74.90.Z - Other professional, scientific and technical activities not elsewhere classified
68.20.Z - Rental and operating of own or leased real estate
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
70.22.Z - Business and other management consultancy activities
72.19.Z - Other research and experimental development on natural sciences and engineering
73.11.Z - Activities of advertising agencies
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
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
85.60.Z - Educational support activities
