Przedsiębiorstwo Usługowe Piotr Demkowski

43.99.Z - Other specialised construction activities not elsewhere classified

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

42.11.Z - Works related to construction of roads and motorways

42.13.Z - Works related to construction of bridges and tunnels

43.11.Z - Demolition

43.91.Z - Roofing activities

47.61.Z - Retail sale of books in specialised stores

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

77.21.Z - Rental and leasing of recreational and sports goods