41.10.Z - Realization of building projects related to erection of buildings
43.33.Z - Floor and wall covering
95.12.Z - Repair and maintenance of (tele)communication equipment
95.11.Z - Repair and maintenance of computers and peripheral equipment
71.11.Z - Architectural activities
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.51.Z - Wholesale of computers, peripheral equipment and software
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
41.20.Z - Building works related to erection of residential and non-residential buildings
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
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.91.Z - Works related to construction of water projects
