer programming activities
81.10.Z - Buildings service support activities
80.20.Z - Security systems service activities
80.10.Z - Private security activities, excluding security systems service activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
63.99.Z - Other information service activities not elsewhere classified
63.91.Z - News agency activities
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
62.02.Z - Computer consultancy activities
43.22.Z - Plumbing, heat and air-conditioning installation
61.90.Z - Other telecommunications activities
61.30.Z - Satellite telecommunications activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
61.10.Z - Wired telecommunications activities
47.54.Z - Retail sale of electrical household appliances in specialised stores
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
47.19.Z - Other retail sale in non-specialised stores
43.29.Z - Other construction installation
