Core Business Institute sp. z o.o. w likwidacji

85.59.B - Other out-of-school forms of education, not elsewhere classified

18.13.Z - Pre-press and pre-media services

58.11.Z - Book publishing

70.21.Z - Public relations and communication activities

70.22.Z - Business and other management consultancy activities

72.20.Z - Research and experimental development on social sciences and humanities

73.20.Z - Market research and public opinion polling

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

82.99.Z - Other business support service activities not elsewhere classified

85.60.Z - Educational support activities