Jan Mazur-Czajka G&J ComBud

43.21.Z - Installation of electrical systems

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.34.Z - Painting and glazing

43.35.Z - Performing other finishing construction works

47.55.Z - Retail sale of furniture, lighting equipment, tableware, and other household articles