Advertising; Business management; Business administration; Office functions.

Building construction; Repair; Installation services; Machinery installation, maintenance and repair; Boiler cleaning and repair; Burner maintenance and repair.

Telecommunications.

Transport; Packaging and storage of goods; Travel arrangement; Electricity distribution; Distribution of energy.

Treatment of materials; Energy production.

Scientific and technological services and research and design relating thereto; Industrial analysis and research services; Design and development ofcomputer hardware and software.

Advertising; Business management; Business administration; Office functions.

Building construction; Repair; Repair.

Telecommunications.

Transport; Packaging and storage of goods; Travel arrangement.

Treatment of materials.

Scientific and technological services and research and design relating thereto; Industrial analysis and research services; Design and development ofcomputer hardware and software.

Steel cylinders for compressed gas; Metal bottles for compressed gas; Pressure gas cylinders made of metal; Pressure gas cylinders made of metal; Cylinders of metal for use with compressed gas; Cylinders of metal for gas; Metal cylinders for compressed gas or liquids [empty]; Ducts made of metal for trunking conduits for gases; Ducts made of metal for trunking pipes for gases; Containers of metal for liquid gas; Containers made of metal for use in the storage of gases; Seals of metal for preventing leakage of gases; Pressure gas cylinders made of metal; Elbows of metal for connecting gas piping to gas appliances; Metal gas pipe parts; Containers of metal for compressed gas or liquid air; Tanks of metal for the transportation of compressed gases; Tanks of metal for the transportation of liquefied gases; Tanks of metal for the storage of liquefied gases; Tanks of metal for the storage of compressed gases; Gas storage tanks of metal; Metal pipes for liquid and gas transfer; Metal tubes for gas; Metal valves for controlling the flow of gases in pipelines.

Electric soldering apparatus; Compressors for gases; Gas converters; Filters for gases [machines]; Aerators; Inert gas generators [machines]; Gas welding machines; Pumps for the extraction of gases [machines]; Gas-operated soldering irons; Blowing machines for the compression, exhaustion and transport of gases.

Recorded computer software; Protection devices for personal use against accidents.

Friction lighters for igniting gas; Gas lighters; Regulating and safety accessories for gas apparatus; Regulating and safety accessories for gas pipes; Regulating accessories for water or gas apparatus and pipes; Safety accessories for water or gas apparatus and pipes; Feeding apparatus for heating boilers; Gas operated apparatus for cooking; Gas pre-heating apparatus for industrial use; Regulating apparatus for gas pipe installations; Gas operated apparatus for heating; Gas space heaters; Heating apparatus for gaseous fuels; Gas recovery apparatus; Gas cleaners and purifiers; Gas cleaners and purifiers; Gas boilers; Gas boilers [other than parts of machines]; Gas fired boilers for producing domestic hot water; Gas condensers, other than parts of machines; Flues and installations for conveying exhaust gases; Gas scrubbers [parts of gas installations]; Gas operated devices used in cooling; Pressure controllers [regulators] for gas pipes; Gas regulators; Regulating apparatus for gas apparatus; Pressure supervision apparatus [safety apparatus for gas apparatus]; Gas operated devices used in boiling; Gas operated devices used in drying; Gas cleaners and purifiers; Gas cleaners and purifiers; Fuel economisers; Filters for gas extractors; Filters for gases [household or industrial installations]; Gas fired furnaces; Gas fires; Gas ovens; Gas heat generators; Cooling installations for gas; Heating installations for use with gaseous fuels; Gas fired heating installations; Gas fired space heating apparatus; Gas fuelled central heating installations; Gas fired heating installations; Installations for the burning off of gases; Installations for controlling the flow of gases; Processing installations for fuel and nuclear moderating material; Gas cleaners and purifiers; Gas cleaners and purifiers; Installations for the collection of gases; Gas purification installations; Electrostatic precipitators for cleaning gases; Gas cleaners and purifiers; Gas operated apparatus for heating; Reactors for gas-gas reactions; Reactors for gas-solids reactions; Taps [cocks, spigots] faucets [Am] for pipes; Boiler pipes [tubes] for heating installations.

Gas meter reading for billing purposes.

Construction of structures for the storage of natural gas; Construction of structures for the transportation of natural gas; Construction of structures for the production of natural gas; Extraction of gas; Machinery installation, maintenance and repair; Installation of gas supply and distribution apparatus; Installation of gas and water pipelines; Installation of pipe systems for conducting of gases; Beneath ground construction work relating to gas supply mains; Beneath ground construction work relating to gas supply pipes; Plumbing and gas and water installation; Maintenance and repair of gas turbines; Rental of gas or air compressors; Boiler cleaning and repair; Grout reinforcement for gas platforms; Emergency servicing of gas supply apparatus; Repair of gas cylinders; Repair of gas supply systems; Maintenance and repair of gas and electricity installations; Repair or maintenance of gas water heaters; Natural gas refuelling service for motor vehicles; Drilling of deep oil or gas wells; Gas drilling; Oil and gas drilling.

Storage of gaseous fuels; Electricity distribution; Distribution of energy; Distribution of gas; Gas supplying [distribution]; Gas storage services; Gas storage services; Distribution of gas; Storage of liquefied natural gas on ships; Pipeline transport of gases; Transport of liquefied natural gas by sea; Transportation of dry gas; Transport and distribution of natural gas and liquefied gas; Marine transport of liquefied natural gas.

Filtration of gases; Incineration of gases; Petroleum gas liquefaction; Energy production; Generation of gas and electricity; Purification of gases; Refining of gas; Recovery of hydrocarbons from gas; Recycling of chlorofluorocarbon (CFC) containing gases; Recycling of insulating gases from freezers; Recycling of insulating gases from refrigerators; Recycling of insulating gases from air conditioning plant; Gas compression services; Gas production services; Natural gas liquefaction services; Gas production services; Chemical treatment of exhaust gases from fossil fuel combustion; Processing of gas and oil; Gas production services; Treatment of hazardous gases; Processing of dry gas.

Conducting feasibility studies relative to gas exploitation; Conducting feasibility studies relative to gas exploration; Exploration and searching of oil and gas; Geophysical exploration for the oil, gas and mining industries; Monitoring of contaminated land for gas; Technical design and planning of pipelines for gas, water and waste water; Exploration of gas and oil; Geophysical exploration for the gas industry; Exploration services to locate gas; Gas exploration; Engineering services relating to gas transport and supply systems; Engineering services in the field of electrical power and natural gas production; Engineering services for the gas industry; Research in relation to energy sources of all kinds.

Rainwater reservoirs (Non-metallic -); Potable water reservoirs of non-metallic materials; Water tanks of masonry for household purposes; Plastics pipes [rigid] for water; Insulated pipes (Non-metallic -) for water; Non-metallic water pipes [other than parts of sanitary installations]; Water-pipe valves, not of metal or plastic; Non-metallic conduits for water distribution; Non-metallic conduits for water discharge; Water-pipes, not of metal; Water tanks (non-metallic -) [structures].

Water meter reading for billing purposes.

Consultancy in the purchasing of real estate.

Renovating services relating to conduits for water supply; Repair or maintenance of water purifying apparatus; Repair or maintenance of water pollution control equipment; Repair of water supply installations; Repair of water purifying apparatus; Repair of water supply apparatus; Emergency servicing of water supply apparatus; Cleaning by water jetting (Services for -); Cleaning of water supply plumbing; Cleaning of water tanks; Cleaning of drains by high pressure water jetting; Maintenance of water purifying apparatus; Installation of gas and water pipelines; Installation of water softeners; Installation of water supply apparatus; Providing information relating to the repair or maintenance of water purifying apparatus.

Public utilities in the nature of supplying water; Transport of water by pipeline; Water supply; Water distribution; Storage of water in tanks; Supply [transport] of water for agricultural use; Supply of water by pipeline; Supply [transport] of water for domestic use; Supply [transport] of water for industrial use; Services for the supply of water by pipeline; Water distribution and supply; Supply [transport] of water through pipes.

Water treatment and purification; Water treatment and purification; Water treatment [demineralising] services; Waste and/or water treatment services; Rental of water filters; Leasing of water purification equipment; Rental of water and air purification equipment; Rental of water treatment equipment; Providing information relating to water treatment; Desalination of water; Water purification; Demineralisation of water; Air and water conditioning and purification; Water pollution control.

Education services relating to water pollution; Education services relating to water management; Education relating to water safety; Providing courses in the field of water management.

Technical design and planning of pipelines for gas, water and waste water; Monitoring of water quality; Analysis of stream water quality; Water analysis; Environmental testing services to detect contaminants in water; Water quality control services; Technical design and planning of water purification plants.

Rental of water dispensers; Rental of drinking water dispensers.

Rainwater reservoirs (Non-metallic -); Potable water reservoirs of non-metallic materials; Water tanks of masonry for household purposes; Plastics pipes [rigid] for water; Insulated pipes (Non-metallic -) for water; Non-metallic water pipes [other than parts of sanitary installations]; Water-pipe valves, not of metal or plastic; Non-metallic conduits for water distribution; Non-metallic conduits for water discharge; Water-pipes, not of metal; Water tanks (non-metallic -) [structures].

Water meter reading for billing purposes.

Consultancy in the purchasing of real estate.

Renovating services relating to conduits for water supply; Repair or maintenance of water purifying apparatus; Repair or maintenance of water pollution control equipment; Repair of water supply installations; Repair of water purifying apparatus; Repair of water supply apparatus; Emergency servicing of water supply apparatus; Cleaning by water jetting (Services for -); Cleaning of water supply plumbing; Cleaning of water tanks; Cleaning of drains by high pressure water jetting; Maintenance of water purifying apparatus; Installation of gas and water pipelines; Installation of water softeners; Installation of water supply apparatus; Providing information relating to the repair or maintenance of water purifying apparatus.

Public utilities in the nature of supplying water; Transport of water by pipeline; Water supply; Water distribution; Storage of water in tanks; Supply [transport] of water for agricultural use; Supply of water by pipeline; Supply [transport] of water for domestic use; Supply [transport] of water for industrial use; Services for the supply of water by pipeline; Water distribution and supply; Supply [transport] of water through pipes.

Water treatment and purification; Water treatment and purification; Water treatment [demineralising] services; Waste and/or water treatment services; Rental of water filters; Leasing of water purification equipment; Rental of water and air purification equipment; Rental of water treatment equipment; Providing information relating to water treatment; Desalination of water; Water purification; Demineralisation of water; Air and water conditioning and purification; Water pollution control.

Education services relating to water pollution; Education services relating to water management; Education relating to water safety; Providing courses in the field of water management.

Technical design and planning of pipelines for gas, water and waste water; Monitoring of water quality; Analysis of stream water quality; Water analysis; Environmental testing services to detect contaminants in water; Water quality control services; Technical design and planning of water purification plants.

Rental of water dispensers; Rental of drinking water dispensers.

Steel cylinders for compressed gas; Metal bottles for compressed gas; Pressure gas cylinders made of metal; Pressure gas cylinders made of metal; Cylinders of metal for use with compressed gas; Cylinders of metal for gas; Metal cylinders for compressed gas or liquids [empty]; Ducts made of metal for trunking conduits for gases; Ducts made of metal for trunking pipes for gases; Containers of metal for liquid gas; Containers made of metal for use in the storage of gases; Seals of metal for preventing leakage of gases; Pressure gas cylinders made of metal; Elbows of metal for connecting gas piping to gas appliances; Metal gas pipe parts; Containers of metal for compressed gas or liquid air; Tanks of metal for the transportation of compressed gases; Tanks of metal for the transportation of liquefied gases; Tanks of metal for the storage of liquefied gases; Tanks of metal for the storage of compressed gases; Gas storage tanks of metal; Metal pipes for liquid and gas transfer; Metal tubes for gas; Metal valves for controlling the flow of gases in pipelines.

Electric soldering apparatus; Compressors for gases; Gas converters; Filters for gases [machines]; Aerators; Inert gas generators [machines]; Gas welding machines; Pumps for the extraction of gases [machines]; Gas-operated soldering irons; Blowing machines for the compression, exhaustion and transport of gases.

Recorded computer software; Protection devices for personal use against accidents.

Friction lighters for igniting gas; Gas lighters; Regulating and safety accessories for gas apparatus; Regulating and safety accessories for gas pipes; Regulating accessories for water or gas apparatus and pipes; Safety accessories for water or gas apparatus and pipes; Feeding apparatus for heating boilers; Gas operated apparatus for cooking; Gas pre-heating apparatus for industrial use; Regulating apparatus for gas pipe installations; Gas operated apparatus for heating; Gas space heaters; Heating apparatus for gaseous fuels; Gas recovery apparatus; Gas cleaners and purifiers; Gas cleaners and purifiers; Gas boilers; Gas boilers [other than parts of machines]; Gas fired boilers for producing domestic hot water; Gas condensers, other than parts of machines; Flues and installations for conveying exhaust gases; Gas scrubbers [parts of gas installations]; Gas operated devices used in cooling; Pressure controllers [regulators] for gas pipes; Gas regulators; Regulating apparatus for gas apparatus; Pressure supervision apparatus [safety apparatus for gas apparatus]; Gas operated devices used in boiling; Gas operated devices used in drying; Gas cleaners and purifiers; Gas cleaners and purifiers; Fuel economisers; Filters for gas extractors; Filters for gases [household or industrial installations]; Gas fired furnaces; Gas fires; Gas ovens; Gas heat generators; Cooling installations for gas; Heating installations for use with gaseous fuels; Gas fired heating installations; Gas fired space heating apparatus; Gas fuelled central heating installations; Gas fired heating installations; Installations for the burning off of gases; Installations for controlling the flow of gases; Processing installations for fuel and nuclear moderating material; Gas cleaners and purifiers; Gas cleaners and purifiers; Installations for the collection of gases; Gas purification installations; Electrostatic precipitators for cleaning gases; Gas cleaners and purifiers; Gas operated apparatus for heating; Reactors for gas-gas reactions; Reactors for gas-solids reactions; Taps [cocks, spigots] faucets [Am] for pipes; Boiler pipes [tubes] for heating installations.

Gas meter reading for billing purposes.

Construction of structures for the storage of natural gas; Construction of structures for the transportation of natural gas; Construction of structures for the production of natural gas; Extraction of gas; Machinery installation, maintenance and repair; Installation of gas supply and distribution apparatus; Installation of gas and water pipelines; Installation of pipe systems for conducting of gases; Beneath ground construction work relating to gas supply mains; Beneath ground construction work relating to gas supply pipes; Plumbing and gas and water installation; Maintenance and repair of gas turbines; Rental of gas or air compressors; Boiler cleaning and repair; Grout reinforcement for gas platforms; Emergency servicing of gas supply apparatus; Repair of gas cylinders; Repair of gas supply systems; Maintenance and repair of gas and electricity installations; Repair or maintenance of gas water heaters; Natural gas refuelling service for motor vehicles; Drilling of deep oil or gas wells; Gas drilling; Oil and gas drilling.

Storage of gaseous fuels; Electricity distribution; Distribution of energy; Distribution of gas; Gas supplying [distribution]; Gas storage services; Gas storage services; Distribution of gas; Storage of liquefied natural gas on ships; Pipeline transport of gases; Transport of liquefied natural gas by sea; Transportation of dry gas; Transport and distribution of natural gas and liquefied gas; Marine transport of liquefied natural gas.

Filtration of gases; Incineration of gases; Petroleum gas liquefaction; Energy production; Generation of gas and electricity; Purification of gases; Refining of gas; Recovery of hydrocarbons from gas; Recycling of chlorofluorocarbon (CFC) containing gases; Recycling of insulating gases from freezers; Recycling of insulating gases from refrigerators; Recycling of insulating gases from air conditioning plant; Gas compression services; Gas production services; Natural gas liquefaction services; Gas production services; Chemical treatment of exhaust gases from fossil fuel combustion; Processing of gas and oil; Gas production services; Treatment of hazardous gases; Processing of dry gas.

Conducting feasibility studies relative to gas exploitation; Conducting feasibility studies relative to gas exploration; Exploration and searching of oil and gas; Geophysical exploration for the oil, gas and mining industries; Monitoring of contaminated land for gas; Technical design and planning of pipelines for gas, water and waste water; Exploration of gas and oil; Geophysical exploration for the gas industry; Exploration services to locate gas; Gas exploration; Engineering services relating to gas transport and supply systems; Engineering services in the field of electrical power and natural gas production; Engineering services for the gas industry; Research in relation to energy sources of all kinds.