68.20.Z - Rental and operating of own or leased real estate
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
43 - Specialised construction activities
63.99.Z - Other information service activities not elsewhere classified
68.10.Z - Buying and selling of own real estate
68.31.Z - Intermediation service activities for real estate activities
68.32.Z - Management of real estate on a fee or contract basis
81 - Services to buildings and landscape activities
82 - Office administrative, office support and other business support activities
