• Ελληνικά Καύσιμα ΑΕ
• VLM (Dutch Association of Suppliers of Environmental Equipment and Technology)
• ΔΕΗ ΑΕ
• Davis Standard
• Nedwind bv
• Μελτέμι Καστρί Α.Ε.
• Vivendi
• Westland Utilities
• Suez Lyonnaise des Eaux, Electrabel, Fabricom
• META Corp

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