Grzegorz Gwizdała

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

43.11.Z - Demolition

43.12.Z - Site preparation

43.13.Z - Test drilling and boring

43.21.Z - Electrical installation

43.39.Z - Other building completion and finishing

43.91.Z - Roofing activities

43.99.Z - Other specialised construction activities not elsewhere classified

81.21.Z - General cleaning of buildings

81.29.Z - Other cleaning activities

81.30.Z - Landscape service activities