OWN ENERGY Maciej Boczar

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

18.12.Z - Other printing

25.61.Z - Treatment and coating of metals

25.99.Z - Manufacture of other fabricated metal products not elsewhere classified

43.11.Z - Demolition

43.12.Z - Site preparation

43.21.Z - Electrical installation

43.29.Z - Other construction installation

43.31.Z - Plastering

43.32.Z - Joinery installation

43.33.Z - Floor and wall covering

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

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

47.89.Z - Retail sale via stalls and markets of other goods

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

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

71.20.B - Other technical testing and analysis

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