JEŻ Marian Jeżewski

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

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

58.19.Z - Other publishing 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

70.22.Z - Business and other management consultancy activities

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

82.30.Z - Organisation of conventions and trade shows