68.20.Z - Rental and operating of own or leased real estate
41 - Construction of residential and non-residential buildings
55.10.Z - Hotels and similar accommodation
68.10.Z - Buying and selling of own real estate
71 - Architectural and engineering activities
72.19.Z - Other research and experimental development on natural sciences and engineering
77 - Rental and leasing activities
82.11.Z - Office administrative service activities
82.30.Z - Organisation of conventions and trade shows
82.99.Z - Other business support service activities not elsewhere classified