CERTONIA GROUP SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

23.63.Z - Production of prefabricated concrete mixtures

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

25.53.Z - Mechanical processing of metal parts

43.12.Z - Site preparation for construction

43.42.Z - Performing other specialized construction works related to the construction of buildings

43.50.Z - Specialized construction works in the field of civil and water engineering

46.82.Z - Wholesale trade of metals and metal ores

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

52.26.Z - Other support activities for transport

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