71.12.Z - Engineering activities and related technical consultancy
68.31.Z - Real estate agencies
43.99.Z - Other specialised construction activities not elsewhere classified
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
47.52.Z - Retail sale of hardware, paints and glass in specialised stores
47.91.Z - Retail sale via mail order houses or via internet
47.99.Z - Other retail sale not in stores, stalls or markets
68.10.Z - Buying and selling of own real estate
68.20.Z - Rental and operating of own or leased real estate
43.91.Z - Roofing activities
68.32.Z - Management of real estate on a fee or contract basis
71.11.Z - Architectural activities
71.20.B - Other technical testing and analysis
74.10.Z - Specialised design activities
77.32.Z - Rental and leasing of construction machinery and equipment
82.19.Z - Photocopying, document preparation and other specialised office support activities
91.03.Z - Operation of historical sites and buildings and similar visitor attractions
43.21.Z - Electrical installation
41.20.Z - Building works related to erection of residential and non-residential buildings
42.11.Z - Works related to construction of roads and motorways
42.12.Z - Works related to construction of railways and underground railways
42.13.Z - Works related to construction of bridges and tunnels
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
41.10.Z - Realization of building projects related to erection of buildings
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.31.Z - Plastering
43.32.Z - Joinery installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
