WOJCIECH MICHALSKI Warszawska Szkoła Alpinizmu; ARANEA.COM Wojciech Michalski

62.90.Z - Other IT and computer-related services

26.20.Z - Manufacture of computers and peripheral equipment

33.12.Z - Repair and maintenance of machinery

33.13.Z - Repair and maintenance of electronic and optical devices

43.21.Z - Installation of electrical systems

46.50.Z - Wholesale trade of information and communication technology devices

47.40.Z - Retail sale of information and communication technology equipment

61.10.B - Activities in the field of wired, wireless, and satellite telecommunications

61.90.A - Activities in other telecommunications fields

61.90.B - Activities in other telecommunications fields

62.10.B - Programming activities

62.20.A - IT consulting and IT equipment management activities

62.20.B - IT consulting and IT equipment management activities

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

71.12.B - Engineering activities and related technical consultancy

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

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

93.19.Z - Sports activities, not elsewhere classified

95.10.Z - Repair and maintenance of computers and telecommunications equipment