WTKA KRZYSZTOF TOMASZCZYK

61.20.Z - Activities related to the resale of telecommunications services and telecommunications mediation

26.20.Z - Manufacture of computers and peripheral equipment

46.51.Z - Wholesale trade

46.52.Z - Wholesale trade

47.19.Z - Retail trade

47.41.Z - Retail trade

47.42.Z - Retail trade

47.91.Z - Intermediary retail sale, non-specialized

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

61.30.Z - Telecommunications

61.90.Z - Activities in other telecommunications fields

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

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

66.19.Z - Other activities supporting financial services, excluding insurance and pension funds

66.29.Z - Activities supporting insurance and pension funds, not elsewhere classified

70.22.Z - Head office activities and management consultancy

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

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