Maciej Karolewski

42.91.Z - Works related to the construction of water engineering objects

01.61.Z - Service activities supporting crop production

01.62.Z - Service activities supporting animal husbandry

01.63.Z - Post-harvest services and seed processing for plant propagation

08.12.Z - Extraction of gravel, sand, clay, and kaolin

23.61.Z - Production of concrete building products

25.11.Z - Production of metal constructions and their parts

25.51.Z - Coating of metals

25.63.Z - Production of tools

25.91.Z - Production of metal containers

28.30.Z - Manufacture of agricultural and forestry machinery

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

43.24.Z - Installation of other building systems

43.31.Z - Plastering

46.21.A - Wholesale trade of cereals and oilseeds

46.61.Z - Wholesale trade of agricultural machinery and additional equipment

77.31.Z - Rental and leasing of agricultural machinery and equipment

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

81.10.Z - Auxiliary activities related to maintaining buildings

81.21.Z - General cleaning of buildings

81.22.A - Chimney, hearth, furnace, and ventilation duct cleaning

81.22.B - Other cleaning of buildings and industrial premises, not elsewhere classified