43.99.Z - Other specialised construction activities not elsewhere classified
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
42.22.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
43.39.Z - Other building completion and finishing
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.90.Z - Non-specialised wholesale trade
47.91.Z - Retail sale via mail order houses or via internet
77.32.Z - Rental and leasing of construction machinery and equipment
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified
81.21.Z - General cleaning of buildings
81.22.Z - Specialised building and industrial cleaning activities
81.29.Z - Other cleaning activities
96.01.Z - Washing and (dry-)cleaning of textile and fur products
