74.10.Z - Specialised design activities
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.99.Z - Construction of other civil engineering projects n.e.c.
43.39.Z - Other building completion and finishing
43.99.Z - Other specialised construction activities n.e.c.
62.02.Z - Computer consultancy activities
71.11.Z - Architectural activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms