Perspective Krzysztof Trojanowski

74.20.Z - Photographic activities

47.91.Z - Retail sale via mail order houses or via Internet

58.11.Z - Book publishing

58.19.Z - Other publishing activities

59.11.Z - Motion picture, video and television programme production activities

59.12.Z - Motion picture, video and television programme post-production activities

59.20.Z - Sound recording and music publishing activities

62.01.Z - Computer programming activities

63.11.Z - Data processing, hosting and related activities

73.11.Z - Advertising agencies activities

73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (Internet)

74.10.Z - Specialised design activities

85.52.Z - Out-of-school forms of cultural education

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