S.M.B. Grzegorz Derejczyk

46.83.Z - Wholesale trade of wood, construction materials, and sanitary equipment

43.12.Z - Site preparation for construction

43.31.Z - Plastering

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

43.34.Z - Painting and glazing

43.41.Z - Performing roof structures and coverings

43.91.Z - Masonry works

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

46.81.Z - Wholesale trade of solid, liquid, gas fuels and derived products

46.84.Z - Wholesale trade of metal products and hydraulic and heating equipment and accessories

46.85.B - Other wholesale trade of chemical products

47.12.Z - Other non-specialized retail 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

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

77.32.Z - Rental and leasing of construction machinery and equipment