Jacek Szostak

71.11.Z - Architectural activities

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

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

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

46.49.Z - Wholesale trade of other household articles

47.61.Z - Retail sale of books

47.62.Z - Retail sale of newspapers, periodicals, and paper articles

47.64.Z - Retail sale of games and toys

71.12.Z - Engineering activities and related technical consultancy

73.11.Z - Advertising agency activities

73.20.Z - Market research and public opinion polling

85.51.Z - Non-school forms of sports education and recreational and sports activities

93.11.Z - Sports facility activities

93.19.Z - Sports activities, not elsewhere classified