Alter Gazy Krzysztof Maciuch

20.11.Z - Manufacture of industrial gases

25.11.Z - Production of metal constructions and their parts

26.11.Z - Manufacture of electronic components

26.20.Z - Manufacture of computers and peripheral equipment

26.30.Z - Manufacture of (tele)communication equipment

26.40.Z - Manufacture of electronic consumer products

26.70.Z - Manufacture of optical instruments, magnetic and optical information carriers, and photographic equipment

27.20.Z - Manufacture of batteries and accumulators

28.23.Z - Manufacture of office machinery and equipment, excluding computers and peripheral equipment

43.21.Z - Installation of electrical systems

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

43.24.Z - Installation of other building systems

43.35.Z - Performing other finishing construction works

46.90.Z - Non-specialized wholesale trade

49.41.Z - Road freight transport

61.10.B - Activities in the field of wired, wireless, and satellite telecommunications

69.20.A - Accounting and bookkeeping activities

77.12.Z - Rental and leasing of trucks

80.09.Z - Other security activities, not elsewhere classified