AB-SYSTEM Marcin Rumpczyk

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

26.30.Z - Manufacture of(tele)communication equipment

33.12.Z - Repair and maintenance of machinery

33.20.Z - Installation of industrial machinery and equipment and outfit

43.21.Z - Electrical installation

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

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

61.90.Z - Other telecommunications activities

62.09.Z - Other information technology and computer service activities

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