1
Chemicals used in industry and science, in particular helium, nitrogen and sulphur and solidified gases for industrial purposes; chemical additives for motor fuels; detergent additives to petrol
4
Natural gas and liquefied natural gas, fuels including gaseous and liquid fuels, crude oil; oil derivative products; non-chemical additives to fuel; compressed natural gas (CNG), liquefied natural gas (LNG)
6
Pipelines, tanks for storing fuels, pressure conduits and distributors of metal, including pipes for supplying gas, metal building materials, goods of common metal not included in other classes; ores; pipes and pipelines of metal; pressure gas cylinders and tanks of metal; metal parts for apparatus for liquid and compressed gas, trusses, collars and taps
7
Apparatus for processing petroleum, machines for use in prospecting and exploitation of energy sources, gas generators; machines and machine tools for mining, quarrying and construction; blowing machines for the compression, exhaustion and transport of gases; oil refining machines; pit lifts
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating and drying; gas flow monitors (gas valves); gas-powered apparatus and installations for lighting, heating, generating of steam and hot water, cooking, ventilating, refrigerating and drying; regulating and safety apparatus for gas apparatus and gas pipes; accessories and parts for all the aforesaid apparatus and installations
35
Sale of natural and liquefied natural gas, gaseous and liquid fuels, and crude oil; mediation in the conclusion of commercial transactions and agreements for others in the field of gas distribution and storage; market analysis
37
Construction services; repair; installation services; construction, installation, maintenance and repair of gas transport infrastructure, including pipelines and liquefied gas terminals; repair and maintenance of machinery for mining, quarrying and construction, and consultancy and maintenance relating thereto; services in the field of mining extraction; installation and repair of heating, gas and ventilation installations; vehicle maintenance and repair services; services of petrol stations and autogas stations; services in the field of exploitation of crude oil and natural gas reserves; services in the field of construction and maintenance of pipelines and gas pipelines; construction services for linear constructions, pipelines, electricity, electric-tractions and telecommunications supply lines; consultancy services with respect to the above services
38
Telecommunication services; fixed-line and mobile telephone services; telegraph services; services in the field of data transmission and data teleinformatics; radio communication services
39
Storage, transmission and distribution of natural gas, liquefied natural gas, gaseous and liquid fuels, and crude oil; transport and storage of goods; distribution and transport of fuel, energy, heat, natural gas, liquid gas, crude oil derivatives and gas derivatives; pipelines transport services; services of tankless storage of natural gas and underground waste storage; procurement services for others, in the energy sector
40
Services relating to production of energy; processing of natural gas and crude oil, and products obtained from refining crude oil; manufacture of refining products; fuel production services; heat production services; consultancy services relating to all the aforesaid services
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; engineering services, in particular in the fields of gas transport, supply of gas, heat and energy and the use of natural gas; technical project preparation; technical consultancy with regard to the transport and storage of gases and liquids; energy consultancy; services in the field of research, research projects and scientific and technical tests, engineering, construction and technological design; town planning services