Wojciech Pisarski

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

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

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