Szczepan Kowalczyk "ERBUD"

43.34.Z - Painting and glazing

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

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

43.23.Z - Installation of insulation

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.33.Z - Flooring, wallpapering, and cladding of walls

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

43.91.Z - Masonry works

68.12.C - Development of building projects