68.12.A - Construction projects related to the erection of residential buildings
43.41.Z - Roofing activities
43.42.Z - Other specialised construction activities in construction of buildings
43.50.Z - Specialised construction activities in civil engineering
43.60.Z - Intermediation service activities for specialised construction services
43.91.Z - Masonry and bricklaying activities
43.99.Z - Other specialised construction activities n.e.c.
68.11.Z - Buying and selling of own real estate
68.12.B - Construction projects related to the erection of non-residential buildings