71.12.Z - Engineering activities and related technical consultancy
70.22.Z - Business and other management consultancy activities
71.11.Z - Architectural activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.19.Z - Other research and experimental development on natural sciences and engineering
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
82.11.Z - Office administrative service activities
82.99.Z - Other business support service activities not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
96.09.Z - Other personal service activities not elsewhere classified
