70.10.Z - Activities of head office and holding companies, excluding financial holding companies
33.14.Z - Repair and maintenance of electrical equipment
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
68.20.Z - Rental and operating of own or leased real estate
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
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
