Centrum Analiz Branżowych Aleksander Klos

73.11.Z - Advertising agency activities

58.19.Z - Other publishing activities, excluding software publishing

60.39.Z - Other content distribution activities

63.10.D - Services related to computing infrastructure, data processing, website management (hosting), and related activities

63.92.Z - Other information-related services

71.20.C - Other technical testing and analysis

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

73.12.Z - Advertising through mass media

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

85.69.Z - Educational support activities, not classified elsewhere

90.13.Z - Other creative activities