P. W. PAWEŁ KOWALCZYK

43.99.Z - Other specialized construction works, not classified elsewhere

33.12.Z - Repair and maintenance of machinery

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

42.91.Z - Works related to the construction of water engineering objects

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

43.32.Z - Installation of building carpentry

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

43.35.Z - Performing other finishing construction works

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