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
42.11.Z - Works related to construction of roads and motorways
42.12.Z - Works related to construction of railways and underground railways
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
43.91.Z - Roofing activities
43.99.Z - Other specialised construction activities not elsewhere classified
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
47.52.Z - Retail sale of hardware, paints and glass in specialised stores
47.71.Z - Retail sale of clothing in specialised stores
68.10.Z - Buying and selling of own real estate
68.20.Z - Rental and operating of own or leased real estate
81.22.Z - Specialised building and industrial cleaning activities
