JAN WÓJCIK ERGO-AUDYT

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

09.10.Z - Service activities incidental to petroleum and natural gas extraction

09.90.Z - Service activities incidental to other mining and quarrying

24.54.A - Casting of copper and copper alloys

25.11.Z - Production of metal constructions and their parts

25.12.Z - Production of metal doors and windows

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

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

28.13.Z - Manufacture of other pumps and compressors

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

28.25.Z - Manufacture of industrial refrigeration, ventilation, and air-conditioning equipment

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

31.01.Z - Manufacture of furniture

31.02.Z - Manufacture of furniture

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

33.19.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.Z - Generation of electricity from renewable sources

35.13.Z - Transmission of electricity

35.14.Z - Distribution of electricity

35.21.Z - Generation of gas fuels

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

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

41.10.Z - Construction work related to the construction of residential and non-residential buildings

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

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

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.39.Z - Specialized construction works

43.91.Z - Masonry works

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

46.12.Z - Activity of agents involved in wholesale trade of fuels, ores, metals, and industrial chemicals

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

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

46.74.Z - Wholesale trade

47.99.Z - Retail trade

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

72.19.Z - Scientific research and development activities

74.10.Z - Specialized design activities

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