35.11.Z - Generation of electricity from non-renewable sources
35.14.Z - Distribution of electricity
35.21.Z - Generation of gas fuels
35.22.Z - Distribution of gas fuels in a network system
35.23.Z - Trading of gas fuels in a network system
41.10.Z - Construction work related to the construction of residential and non-residential buildings
41.20.Z - Construction work related to the construction of residential and non-residential buildings
42.22.Z - Works related to the construction of telecommunications and electrical lines
42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere
70.22.Z - Head office activities and management consultancy
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane