Clean Instal Piotr Szczepaniak

33.12.Z - Repair and maintenance of machinery

33.19.Z - Repair and maintenance of other equipment and installations

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

43.21.Z - Installation of electrical systems

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

43.24.Z - Installation of other building systems

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use