SerwoMar Marek Krochmal

33.14.Z - Repair and maintenance of electrical devices

23.61.Z - Production of concrete building products

23.62.Z - Production of gypsum building products

23.63.Z - Production of prefabricated concrete mixtures

23.64.Z - Production of mortar

23.65.Z - Production of fiber-reinforced cement

23.66.Z - Production of other concrete, cement, and gypsum products

25.11.Z - Production of metal constructions and their parts

25.22.Z - Production of other tanks, reservoirs, and metal containers

25.40.Z - Forging, pressing, stamping, and powder metallurgy

25.52.Z - Heat treatment of metals

25.53.Z - Mechanical processing of metal parts

33.11.Z - Repair and maintenance of metal products

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

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

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

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

43.32.Z - Installation of building carpentry

43.34.Z - Painting and glazing

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

46.38.Z - Wholesale trade of other food products

46.64.Z - Wholesale trade of other machines and devices

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

46.87.Z - Wholesale trade of waste and scrap

47.78.Z - Retail sale of other new products

47.81.Z - Retail sale of motor vehicles

47.82.Z - Retail sale of parts and accessories for motor vehicles

55.20.Z - Tourist accommodation and short-term accommodation facilities

68.11.Z - Buying and selling real estate on own account

68.20.Z - Rental and management of own or leased real estate

68.31.Z - Real estate brokerage

70.20.Z - Business and management consultancy activities

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

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

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

77.33.Z - Rental and leasing of office machinery and equipment, including computers