POWERSUPPLYSYSTEMS PIOTR ZALEWSKI

33.14.Z - Repair and maintenance of electrical devices

27.11.Z - Manufacture of electric motors, generators, and transformers

27.20.Z - Manufacture of batteries and accumulators

27.31.Z - Manufacture of optical fiber cables

27.32.Z - Manufacture of other electronic and electric wire and cables

27.33.Z - Manufacture of installation equipment

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

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

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

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

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

43.29.Z - Specialized construction works

43.32.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

71.12.Z - Engineering activities and related technical consultancy

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

73.11.Z - Advertising agency activities

73.20.Z - Market research and public opinion polling

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