71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts
35.11.Z - Generation of electricity from non-renewable sources
35.12 - Generation of electricity from renewable sources
41.20.Z - Construction work related to the construction of residential and non-residential buildings
42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere
52.10.B - Warehousing and storage of other goods
68 - Real estate activities
71.12 - Engineering activities and related technical consultancy