SIEMIENIAKA ARKADIUSZ ARSI SYSTEM

43.21.Z - Installation of electrical systems

26.30.Z - Manufacture of (tele)communication equipment

27.12.Z - Manufacture of electrical distribution and control apparatus

28.93.Z - Manufacture of machinery used in food processing, tobacco processing, and beverage production

28.95.Z - Manufacture of machinery for the paper industry

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

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

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

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

42.22.Z - Works related to the construction of telecommunications and electrical lines

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

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

43.23.Z - Installation of insulation

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

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

46.43.Z - Wholesale trade of electrical household goods

46.47.Z - Wholesale trade of furniture for home, office, and shop use, carpets, and lighting equipment

46.50.Z - Wholesale trade of information and communication technology devices

46.64.Z - Wholesale trade of other machines and devices

46.86.Z - Wholesale trade of other semi-finished products

47.12.Z - Other non-specialized retail trade

49.41.Z - Road freight transport

61.10.A - Activities in the field of wired, wireless, and satellite telecommunications

61.10.B - Activities in the field of wired, wireless, and satellite telecommunications

61.20.Z - Activities related to the resale of telecommunications services and telecommunications mediation

61.90.A - Activities in other telecommunications fields

61.90.B - Activities in other telecommunications fields

62.20.A - IT consulting and IT equipment management activities

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

80.09.Z - Other security activities, not elsewhere classified

81.22.A - Chimney, hearth, furnace, and ventilation duct cleaning

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

81.23.A - Disinfection, pest control, and rodent extermination services

81.23.B - Other cleaning services, not elsewhere classified

96.99.Z - Other individual services not classified elsewhere