KRZYSZTOF DUSZYŃSKI

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

27.51.Z - Manufacture of electric household appliances

27.52.Z - Manufacture of non-electric household appliances

33.11.Z - Repair and maintenance of metal products

33.14.Z - Repair and maintenance of electrical devices

41.20.Z - Construction work related to the construction of residential and non-residential buildings

43.12.Z - Site preparation for construction

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.39.Z - Specialized construction works

43.99.Z - Other specialized construction works, not classified elsewhere

58.29.Z - Publishing of other software

59.11.Z - Activities related to the production of films, video recordings, and television programs

59.12.Z - Post-production activities related to films, video recordings, and television programs

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

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

62.09.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

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

77.33.Z - Rental and leasing of office machinery and equipment, including computers

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified

95.11.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.21.Z - Repair and maintenance of electronic equipment for general use

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use