DROG - BRUK BIS Piotr Szczerek

23.61.Z - Production of concrete building products

23.62.Z - Production of gypsum building products

23.63.Z - Production of prefabricated concrete mixtures

23.69.Z - Manufacture of other non-metallic mineral products

23.70.Z - Cutting, shaping, and finishing of stone

25.11.Z - Production of metal constructions and their parts

25.61.Z - Production of cutlery and knives

25.62.Z - Production of locks and hinges

28.92.Z - Manufacture of machinery for mining and construction

33.11.Z - Repair and maintenance of metal products

33.12.Z - Repair and maintenance of machinery

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

33.20.Z - Installation of industrial machinery, equipment, and devices

41.20.Z - Construction work related to the construction of residential and non-residential buildings

42.11.Z - Works related to the construction of roads and highways

42.12.Z - Works related to the construction of railways and underground railways

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

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

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