Krystian Wierzbicki

43.22.Z - Plumbing, heat and air-conditioning installation

43.31.Z - Plastering

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.99.Z - Other specialised construction activities not elsewhere classified

46.73.Z - Wholesale of wood, construction materials and sanitary equipment

46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies

47.19.Z - Other retail sale in non-specialised stores

52.10.B - Warehousing and storage of other goods

71.12.Z - Engineering activities and related technical consultancy

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

77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified

85.59.B - Other out-of-school forms of education, not elsewhere classified