Research in the field of environmental protection; technical study, research and consulting in the field of rational consumption of energy and production techniques that allow energy saving; providing technical information concerning energy-aware consumption contained in a data bank; research and innovation services in the field of non-polluting and sustainable energy supply; consulting in the field of energy saving.

Business support and consultancy to buying and selling of energy of every description; efficiency expert services; efficiency experts; economic analysis for business purposes; economic forecasting; economic forecasting analysis for business purposes; economic forecasting for business purposes; all the aforementioned relating to energy, energy supply and energy generation; employment bureau services; employment consultancy; facilities management, namely administration, business management, personnel management and recruiting; industrial management assistance; investigation services relating to business; management assistance (commercial or industrial-); management assistance for industrial organisations; market research, studies, analysis and forecasting for energy of every description; procurement of contracts [for others] namely that of energy supply contracts; professional consultancy relating to business management; updating of business information on a computer data base.

Advisory services relating to energy efficiency; advisory services relating to the use of energy; consultancy in the field of energy-saving; energy auditing; professional consultancy relating to energy efficiency in buildings; professional consultancy relating to the conservation of energy; recording data relating to energy consumption in buildings; advisory services relating to industrial design; advisory services relating to industrial engineering; advisory services relating to pollution control; writing of computer software; professional advisory services relating to computer software; professional consultancy relating to computer software; software creation; software design; software development; software engineering; updating of computer software; upgrading of computer software; writing of computer software; advisory services relating to the planning of premises; advisory services relating to the safety of the environment; calculation of fuel systems for engines using gaseous fuels; calculation of fuel systems for engines using liquid fuels; calculation of fuel systems for engines using solid fuels; calculation of low-emission combustion techniques; compilation of environmental information; compilation of information relating to environmental conditions; computer aided design engineering services; computer aided design for manufacturing operations; computer aided design services relating to architecture; computer aided design services relating to building projects; design (industrial-) including plant, equipment and layout design of industrial processes; professional consultancy relating to optimisation of industrial processes; design consultancy; design consultation; design engineering including mechanical and electrical design; design of buildings; design of heating; environmental services, namely consultancy relating to the environment; development of concepts for environmental risk; planning of wastewater and fresh-water installations; technical consultancy in the energy sector; planning regarding energy generation and distribution installations; developing of integrated energy concepts; scientific and industrial research; research and development, in particular in the field of environmental and energy technology; computer programming; technical testing of apparatus, machines and installations; network management, namely installation and maintenance of network systems (software); advisory services for Internet users; database consultancy services; implementation of computer programs in network structures; licensing of software; creating and hosting of webstations; installing webpages on the Internet, for others (webhosting); all the aforesaid services in the field of energy supplying, energy management, energy conservation and energy auditing; architectural project management; engineering project management services; management of scientific research projects; off site building project management; project management [design]; project management [technical support].

Certifying as to the energy efficiency of buildings and all related analysis.

Apparatus for heating, steam generating, refrigerating, ventilating, water supply and sanitary purposes.

Advertising; business management; business advisory services, all the services concerning, in particular, the field of energy; professional business consultancy with regard to the operation of energy installations.

Consultancy in the field of financial sustainability and financing of energy installations and energy supply thereof.

Construction, including consultancy with regard to the construction of energy installations; repair, including consultancy relating to the repair of energy installations; installation services, including consultancy in the field of energy installations; all the services concerning, in particular, the field of electricity and energy; consultancy relating to the maintenance of energy installations.

Supply of electrical energy, gas, water and district heating; storage of energy and fuels; information and consulting services relating to energy distribution management.

Production of energy; processing and transformation of energy, including information and consultancy services relating to the heating, cooling and generating of steam as well as water treatment services; information and consultancy services for electricity production.

Scientific and industrial research; scientific consultancy services relating to energy, particularly energy saving and energy efficiency; engineering work; surveying (engineers' services) in the energy field; technological consultancy services relating to improvement of processes in energy installations; technological consultancy services for the construction of energy installations (construction planning); technological consultancy services for planning of energy installations and energy supply thereof; energy consultancy services.

Hosting a website; providing online information, advisory services and consultancy services in the fields of information technology and of information technology applicable to the energy industry; consultancy and research services in the fields of information technology and of information technology issues applicable to the energy industry; provision of information, advisory and consultancy services relating to information technology in the field of energy.

Installation, repair and maintenance of equipment, namely those relating to solar power and air-conditioning systems.

Education and providing of training, including arranging and conducting of seminars and workshops.

Scientific and technological services and research and design relating thereto; industrial analysis and research, including optimisation of heating systems and energy optimisation; design and development of computer hardware and software.

Repair and installation services, in particular installation and repair of electric apparatus, repair and maintenance of data technology installations, in particular hardware.

Scientific and technological services and research and design relating thereto, in particular engineering, construction drafting.

Testing, troubleshooting and advising in relation to batteries, battery chargers, battery monitoring devices and battery handling equipment.

Testing, troubleshooting and advising in relation to batteries, battery chargers, battery monitoring devices and battery handling equipment.