JK - INSTALATOR Krzysztof Jakubowski

43.21.Z - Electrical installation

43.99.Z - Other specialised construction activities not elsewhere classified

46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof

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

47.99.Z - Other retail sale not in stores, stalls or markets

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

80.20.Z - Security systems service activities