41.20.Z - Building works related to erection of residential and non-residential buildings
41 - Construction of residential and non-residential buildings
42 - Civil engineering
43 - Specialised construction activities
64 - Financial service activities, except insurance and pension funding
66 - Activities auxiliary to financial services and insurance activities
68 - Real estate activities
77 - Rental and leasing activities
81 - Services to buildings and landscape activities
82 - Office administrative, office support and other business support activities