KRZYSZTOF SZEWCZYK

56.12.Z - Mobile food service activities

22.26.Z - Manufacture of other plastic products

27.40.Z - Manufacture of lighting equipment

27.90.Z - Manufacture of other electrical equipment

31.00.Z - Manufacture of furniture

43.21.Z - Installation of electrical systems

47.55.Z - Retail sale of furniture, lighting equipment, tableware, and other household articles

73.11.Z - Advertising agency activities

77.22.Z - Rental and leasing of other personal and household goods

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified