42.21.Z - Works related to construction of transmission pipelines and distribution networks
43.13.Z - Test drilling and boring
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
71.12.Z - Engineering activities and related technical consultancy
47.91.Z - Retail sale via mail order houses or via internet
46.90.Z - Non-specialised wholesale trade
43.91.Z - Roofing activities
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
22.23.Z - Manufacture of builders’ ware of plastic
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.22.Z - Works related to construction of telecommunications and electricity lines
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
37.00.Z - Sewage disposal and treatment
22.29.Z - Manufacture of other plastic products