CWK - SYSTEM ŁUKASZ CIECIERSKI

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

33.14.Z - Repair and maintenance of electrical devices

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

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

43.21.Z - Installation of electrical systems

43.23.Z - Installation of insulation

43.24.Z - Installation of other building systems

43.32.Z - Installation of building carpentry

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

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

43.91.Z - Masonry works

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

46.43.Z - Wholesale trade of electrical household goods

46.64.Z - Wholesale trade of other machines and devices

47.12.Z - Other non-specialized retail trade

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

47.79.C - Retail sale of other used products

47.91.Z - Intermediary retail sale, non-specialized

60.39.Z - Other content distribution activities

73.11.Z - Advertising agency activities

73.12.Z - Advertising through mass media

73.20.Z - Market research and public opinion polling

73.30.B - Other public relations and communications activities

81.21.Z - General cleaning of buildings

81.22.A - Chimney, hearth, furnace, and ventilation duct cleaning

81.22.B - Other cleaning of buildings and industrial premises, not elsewhere classified

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use