KRZYSZTOF OPAT

41.10.Z - Construction work related to the construction of residential and non-residential buildings

25.11.Z - Production of metal constructions and their parts

25.62.Z - Production of locks and hinges

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

41.20.Z - Construction work related to the construction of residential and non-residential buildings

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.39.Z - Specialized construction works