Silesia Security Lab Dawid Czagan

62.01.Z - Computer programming activities

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

58.11.Z - Book publishing

58.29.Z - Other software publishing

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

71.11.Z - Architectural activities

74.10.Z - Specialised design activities

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

90.03.Z - Artistic creation activities