Electrical energy; electrical energy from solar power; electrical energy from wind power; electrical energy from renewable sources; biofuels
Lubricants and FuelsWind-powered electricity generators; electrical generator stations; generators of electricity; power installations [generators]
MachineryAssistance and consultancy services in the field of business management of companies in the energy sector
Advertising and BusinessFinancial consultancy in the energy sector; consultancy concerning financing of energy projects
Insurance and FinancialDrilling of oil, gas, coal, water or other natural sources for production of power and energy products; installation of machinery for generating electricity; erecting manufacturing plants; building construction of plants; building construction; advisory services regarding building construction; installation of industrial plants; maintenance services for industrial plants; construction information; rental of construction, plant and building equipment; building repair; repair or maintenance of power generators; building maintenance and repair; repair services for electric generators and wind turbines
Building Construction and RepairDistribution of energy; electricity distribution; storage of electricity; electricity supply and distribution; distribution and transmission of electricity
Transportation and storageGeneration of power; energy production; leasing of energy generating equipment; processing and refining of oil, gas and natural sources and fuels for production of energy, electricity, cold, heat, air and water; electricity generating; generation of gas and electricity
Treatment of MaterialsResearch in the field of energy; consultancy in the field of energy-saving; advisory services relating to the use of energy; advisory services relating to energy efficiency; developing of integrated energy concepts; professional consultancy relating to saving energy; certification services for the energy efficiency of buildings; technological consulting services in the field of alternative energy sources; professional consultancy relating to energy efficiency in buildings; energy monitoring services for others, namely, recording the level of use and control of electricity used in buildings; construction drafting; engineering services for the design of constructions; technical consultancy services relating to construction engineering; engineering services for the analysis of constructions
Computer and Scientific