JK-tech Krzysztof Jankowski

71.12.Z - Engineering activities and related technical consultancy

32.12.Z - Manufacture of jewelry and similar products

32.99.Z - Production of other products not classified elsewhere

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

42.11.Z - Works related to the construction of roads and highways

42.12.Z - Works related to the construction of railways and underground railways

42.13.Z - Works related to the construction of bridges and tunnels

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

43.21.Z - Installation of electrical systems

43.32.Z - Installation of building carpentry

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

43.39.Z - Specialized construction works

43.91.Z - Masonry works

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

46.43.Z - Wholesale trade of electrical household goods

47.19.Z - Retail trade

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

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

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

71.11.Z - Architectural activities

74.10.Z - Specialized design activities

74.20.Z - Photographic activities

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

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

95.21.Z - Repair and maintenance of electronic equipment for general use

95.24.Z - Repair and maintenance of furniture and household furnishings

95.29.Z - Repair and maintenance of personal and household goods, not elsewhere classified

96.09.Z - Individual service activities