74.90.Z - Other professional, scientific and technical activities not elsewhere classified
41.20.Z - Building works related to erection of residential and non-residential buildings
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.99.Z - Other specialised construction activities not elsewhere classified
47.78.Z - Other retail sale of new goods 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
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Other technical testing and analysis
81.22.Z - Specialised building and industrial cleaning activities
