25.12.Z - Manufacture of metal elements of building woodwork
25.99.Z - Manufacture of other fabricated metal products 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
43.11.Z - Demolition
43.12.Z - Site preparation
43.32.Z - Joinery installation
43.99.Z - Other specialised construction activities not elsewhere classified
71.12.Z - Engineering activities and related technical consultancy
72.19.Z - Other research and experimental development on natural sciences and engineering