TECHSYSTEM DARIUSZ ŻEREK

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

41.20.Z - Building works related to erection of residential and non-residential buildings

43.21.Z - Electrical installation

43.22.Z - Plumbing, heat and air-conditioning installation

43.29.Z - Other construction installation

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

46.73.Z - Wholesale of wood, construction materials and sanitary equipment

46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies

46.90.Z - Non-specialised wholesale trade

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