Zakład Usługowo-Produkcyjny Piotr Kowalski

25.53.Z - Mechanical processing of metal parts

25.51.Z - Coating of metals

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

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

43.23.Z - Installation of insulation

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

43.91.Z - Masonry works

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

81.21.Z - General cleaning of buildings

81.30.Z - Landscaping services