68.10.Z - Buying and selling of own real estate
58.1 - Publishing of books, newspapers and other publishing activities, except software publishing
62.09.Z - Other information technology and computer service activities
68.20.Z - Rental and operating of own or leased real estate
68.32.Z - Management of real estate on a fee or contract basis
72.1 - Research and experimental development on natural sciences and engineering
77.3 - Rental and leasing of other machinery, equipment and tangible goods
77.4 - Leasing of intellectual property and similar products, except copyrighted works
82.30.Z - Organisation of conventions and trade shows
82.99.Z - Other business support service activities not elsewhere classified
