"TEL-MET" MICHAŁ OLSZAŃSKI

43.21.Z - Installation of electrical systems

30.31.Z - Manufacture of civil aircraft, spacecraft, and similar machines

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

33.16.Z - Repair and maintenance of civilian aircraft and spacecraft

33.19.Z - Repair and maintenance of other equipment and installations

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

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

95.10.Z - Repair and maintenance of computers and telecommunications equipment

95.21.Z - Repair and maintenance of electronic equipment for general use