A. PUBLIC SECTOR

• Ministry for the Environment, Physical Planning and Public Works
• Ministry of Rural Development and Food
• Ministry of National Economy
• Δ.Ε.Η. Α.Ε.
• Athens Water Supply and Sewerage Company (EYDAP)
• DEYA of Volos
• Attiko Metro
• Prefecture Fund of Attica
• Prefecture Fund of Sterea Ellada
• Prefecture Fund of Southern Aegean
• Prefecture Fund of Magnisia
• Municipality of Mandra
• Municipality οf Apollonas, Prefecture οf Arcadia
• Municipality of Vrilisia
• Municipality of Halandri
• Municipality οf Glyfada
• Municipality οf Fili
• Municipality οf Argyroypoli

Β. PRIVATE SECTOR

• J&P AVAX
• TITAN Group
• S&B Industrial Minerals s.a.
• Streamlined LTD