71.12.Z - Engineering activities and related technical consultancy
33.14.Z - Repair and maintenance of electrical equipment
35.11.Z - Production of electricity from non-renewable sources
35.14.Z - Distribution of electricity
43.21.Z - Electrical installation
43.29.Z - Other construction installation
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
82.11.Z - Office administrative service activities