70.10.Z - Activities of head office and holding companies, excluding financial holding companies
70.22.Z - Business and other management consultancy activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.33.Z - Rental and leasing of office machinery, equipment and computers
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment
96.09.Z - Other personal service activities not elsewhere classified
