Krzyś Instalacje Krzysztof Wolny

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

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

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

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.13.Z - Performing excavations and geological-engineering drilling

43.24.Z - Installation of other building systems

43.35.Z - Performing other finishing construction works

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