BOGUSŁAW CHWAŁ

43.99.Z - Other specialized construction works, not classified elsewhere

23.20.Z - Production of refractory products

23.70.B - Production of other stone products and cutting, shaping, and finishing of stone

31.00.Z - Manufacture of furniture

33.11.Z - Repair and maintenance of metal products

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.23.Z - Installation of insulation

43.24.Z - Installation of other building systems

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

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

49.42.Z - Moving services

68.12.A - Development of residential building projects

68.12.B - Development of non-residential building projects

81.10.Z - Auxiliary activities related to maintaining buildings

81.21.Z - General cleaning of buildings

81.22.B - Other cleaning of buildings and industrial premises, not elsewhere classified

81.30.Z - Landscaping services

95.24.Z - Repair and maintenance of furniture and household furnishings