Danuta Ozga Przedsiębiorstwo Handlowo Usługowo Montażowe "ENERGOSYSTEM".

46.90.Z - Non-specialized wholesale trade

25.11.Z - Production of metal constructions and their parts

25.21.Z - Production of central heating radiators, steam generators, and boilers

25.29.Z - Production of fabricated metal products, excluding machinery and equipment

25.30.Z - Manufacture of weapons and ammunition

25.61.Z - Production of cutlery and knives

25.62.Z - Production of locks and hinges

25.91.Z - Production of metal containers

25.92.Z - Production of packaging from non-ferrous metals

25.93.Z - Production of wire, chains, and springs

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

26.40.Z - Manufacture of electronic consumer products

28.14.Z - Manufacture of other taps and valves

28.21.Z - Manufacture of stoves, furnaces, and other heating appliances for households

28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

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

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

35.30.Z - Generation and supply of steam and air for air-conditioning systems

36.00.Z - Extraction, treatment, and supply of water

38.31.Z - Waste incineration without energy recovery

41.10.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

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

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

43.29.Z - Specialized construction works

46.63.Z - Wholesale trade of machines used in mining, construction, and civil and water engineering

46.69.Z - Wholesale trade

46.73.Z - Wholesale trade of motorcycles and parts and accessories for them

46.74.Z - Wholesale trade

47.19.Z - Retail trade

47.99.Z - Retail trade

49.41.Z - Road freight transport

52.21.Z - Support activities for land transport

62.01.Z - Activities related to programming, IT consulting, and related activities

62.02.Z - Activities related to programming, IT consulting, and related activities

62.03.Z - Activities related to programming, IT consulting, and related activities

62.09.Z - Activities related to programming, IT consulting, and related activities

63.11.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

71.12.Z - Engineering activities and related technical consultancy

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

95.11.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles