42.22.Z - Construction of utility projects for electricity and telecommunications
43.32.Z - Joinery installation
85.59.D - Other non-school forms of education, not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
74.99.Z - All other professional, scientific and technical activities n.e.c.
71.12.B - Other activities in the field of engineering and related technical consulting
71.11.Z - Architectural activities
70.20.Z - Business and other management consultancy activities
68.12.C - Execution of other construction projects
68.12.B - Construction projects related to the erection of non-residential buildings
68.12.A - Construction projects related to the erection of residential buildings
43.99.Z - Other specialised construction activities n.e.c.
43.41.Z - Roofing activities
43.34.Z - Painting and glazing
43.33.Z - Floor and wall covering
41.00.A - Construction of residential buildings
43.31.Z - Plastering
43.24.Z - Other construction installation
43.23.Z - Installation of insulation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Construction of other civil engineering projects n.e.c.
42.21.Z - Construction of utility projects for fluids
42.12.Z - Construction of railways and underground railways
42.11.Z - Construction of roads and motorways
41.00.B - Construction of non-residential buildings
