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