Błażej Kowalczyk

62.01.Z - Activities related to programming, IT consulting, and related activities

26.12.Z - Manufacture of electronic printed circuits

26.20.Z - Manufacture of computers and peripheral equipment

26.40.Z - Manufacture of electronic consumer products

26.51.Z - Manufacture of measuring, controlling, and navigation instruments

26.52.Z - Manufacture of watches and clocks

62.03.Z - Activities related to programming, IT consulting, and related activities

63.11.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services