K.R. SYSTEM ROMAN DŁUŻEWSKI

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

43.21.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

43.33.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

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

46.74.Z - Wholesale trade

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

47.78.Z - Retail sale of other new products

49.41.Z - Road freight transport

68.10.Z - Real estate activities on own account and development of building projects

68.20.Z - Rental and management of own or leased real estate

68.31.Z - Real estate brokerage

68.32.Z - Other real estate activities on behalf of third parties

71.12.Z - Engineering activities and related technical consultancy