41.20.Z - Building works related to erection of residential and non-residential buildings
43.39.Z - Other building completion and finishing
77.32.Z - Rental and leasing of construction machinery and equipment
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
71.12.Z - Engineering activities and related technical consultancy
68.31.Z - Real estate agencies
47.52.Z - Retail sale of hardware, paints and glass in specialised stores
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.12.Z - Agents involved in the sale of fuels, ores, metals and industrial chemicals
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
42.11.Z - Works related to construction of roads and motorways
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning 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
42.22.Z - Works related to construction of telecommunications and electricity lines
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.13.Z - Works related to construction of bridges and tunnels
