43.21.Z - Electrical installation
41.00.A - Construction of residential buildings
41.00.B - Construction of non-residential buildings
42.13.Z - Construction of bridges and tunnels
42.22.Z - Construction of utility projects for electricity and telecommunications
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.22.Z - Plumbing, heat and air-conditioning installation
43.23.Z - Installation of insulation
43.24.Z - Other construction installation
43.31.Z - Plastering
43.32.Z - Joinery installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.35.Z - Other building completion and finishing
43.41.Z - Roofing activities
43.42.Z - Other specialised construction activities in construction of buildings
43.50.Z - Specialised construction activities in civil engineering
43.60.Z - Intermediation service activities for specialised construction services
43.91.Z - Masonry and bricklaying activities
43.99.Z - Other specialised construction activities n.e.c.
68.12.A - Construction projects related to the erection of residential buildings
68.12.B - Construction projects related to the erection of non-residential buildings
68.12.C - Execution of other construction projects
81.10.Z - Combined facilities support activities
81.21.Z - General cleaning of buildings
81.22.A - Cleaning of chimneys, fireplaces, stoves, and ventilation ducts
81.22.B - Other building and industrial facility cleaning not classified elsewhere
81.23.A - Service activities related to disinfection, pest control, and rodent control
81.23.B - Other cleaning activities not classified elsewhere
82.10.Z - Office administrative and support activities
91.30.Z - Conservation, restoration and other support activities for cultural heritage
96.91.Z - Provision of domestic personal service activities