43.21.Z - Electrical installation
43.32.Z - Joinery installation
80.20.Z - Security systems service activities
71.20.B - Other technical testing and analysis
71.12.Z - Engineering activities and related technical consultancy
71.11.Z - Architectural activities
47.19.Z - Other retail sale in non-specialised stores
46.90.Z - Non-specialised wholesale trade
43.99.Z - Other specialised construction activities not elsewhere classified
43.39.Z - Other building completion and finishing
43.34.Z - Painting and glazing
43.33.Z - Floor and wall covering
26.11.Z - Manufacture of electronic components
43.31.Z - Plastering
43.29.Z - Other construction installation
43.12.Z - Site preparation
43.11.Z - Demolition
42.21.Z - Works related to construction of transmission pipelines and distribution networks
41.20.Z - Building works related to erection of residential and non-residential buildings
33.20.Z - Installation of industrial machinery and equipment and outfit
33.14.Z - Repair and maintenance of electrical equipment
27.12.Z - Manufacture of electricity distribution and control apparatus
