Jacek Studziński

62.10.B - Programming activities

26.20.Z - Manufacture of computers and peripheral equipment

31.00.Z - Manufacture of furniture

43.32.Z - Installation of building carpentry

47.55.Z - Retail sale of furniture, lighting equipment, tableware, and other household articles

60.39.Z - Other content distribution activities

62.10.A - Programming activities

62.20.A - IT consulting and IT equipment management activities

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

63.10.A - Services related to computing infrastructure, data processing, website management (hosting), and related activities

63.10.B - Services related to computing infrastructure, data processing, website management (hosting), and related activities

63.10.C - Services related to computing infrastructure, data processing, website management (hosting), and related activities

63.10.D - Services related to computing infrastructure, data processing, website management (hosting), and related activities

63.91.Z - Portal and search engine activities

85.51.Z - Non-school forms of sports education and recreational and sports activities

85.59.D - Other non-school forms of education, not classified elsewhere