ALTECH Janusz Maczała, Zbigniew Maczała

43.21.Z - Installation of electrical systems

25.51.Z - Coating of metals

25.53.Z - Mechanical processing of metal parts

33.11.Z - Repair and maintenance of metal products

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

33.14.Z - Repair and maintenance of electrical devices

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

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

43.24.Z - Installation of other building systems

43.32.Z - Installation of building carpentry

46.43.Z - Wholesale trade of electrical household goods

46.50.Z - Wholesale trade of information and communication technology devices

46.64.Z - Wholesale trade of other machines and devices

47.12.Z - Other non-specialized retail trade

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

47.54.Z - Retail sale of electrical household appliances

47.55.Z - Retail sale of furniture, lighting equipment, tableware, and other household articles

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

71.12.B - Engineering activities and related technical consultancy

74.14.Z - Other specialized design activities

80.09.Z - Other security activities, not elsewhere classified