CENTRUM PROMOCJI I ROZWOJU INICJATYW OBYWATELSKICH "OPUS"

72.20.Z - Scientific research and development in social sciences and humanities

58.19.Z - Other publishing activities, excluding software publishing

69.20.Z - Accounting, bookkeeping and tax consultancy

70.22.Z - Head office activities and management consultancy

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

85.59.Z - Other non-school forms of education, not classified elsewhere

94.99.Z - Activities of other membership organizations, not elsewhere classified