4
Gas; Liquid gas; Liquefied gas; Gas mixtures; Energy from renewable sources
7
Turbines; hydro turbines; Steam turbines; Gas turbines
35
Publicity and commercial affairs; Business administration; Office functions; Provision of commercial information; Market prospecting, research and analysis; Observation (supervision, management, monitoring services) of the commercial interests of third parties in the sale of electricity, power, gas and other forms of energy; Business and advisory services relating to the purchase of electricity, energy, gas, electricity, telecommunications services and internet services; Checking meter readings of utilities for invoicing; Billing services; Provision of information, advisory and consultancy services, all relating to the aforesaid services
39
Transport; Storage and distribution of gases and liquids; Energy companies, namely transport, storage and distribution of gases, liquids and gases in liquid form, including through pipelines; Providing information and advice in the field of transport, storage and distribution of gases and liquids; Logistic planning relating to transport, storage and distribution of gases and liquids; Supply of energy, consultancy and information services relating to the aforementioned service
40
Generation, production and conversion of energy, gas, hydrogen and electricity; Rental of gas, water and heating installations, appliances and apparatus; Consultancy relating to processing fuels and illuminants