4 Gas; diesel oil; oil gas; oil; natural gas; fuels.
35 Professional business consultancy; office functions; economic consultancy in the field of the generation, procurement, transport, storage and use of energy;economic consultancy for supply companies, including management consultancy;management of supply companies;business management, namely operational management of installations for the generation, forwarding, storage or delivery of energy or fuels;arranging contracts with electricity, gas and oil suppliers;procurement services, for others;consultancy with regard to energy and derivatives trading and energy markets;cost-price analysis;invoicing services.
36 Insurance; financial affairs; monetary affairs; financial consulting services; consultancy with regard to financial risks and risk management;acquisition, handling and hedging of gas, oil and futures transactions; insurance consultancy; trading in derivatives;trading in emissions certificates.
39 Storage, transport, forwarding, distribution and delivery of electrical energy, gas, oil, heat, water and fuels;supplying others with electrical energy, gas, oil, heat, water and fuels; transport; services for the storage of goods.
40 Production of energy; processing of fuels; electricity generation; generation and conditioning of gas;generation of oil, heat, water and fuels.
42 Scientific and technological services; Software design and software development; analysis for the extraction, acquisition, storage, transport and sale of petroleum and natural gas; engineering; providing of expertise; technical project studies; technical consultancy with regard to energy production, processing and consumption, and energy transport;development services in the field of the transport, storage and consumption of gas; EDP consultancy; consultation in environment protection.