ZTEFAN PIOTR STEFAŃSKI

71.12.Z - Engineering activities and related technical consultancy

41.10.Z - Construction work related to the construction of residential and non-residential buildings

41.20.Z - Construction work related to the construction of residential and non-residential buildings

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

43.39.Z - Specialized construction works

43.91.Z - Masonry works

43.99.Z - Other specialized construction works, not classified elsewhere

47.19.Z - Retail trade

47.91.Z - Intermediary retail sale, non-specialized