33.20.Z - Installation of industrial machinery and equipment
43.35.Z - Other building completion and finishing
91.30.Z - Conservation, restoration and other support activities for cultural heritage
81.22.B - Other building and industrial facility cleaning not classified elsewhere
71.12.B - Other activities in the field of engineering and related technical consulting
71.12.A - Activity in the field of geodesy and cartography
68.12.C - Execution of other construction projects
68.12.B - Construction projects related to the erection of non-residential buildings
68.12.A - Construction projects related to the erection of residential buildings
43.99.Z - Other specialised construction activities n.e.c.
43.91.Z - Masonry and bricklaying activities
43.50.Z - Specialised construction activities in civil engineering
43.42.Z - Other specialised construction activities in construction of buildings
43.41.Z - Roofing activities
33.12.Z - Repair and maintenance of machinery
43.29.Z - Other construction installation
43.23.Z - Installation of insulation
43.22.Z - Plumbing, heat and air-conditioning installation
42.99.Z - Construction of other civil engineering projects n.e.c.
41.20.Z - Building works related to erection of residential and non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings
41.00.B - Construction of non-residential buildings
33.19.Z - Repair and maintenance of other equipment
33.18.Z - Repair and maintenance of military fighting vehicles, ships, boats, air and spacecraft
33.15.Z - Repair and maintenance of civilian ships and boats