Management of business affairs relating to energy, namely, natural gas and electricity; consultancy, information or clarification on business dealings with local authorities, companies, artisans or individuals in the field of energy, environmental protection or sustainable development; business consultancy for others with a view to improving and controlling energy consumption or in the field of sustainable development; consultancy and commercial information on energy consumption, with or without carrying out tariff simulations and consumption forecasts; analysis of the cost price of installations that work with all types of energy, specifically with a view to improving and controlling energy consumption; business expertise in the field of environmental protection, new energy and sustainable development; studies and market research in the field of environmental protection, new energies and sustainable development; management of computer files in the field of energy, environmental protection or sustainable development; search of information in computer files for others in the field of energy, environmental protection or sustainable development; promotion, on behalf of third parties, of products that can be used with all types of energy; product demonstration with a view to improving and controlling energy consumption; energy sales services; import and export agency in the field of natural gas and liquefied gas; statistical information in the field of the management of industrial installations and energy installations; business consultancy services in the field of energy and fluids, provided through call centers and telephone help lines