IN Smart Zbigniew Matysiak

43.21.Z - Installation of electrical systems

33.12.Z - Repair and maintenance of machinery

33.20.Z - Installation of industrial machinery, equipment, and devices

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

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

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

43.29.Z - Specialized construction works

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

43.91.Z - Masonry works

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

46.90.Z - Non-specialized wholesale trade

47.91.Z - Intermediary retail sale, non-specialized

62.09.Z - Activities related to programming, IT consulting, and related activities

71.12.Z - Engineering activities and related technical consultancy

95.12.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.21.Z - Repair and maintenance of electronic equipment for general use

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

96.09.Z - Individual service activities