35.14.Z - Distribution of electricity
33.14.Z - Repair and maintenance of electrical devices
33.20.Z - Installation of industrial machinery, equipment, and devices
35.11.Z - Generation of electricity from non-renewable sources
35.12.Z - Generation of electricity from renewable sources
35.13.Z - Transmission of electricity
35.23.Z - Trading of gas fuels in a network system
35.30.Z - Generation and supply of steam and air for air-conditioning systems
42.21.Z - Works related to the construction of transmission pipelines and distribution networks
42.22.Z - Works related to the construction of telecommunications and electrical lines
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane