Michał Borowy

52.23.Z - Support activities for air transport

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

33.13.Z - Repair and maintenance of electronic and optical devices

33.14.Z - Repair and maintenance of electrical devices

33.16.Z - Repair and maintenance of civilian aircraft and spacecraft

33.17.Z - Repair and maintenance of other civil transport equipment

33.19.Z - Repair and maintenance of other equipment and installations

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

43.21.Z - Installation of electrical systems

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

43.29.Z - Specialized construction works

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

43.91.Z - Masonry works

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

70.22.Z - Head office activities and management consultancy

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified

45.20.Z