WITOLD POTOCZNY I S M FIRMA USŁUGOWA

43.23.Z - Installation of insulation

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

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

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

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

43.34.Z - Painting and glazing

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

43.42.Z - Performing other specialized construction works related to the construction of buildings

47.12.Z - Other non-specialized retail trade

47.91.Z - Intermediary retail sale, non-specialized

77.32.Z - Rental and leasing of construction machinery and equipment