PPHU Zbigniew Kobalczyk

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

33.12.Z - Repair and maintenance of machinery

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

33.14.Z - Repair and maintenance of electrical devices

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

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

47.12.Z - Other non-specialized retail trade

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

47.91.Z - Intermediary retail sale, non-specialized

47.92.Z - Intermediary retail sale, specialized

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