42.91.Z - Works related to construction of water projects
43.11.Z - Demolition
77.32.Z - Rental and leasing of construction machinery and equipment
49.41.Z - Freight transport by road
47.52.Z - Retail sale of hardware, paints and glass in specialised stores
46.90.Z - Non-specialised wholesale trade
45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles
43.99.Z - Other specialised construction activities not elsewhere classified
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
02.10.Z - Silviculture and other forestry activities, excluding gathering of forestry products
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
42.11.Z - Works related to construction of roads and motorways
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
02.40.Z - Service activity related to forestry
02.30.Z - Gathering of wild growing forestry products, excluding wood
02.20.Z - Logging