74.99.Z - All other professional, scientific and technical activities n.e.c.
68.12.A - Construction projects related to the erection of residential buildings
85.69.Z - Educational support activities n.e.c.
85.60.Z - Educational support activities
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
80.20.Z - Security systems service activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.10.Z - Specialised design activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
71.12.B - Other activities in the field of engineering and related technical consulting
71.11.Z - Architectural activities
70.22.Z - Business and other management consultancy activities
70.20.Z - Business and other management consultancy activities
33.11.Z - Repair and maintenance of fabricated metal products
66.21.Z - Risk and damage evaluation
63.99.Z - Other information service activities not elsewhere classified
43.99.Z - Other specialised construction activities n.e.c.
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
41.10.Z - Realization of building projects related to erection of buildings
33.19.Z - Repair and maintenance of other equipment
33.14.Z - Repair and maintenance of electrical equipment
33.13.Z - Repair and maintenance of electronic and optical equipment
33.12.Z - Repair and maintenance of machinery