26.11.Z - Manufacture of electronic components
26.20.Z - Manufacture of computers and peripheral equipment
26.30.Z - Manufacture of communication equipment
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
26.70.Z - Manufacture of optical instruments, magnetic and optical media and photographic equipment
27.12.Z - Manufacture of electricity distribution and control apparatus
27.33.Z - Manufacture of wiring devices
27.90.Z - Manufacture of other electrical equipment
28.23.Z - Manufacture of office machinery and equipment, except computers and peripheral equipment
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
33.20.Z - Installation of industrial machinery and equipment
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
43.21.Z - Electrical installation
46.14.Z - Activities of agents involved in the wholesale of machinery, industrial equipment, ships and aircraft
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
58.29.Z - Other software publishing
61.10.Z - Wired telecommunications activities
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
61.30.Z - 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
70.22.Z - Business and other management consultancy activities
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment
