43.99.Z - Other specialised construction activities not elsewhere classified
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
81.29.Z - Other cleaning activities
81.22.Z - Specialised building and industrial cleaning activities
81.21.Z - General cleaning of buildings
81.10.Z - Buildings service support activities
77.32.Z - Rental and leasing of construction machinery and equipment
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.10.Z - Specialised design activities
71.20.B - Other technical testing and analysis
71.12.Z - Engineering activities and related technical consultancy
62.01.Z - Computer programming activities
47.52.Z - Retail sale of hardware, paints and glass in specialised stores
25.61.Z - Treatment and coating of metals
43.39.Z - Other building completion and finishing
43.34.Z - Painting and glazing
43.33.Z - Floor and wall covering
43.32.Z - Joinery installation
43.31.Z - Plastering
43.29.Z - Other construction installation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.13.Z - Works related to construction of bridges and tunnels
41.20.Z - Building works related to erection of residential and non-residential buildings