Bartłomiej Kowalczyk - Firma Budowlana " Kowalczyk" - Obsługa Budownictwa

41.20.Z - Building works related to erection of residential and non-residential buildings

43.21.Z - Electrical installation

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

43.29.Z - Other construction installation

43.32.Z - Joinery installation

43.33.Z - Floor and wall covering

43.34.Z - Painting and glazing

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

64.99.Z - Other financial service activities, except insurance and pension funding not elsewhere classified

68.31.Z - Real estate agencies

71.12.Z - Engineering activities and related technical consultancy

85.51.Z - Out-of-school forms of sports and leisure education

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