SŁAWOMIR IWAŃCZUK

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

42.11.Z - Works related to construction of roads and motorways

43.11.Z - Demolition

43.33.Z - Floor and wall covering

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

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

56.21.Z - Event catering activities

71.20.B - Other technical testing and analysis

81.22.Z - Specialised building and industrial cleaning activities

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