63.11.Z - Data processing, hosting and related activities
62.09.Z - Other information technology and computer service activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
90.03.Z - Artistic creation activities