TECH-SYSTEM Jerzy Seroczyński

43.21.Z - Installation of electrical systems

17.12.Z - Production of paper and paperboard

17.22.Z - Production of household, toilet, and sanitary articles

26.11.Z - Manufacture of electronic components

26.12.Z - Manufacture of electronic printed circuits

26.30.Z - Manufacture of (tele)communication equipment

26.40.Z - Manufacture of electronic consumer products

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

27.12.Z - Manufacture of electrical distribution and control apparatus

27.20.Z - Manufacture of batteries and accumulators

27.33.Z - Manufacture of installation equipment

27.40.Z - Manufacture of lighting equipment

27.51.Z - Manufacture of electric household appliances

27.52.Z - Manufacture of non-electric household appliances

27.90.Z - Manufacture of other electrical equipment

28.11.Z - Manufacture of engines and turbines, except aircraft, vehicle, and motorcycle engines

32.13.Z - Manufacture of costume jewelry and similar products

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

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

35.12.B - Solar power

35.12.F - Generation of electricity from other renewable sources

38.22.Z - Energy recovery

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

43.12.Z - Site preparation for construction

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

43.41.Z - Performing roof structures and coverings

43.42.Z - Performing other specialized construction works related to the construction of buildings

43.60.Z - Intermediation in specialized construction services

43.91.Z - Masonry works

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

46.14.Z - Activity of agents involved in wholesale trade of machinery, industrial equipment, ships, and aircraft

46.15.Z - Activity of agents involved in wholesale trade of furniture, household goods, and small metal products

46.16.Z - Activity of agents involved in wholesale trade of textiles, clothing, furs, footwear, and leather goods

46.17.Z - Activity of agents involved in wholesale trade of food, beverages, and tobacco products

46.18.Z - Activity of agents involved in wholesale trade of other specified goods

46.19.Z - Activity of agents involved in wholesale trade of non-specialized goods

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

46.64.Z - Wholesale trade of other machines and devices

46.90.Z - Non-specialized wholesale trade

47.12.Z - Other non-specialized retail trade

47.69.C - Retail sale of other cultural and recreational products, not elsewhere classified

47.71.Z - Retail sale of clothing

47.72.Z - Retail sale of footwear and leather goods

47.75.Z - Retail sale of cosmetics and toiletries

47.78.Z - Retail sale of other new products

47.79.C - Retail sale of other used products

56.30.Z - Beverage serving activities

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

61.90.B - Activities in other telecommunications fields

68.11.Z - Buying and selling real estate on own account

68.12.A - Development of residential building projects

68.12.B - Development of non-residential building projects

68.12.C - Development of building projects

71.20.C - Other technical testing and analysis

73.30.A - Lobbying activities

74.13.Z - Interior design activities

74.14.Z - Other specialized design activities

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

81.30.Z - Landscaping services

82.99.B - Other business support activities, not elsewhere classified

92.00.Z - Activities related to gambling and betting

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

96.99.Z - Other individual services not classified elsewhere