37
Installation of gas pipelines; Installation of plumbing systems; Pipeline laying; Advisory services relating to the installation of heating and cooling apparatus; Gas drilling; Advisory services relating to the construction of public works; Installation of wind power systems; Repair information; Computer and telephone battery recharge services; Maintenance and repair of storage tanks; Maintenance and repair of wave energy power plants; Installation of electrical and generating machinery; Construction consultancy; Hydro-electric factory construction; Construction of underground transport networks; Providing information relating to the repair or maintenance of power generators; Maintenance and repair of oil and gas storage installations; Installation and maintenance of photovoltaic installations; Installation of power generating apparatus; Recharging of batteries and accumulators; Construction of wind power plants; Advisory services relating to the renovation of property; Installation of apparatus for heating; Installation of water supply apparatus; Repair of energy supply installations; Laying of cable; Building construction consultancy; Advisory services relating to the alteration of buildings; Repair of power generating apparatus and installations; Installation of hydropower systems; Maintenance and repair of wind power plants; Repair of heat recovery apparatus; Maintenance, servicing and repair of power generating apparatus and installations; Installation of pipe systems for conducting of liquids; Construction of oil and gas storage installations; Vehicle battery charging; Advisory services relating to the installation of pumps; Construction of wave energy power plants; Construction of geothermal energy installations; Mobile phone battery charging; Advisory services relating to the installation of solid fuel heating systems; Construction of utility solar installations; Advisory services relating to the installation of power plants; Installation of pipe systems for conducting of steam; Mains laying; Construction of power plants; Construction of geothermal community heating installations; Building construction advisory services; Recharging services for electric vehicles; Construction of geothermal heating installations; Repair of energy production plants and machines; Construction of underground storage installations; Installation of environmental engineering systems; Repair of gas supply systems
39
Transportation of fluids by pipeline; Water distribution and supply; Storage of electricity; Public utility services in the nature of natural gas distribution; Water distribution; Transport of fuels by pipeline; Heat supplying [distribution]; Electricity distribution; Transport of natural gas; Storage of gaseous fuels; Water transport services; Pipeline transport of gases; Gas storage services; Distribution of energy for heating and cooling buildings; Transport by pipeline; Electricity supply and distribution; Arrangement of the storage of fuels; Storage of liquids; Distribution of gas; Water supplying; Supply of electricity; Distribution of electricity to households; Arrangement of the transportation of fuels; Distribution by pipeline and cable; Transmission of oil or gas through pipelines; Transport of water by pipeline; Rental of hydrogen cars; Distribution of renewable energy; Distribution of energy; Electricity distribution via cables; Storage of energy and fuels; Gas supplying [distribution]; Transport of liquefied natural gas by sea; Public utility services in the nature of electricity distribution; Transport and distribution of natural gas and liquefied gas; Distribution and transmission of electricity; Leasing the use of power lines to third parties for the transmission of electricity; Distribution of heat; Information and advisory services in relation to the distribution of energy; Services for the supply of water by pipeline
40
Electricity generating; Generation of power; Rental of electricity generators; Fuel refining; Gas production services; Energy production; Processing of gas and oil; Consultancy services relating to the generation of electrical power; Rental of equipment for the treatment and transformation of materials, for energy production and for custom manufacturing; Rental of batteries; Generation of electricity from wind energy; Rental of electrical transformers; Generation of electricity from wave energy; Generation of gas and electricity; Fuel treatment services; Rental of power-generating equipment; Generation of electricity from geothermal energy; Production of energy by power plants; Production of hydroelectric power; Natural gas liquefaction services; Production of electrical power from renewable sources; Leasing of energy generating equipment; Rental of generators; Generation of electricity from solar energy; Generation of electrical power using carbon sequestration
42
Technical planning and consulting in the field of light engineering; Technical advice in connection with energy-saving measures; Engineering services in the field of energy technology; Design and development of regenerative energy generation systems; Technological analysis relating to energy and power needs of others; Consultancy in the field of energy-saving; Provision of information relating to technological research; Technological analysis services; Conducting feasibility studies relative to gas exploitation; Technical design services relating to water supply installations; Technical design services relating to electricity plants; Advisory services relating to industrial engineering; Professional consultancy relating to energy efficiency in buildings; Conducting feasibility studies relative to gas exploration; Provision of information concerning research and technical project studies relating to the use of natural energy; Technical design and planning of pipelines for gas, water and waste water; Advisory services relating to energy efficiency; Advisory services relating to the use of energy; Research in the field of energy; Engineering services; Scientific and industrial research in particular in the field of electricity; Gas exploration; Engineering services relating to energy supply systems; Technical research in the field of carbon offsetting; Consultancy services in the field of technological development; Technological consultancy in the fields of energy production and use; Exploration of gas and oil; Technical project studies in the field of carbon offsetting; Engineering services for the gas industry; Computer programming for the energy industry; Engineering services relating to gas transport and supply systems; Providing technological information about environmentally-conscious and green innovations; Exploration and searching of oil and gas; Design and development of software for control, regulation and monitoring of solar energy systems; Consultancy services relating to technological research; Certification services for the energy efficiency of buildings; Design and development of energy distribution networks; Technical design and planning of power stations; Design and development of energy management software; Electrical engineering services; Technological consulting services in the field of alternative energy generation; Technical consultancy in the field of light engineering; Development of power assemblies; Exploration services to locate gas; Conducting of technical feasibility studies; Advisory services relating to technological research; Design of pipelines; Providing technical advice relating to energy-saving measures; Engineering services in the field of electrical power and natural gas production; Providing information about industrial analysis and research services; Professional consultancy relating to the conservation of energy; Development of energy and power management systems; Technical research; Energy auditing