Szczepan Szczelina

28.23.Z - Manufacture of office machinery and equipment, except computers and peripheral equipment

26.20.Z - Manufacture of computers and peripheral equipment

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

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

43.12.Z - Site preparation

43.22.Z - Plumbing, heat and air-conditioning 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

95.11.Z - Repair and maintenance of computers and peripheral equipment