68.12.A - Construction projects related to the erection of residential buildings
74.13.Z - Interior design activities
43.99.Z - Other specialised construction activities n.e.c.
68.11.Z - Buying and selling of own real estate
68.12.B - Construction projects related to the erection of non-residential buildings
68.12.C - Execution of other construction projects
68.20.Z - Rental and operating of own or leased real estate
71.11.Z - Architectural activities
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
71.20.A - Research and analysis related to food quality
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
71.20.C - Other technical research and analyses
43.91.Z - Masonry and bricklaying activities
74.99.Z - All other professional, scientific and technical activities n.e.c.
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
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
81.30.Z - Landscape service activities
85.51.Z - Sports and recreation education
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
91.22.Z - Historical site and monument activities
91.30.Z - Conservation, restoration and other support activities for cultural heritage
43.12.Z - Site preparation
33.12.Z - Repair and maintenance of machinery
41.00.A - Construction of residential buildings
41.00.B - Construction of non-residential buildings
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
25.51.Z - Coating of metals
43.13.Z - Test drilling and boring
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.23.Z - Installation of insulation
43.24.Z - Other construction installation
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
43.50.Z - Specialised construction activities in civil engineering
