- Public Institutions and Bureaucrats
- Energy Production, Distribution and Sales Companies
- Investors
- Academics
- Suppliers and Consumers
- Environmental Organizations’ Representatives
- Commercial Attachés’ Offices and Embassies
- Chambers of Commerce and Industry
- R&D and Educational Institutions
- Municipalities
- IT and Software Companies
- Associations, Unions and Foundations
- National and International Organizations
- Companies Serving the Energy Sector
- Energy Cooperatives
- Energy Efficiency Consulting Firms
- Energy Consulting Firms
- Finance and Insurance Companies
- Law Firms
- System Architects, Analysts
- Technical Consultants, Architects
- Contractors and Engineers
- City Planners
- Smart City and Building Engineers
- Renewable Energy Companies
- Natural Gas Distribution Companies
- Telecommunication Companies
- Domestic and Foreign Press Members
- Occupational Health and Safety Specialists
- Logistics Companies
- Energy Storage Companies