41.10.Z - Realization of building projects related to erection of buildings
25.11.Z - Manufacture of metal structures and parts of structures
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.
43.29.Z - Other construction installation
43.91.Z - Masonry and bricklaying activities
43.99.Z - Other specialised construction activities n.e.c.
68.10.Z - Buying and selling of own real estate
71.12.Z - Engineering activities and related technical consultancy
74.90.Z - Other professional, scientific and technical activities not elsewhere classified