41.20.Z - Building works related to erection of residential and non-residential buildings
42.13.Z - Works related to construction of bridges and tunnels
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.22.Z - Works related to construction of telecommunications and electricity lines
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.21.Z - Electrical installation
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
47.52.Z - Retail sale of hardware, paints and glass in specialised stores
47.53.Z - Retail sale of carpets, rugs, wall and floor coverings in specialised stores
47.59.Z - Retail sale of furniture, lighting equipment and other household articles in specialised stores
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
80.20.Z - Security systems service activities
