JAN CHROMIŃSKI Jan Chromiński F.H.U. MAGNUM

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

23.61.Z - Production of concrete building products

23.63.Z - Production of prefabricated concrete mixtures

23.64.Z - Production of mortar

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

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

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

42.13.Z - Works related to the construction of bridges and tunnels

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.29.Z - Specialized construction works

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

47.19.Z - Retail trade

47.30.Z - Retail trade of fuel for motor vehicles

47.78.Z - Retail sale of other new products

47.99.Z - Retail trade

49.41.Z - Road freight transport

52.10.B - Warehousing and storage of other goods

77.11.Z - Rental and leasing of passenger cars and light motor vehicles

77.12.Z - Rental and leasing of trucks

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

45.11.Z

45.19.Z

45.20.Z

45.31.Z

45.32.Z