71.11.Z - Architectural activities
43.91.Z - Roofing activities
82.19.Z - Photocopying, document preparation and other specialised office support activities
71.12.Z - Engineering activities and related technical consultancy
47.99.Z - Other retail sale not in stores, stalls or markets
47.91.Z - Retail sale via mail order houses or via internet
47.19.Z - Other retail sale in non-specialised stores
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.18.Z - Agents specialised in the sale of other particular products
43.99.Z - Other specialised construction activities not elsewhere classified
41.10.Z - Realization of building projects related to erection of buildings
43.39.Z - Other building completion and finishing
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
41.20.Z - Building works related to erection of residential and non-residential buildings