JAB CONSTRUCTION JACEK BŁASZCZYK

43.34.Z - Painting and glazing

25.53.Z - Mechanical processing of metal parts

33.12.Z - Repair and maintenance of machinery

33.13.Z - Repair and maintenance of electronic and optical devices

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

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

43.23.Z - Installation of insulation

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

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

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

43.60.Z - Intermediation in specialized construction services

43.91.Z - Masonry works

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

46.43.Z - Wholesale trade of electrical household goods

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

61.10.B - Activities in the field of wired, wireless, and satellite telecommunications

62.90.Z - Other IT and computer-related services

63.91.Z - Portal and search engine activities

63.92.Z - Other information-related services

68.12.A - Development of residential building projects

74.12.Z - Graphic design and visual communication activities

74.13.Z - Interior design activities

81.10.Z - Auxiliary activities related to maintaining buildings

91.30.Z - Conservation and restoration activities and other supporting activities for cultural heritage

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