26.30.Z - Manufacture of communication equipment
26.70.Z - Manufacture of optical instruments, magnetic and optical media and photographic equipment
27.20.Z - Manufacture of batteries and accumulators
27.33.Z - Manufacture of wiring devices
27.90.Z - Manufacture of other electrical equipment
33.13.Z - Repair and maintenance of electronic and optical equipment
33.20.Z - Installation of industrial machinery and equipment
35.11.Z - Production of electricity from non-renewable sources
35.14.Z - Distribution of electricity
42.22.Z - Construction of utility projects for electricity and telecommunications
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
46.14.Z - Activities of agents involved in the wholesale of machinery, industrial equipment, ships and aircraft
46.19.Z - Activities of agents involved in non-specialised wholesale
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.90.Z - Non-specialised wholesale trade
61.10.Z - Wired telecommunications activities
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
61.30.Z - Satellite telecommunications activities
61.90.Z - Other telecommunications activities
62.01.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
63.91.Z - Web search portal activities
68.10.Z - Buying and selling of own real estate
68.20.Z - Rental and operating of own or leased real estate
68.31.Z - Intermediation service activities for real estate activities
68.32.Z - Management of real estate on a fee or contract basis
70.22.Z - Business and other management consultancy activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
73.11.Z - Activities of advertising agencies
73.20.Z - Market research and public opinion polling
82.30.Z - Organisation of conventions and trade shows
85.60.Z - Educational support activities
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment
95.21.Z - Repair and maintenance of consumer electronics