41.00.A - Construction of residential buildings
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
43.99.Z - Other specialised construction activities n.e.c.
47.40.Z - Retail sale of information and communication equipment
47.92.Z - Intermediation service activities for specialised retail sale
62.20.A - Cybersecurity activities
62.20.B - Other activities related to it consulting and it asset management
62.90.Z - Other information technology and computer service activities
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
71.12.A - Activity in the field of geodesy and cartography
71.12.B - Other activities in the field of engineering and related technical consulting
43.91.Z - Masonry and bricklaying activities
71.20.C - Other technical research and analyses
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.B - Other cleaning activities not classified elsewhere
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
85.59.D - Other non-school forms of education, not elsewhere classified
95.10.Z - Repair and maintenance of computers and communication equipment
96.91.Z - Provision of domestic personal service activities
43.22.Z - Plumbing, heat and air-conditioning installation
42.11.Z - Construction of roads and motorways
42.12.Z - Construction of railways and underground railways
42.13.Z - Construction of bridges and tunnels
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.91.Z - Construction of water projects
42.99.Z - Construction of other civil engineering projects n.e.c.
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.21.Z - Electrical installation
41.00.B - Construction of non-residential buildings
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
