KRZYSZTOF WIŚNIEWSKI GAZ - TECHNIK

33.11.Z - Repair and maintenance of fabricated metal products

33.14.Z - Repair and maintenance of electrical equipment

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

42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified

43.21.Z - Electrical installation

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

43.29.Z - Other construction installation

43.39.Z - Other building completion and finishing

43.99.Z - Other specialised construction activities not elsewhere classified

45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles

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

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

49.41.Z - Freight transport by road

71.20.B - Other technical testing and analysis

80.20.Z - Security systems service activities

81.21.Z - General cleaning of buildings