74.90.Z - Other professional, scientific and technical activities not elsewhere classified
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 - Works related to construction of other civil engineering projects not elsewhere classified
43.11.Z - Demolition
43.99.Z - Other specialised construction activities not elsewhere classified
63.99.Z - Other information service activities not elsewhere classified
68.32.Z - Management of real estate on a fee or contract basis
70.22.Z - Business and other management consultancy activities
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
72.19.Z - Other research and experimental development on natural sciences and engineering
74.10.Z - Specialised design activities