SGJ Jerzy Grajczyński

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

16.23.Z - Manufacture of other builders' carpentry and joinery

22.23.Z - Manufacture of builders’ ware of plastic

25.12.Z - Manufacture of metal elements of building woodwork

25.62.Z - Mechanical working of metal elements

41.10.Z - Realization of building projects related to erection of buildings

43.11.Z - Demolition

43.12.Z - Site preparation

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

43.29.Z - Other construction installation

43.31.Z - Plastering

43.32.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

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