Techdoc Marcin Chrzanowski

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

23.61.Z - Production of concrete building products

23.62.Z - Production of gypsum building products

25.11.Z - Production of metal constructions and their parts

25.99.Z - Manufacture of other ready-made metal products not elsewhere classified

26.11.Z - Manufacture of electronic components

26.12.Z - Manufacture of electronic printed circuits

26.20.Z - Manufacture of computers and peripheral equipment

26.40.Z - Manufacture of electronic consumer products

27.33.Z - Manufacture of installation equipment

27.90.Z - Manufacture of other electrical equipment

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

33.18.Z - Repair and maintenance of military combat vehicles, ships, boats, aircraft, and spacecraft

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

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

35.11.Z - Generation of electricity from non-renewable sources

35.12.A - Wind power

35.12.B - Solar power

35.12.F - Generation of electricity from other renewable sources

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

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.11.Z - Demolition and destruction of buildings

43.21.Z - Installation of electrical systems

43.24.Z - Installation of other building systems

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

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

46.43.Z - Wholesale trade of electrical household goods

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

46.64.Z - Wholesale trade of other machines and devices

47.40.Z - Retail sale of information and communication technology equipment

47.51.Z - Retail sale of textile products

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

47.77.Z - Retail sale of watches and jewelry

47.81.Z - Retail sale of motor vehicles

59.12.Z - Post-production activities related to films, video recordings, and television programs

59.13.Z - Activities related to the distribution of films and video recordings

59.20.Z - Sound recording and music publishing activities

68.12.A - Development of residential building projects

68.12.B - Development of non-residential building projects

71.12.B - Engineering activities and related technical consultancy

74.20.Z - Photographic activities

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

95.10.Z - Repair and maintenance of computers and telecommunications equipment

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

95.24.Z - Repair and maintenance of furniture and household furnishings

95.25.Z - Repair and maintenance of clocks, watches, and jewelry

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

95.31.A - Mechanical repair and servicing of motor vehicles, excluding motorcycles

95.31.B - Bodywork and paint repair, and maintenance of motor vehicles, excluding motorcycles

95.32.Z - Repair and maintenance of motorcycles

96.99.Z - Other individual services not classified elsewhere