94.12.Z - Activities of membership-based professional and vocational organizations
58.11.Z - Publishing of books
58.14.Z - Publishing activities
58.19.Z - Other publishing activities, excluding software publishing
71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts
72.11.Z - Scientific research and development activities
72.19.Z - Scientific research and development activities
82.30.Z - Activities related to organizing fairs, exhibitions, and congresses
85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms
85.60.Z - Educational support activities
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane