43.21.Z - Installation of electrical systems
33 - Repair, maintenance, and installation of machinery and equipment
41 - Construction work related to the construction of residential and non-residential buildings
42 - Works related to the construction of civil engineering and water engineering objects
43.21 - Installation of electrical systems
43.22 - Installation of plumbing, heating, and air-conditioning systems
43.29 - Specialized construction works
43.3 - Performing finishing construction works
61 - Telecommunications
45
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane