Krystian Siebert INSTAL-TECHNIK

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

31.01.Z - Manufacture of office and shop furniture

31.02.Z - Manufacture of kitchen furniture

43.29.Z - Other construction installation

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

46.13.Z - Agents involved in the sale of timber and building materials

46.19.Z - Agents involved in the sale of a variety of goods

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