INSTAL-KON KONRAD ZACHARSKI

43.21.Z - Electrical installation

33.14.Z - Repair and maintenance of electrical equipment

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

42.22.Z - Works related to construction of telecommunications and electricity lines

43.12.Z - Site preparation

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

43.29.Z - Other construction installation

43.31.Z - Plastering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

49.41.Z - Freight transport by road

85.51.Z - Out-of-school forms of sports and leisure education