Dawid Polak

43.12.Z - Site preparation for construction

25.99.Z - Manufacture of other ready-made metal products not elsewhere classified

33.12.Z - Repair and maintenance of machinery

33.20.Z - Installation of industrial machinery, equipment, and devices

43.11.Z - Demolition and destruction of buildings

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

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

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