IT.EL. KRZYSZTOF KRUSZYK,

43.21.Z - Electrical installation

46.37.Z - Wholesale of coffee, tea, cocoa and spices

46.90.Z - Non-specialised wholesale trade

47.11.Z - Retail sale in non-specialised stores with food, beverages or tobacco predominating

47.91.Z - Retail sale via mail order houses or via Internet

61.10.Z - Wired telecommunications activities

61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities

61.90.Z - Other telecommunications activities

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

95.11.Z - Repair and maintenance of computers and peripheral equipment

95.12.Z - Repair and maintenance of (tele)communication equipment