43.99.Z - Other specialised construction activities n.e.c.
81.21.Z - General cleaning of buildings
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
71.11.Z - Architectural activities
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
74.10.Z - Specialised design activities
81.10.Z - Combined facilities support activities
43.32.Z - Joinery installation
81.22.Z - Specialised building and industrial cleaning activities
81.29.Z - Other cleaning activities
81.30.Z - Landscape service activities
82.11.Z - Office administrative service activities
82.99.Z - Other business support service activities not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
93.29.B - Other entertainment and recreational activities not elsewhere classified
96.09.Z - Other personal service activities not elsewhere classified
42.91.Z - Construction of water projects
17.12.Z - Manufacture of paper and paperboard
18.13.Z - Pre-press and pre-media services
41.10.Z - Realization of building projects related to erection of 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
17.11.Z - Manufacture of pulp
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
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.31.Z - Plastering