SYLWERIUSZ SIWCZYŃSKI EL-NET SYSTEM

43.21.Z - Installation of electrical systems

25.11.Z - Production of metal constructions and their parts

25.53.Z - Mechanical processing of metal parts

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

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

33.17.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

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

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

43.24.Z - Installation of other building systems

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

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

43.50.Z - Specialized construction works in the field of civil and water engineering

43.60.Z - Intermediation in specialized construction services

43.91.Z - Masonry works

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

46.49.Z - Wholesale trade of other household articles

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

46.64.Z - Wholesale trade of other machines and devices

46.89.Z - Other specialized wholesale trade, not classified elsewhere

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

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

47.54.Z - Retail sale of electrical household appliances

47.55.Z - Retail sale of furniture, lighting equipment, tableware, and other household articles

47.78.Z - Retail sale of other new products

52.25.Z - Logistics activities

52.26.Z - Other support activities for transport

52.31.Z - Freight transport brokerage

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

61.90.A - Activities in other telecommunications fields

61.90.B - Activities in other telecommunications fields

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

77.22.Z - Rental and leasing of other personal and household goods

77.32.Z - Rental and leasing of construction machinery and equipment

77.33.Z - Rental and leasing of office machinery and equipment, including computers

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified

81.23.B - Other cleaning services, not elsewhere classified

82.40.Z - Intermediary activities in business support services, not elsewhere classified

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

84.25.Z - Fire protection

85.32.A - Technical schools