KRZYSZTOF KOBRZENIECKI

25.11.Z - Production of metal constructions and their parts

25.12.Z - Production of metal doors and windows

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

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

43.42.Z - Performing other specialized construction works related to the construction of buildings

43.91.Z - Masonry works

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

80.01.Z - Detective activities and personal security services

80.09.Z - Other security activities, not elsewhere classified

81.10.Z - Auxiliary activities related to maintaining buildings

81.21.Z - General cleaning of buildings

81.23.B - Other cleaning services, not elsewhere classified

81.30.Z - Landscaping services

82.10.Z - Office administrative support activities, including related services

82.99.B - Other business support activities, not elsewhere classified

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use

95.29.Z - Repair and maintenance of personal and household goods, not elsewhere classified

96.99.Z - Other individual services not classified elsewhere