74.90.Z - Other professional, scientific and technical activities not elsewhere classified
63.99.Z - Other information service activities not elsewhere classified
68.20.Z - Rental and operating of own or leased real estate
70.10.Z - Activities of head office and holding companies, excluding financial holding companies
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
72.19.Z - Other research and experimental development on natural sciences and engineering
77.11.Z - Rental and leasing of passenger cars and light motor vehicles, including motorcycles
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods n.e.c.
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
