74.90.Z - Other professional, scientific and technical activities not elsewhere classified
43.33.Z - Floor and wall covering
77.33.Z - Rental and leasing of office machinery and equipment, including computers
74.10.Z - Specialised design activities
72.19.Z - Other research and experimental development on natural sciences and engineering
71.12.Z - Engineering activities and related technical consultancy
71.11.Z - Architectural activities
62.09.Z - Other information technology and computer service activities
62.01.Z - Computer programming activities
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
43.39.Z - Other building completion and finishing
43.34.Z - Painting and glazing
09.10.Z - Support activities for petroleum and natural gas extraction
43.32.Z - Joinery installation
43.31.Z - Plastering
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
43.12.Z - Site preparation
43.11.Z - Demolition
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
09.90.Z - Support activities for other mining and quarrying
