43.21.Z - Electrical installation
62.02.Z - Computer consultancy activities
96.09.Z - Other personal service activities not elsewhere classified
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
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified
72.19.Z - Other research and experimental development on natural sciences and engineering
71.20.B - Other technical testing and analysis
71.12.Z - Engineering activities and related technical consultancy
63.99.Z - Other information service activities not elsewhere classified
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
33.12.Z - Repair and maintenance of machinery
62.01.Z - Computer programming activities
61.90.Z - Other telecommunications activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
61.10.Z - Wired telecommunications activities
52.10.B - Warehousing and storage of other goods
47.99.Z - Other retail sale not in stores, stalls or markets
47.91.Z - Retail sale via mail order houses or via internet
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
43.29.Z - Other construction installation
41.20.Z - Building works related to erection of residential and non-residential buildings
33.20.Z - Installation of industrial machinery and equipment and outfit
33.14.Z - Repair and maintenance of electrical equipment
33.13.Z - Repair and maintenance of electronic and optical equipment
