"KALNET" Szymon CEKLARZ

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

26.20.Z - Manufacture of computers and peripheral equipment

33.12.Z - Repair and maintenance of machinery

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

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

47.41.Z - Retail trade

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

70.22.Z - Head office activities and management consultancy

73.11.Z - Advertising agency activities

80.20.Z - Detective and security activities

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms