Maciej Wilczyński

62.02.Z - Computer consultancy activities

26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation

43.21.Z - Electrical installation

55.20.Z - Holiday and other short-stay accommodation

58.29.Z - Other software publishing

62.01.Z - Computer programming activities

62.03.Z - Computer facilities management activities

63.11.Z - Data processing, hosting and related activities

72.11.Z - Research and experimental development on biotechnology

72.19.Z - Other research and experimental development on natural sciences and engineering

85.51.Z - Out-of-school forms of sports and leisure education

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