Public Sector International
- European Agency for Reconstruction
- Ministry of Transport, Republic of Bulgaria
- Serbian Railways (ZS)
- NDIA, New Doha International Airport Steering Committee, Doha Qatar
- DG Information Society
- European Commission
- Ministry of Communications and Public Works, Republic of Cyprus
Ministries (Greece)
- Ministry of Infrastructure, Transport and Networks, Greece
- Ministry of Development, Greece
- Ministry of Environment, Urban Planning & Public Works, Greece
- Ministry of Transport and Communications, Greece
- Ministry of Economy and Economics, Greece
Local Authorities (Greece)
- Regional Administration of Peloponnese, Greece
- Regional Administration of Northern Aegean, Greece
- Regional Administration of Crete, Greece
- Prefecture of Cyclades, Greece
- Prefecture of Chios, Greece
- Municipality of Laureotiki, Greece
- Municipality of Messini, Greece
- Municipality of Hellinikon, Greece
Public Organisations (Greece)
- Hellenic Railways Organization (OSE)
- ATTIKO METRO SA, Greece
- ERGOSE SA, Greece
- Athens Urban Transport Organisation SA (OASA)
- Egnatia Odos SA, Greece
- Greek National Tourism Organization
- Volos Port Authority, Greece
- Organization for the Construction of the New Acropolis Museum
Banks
- Alpha Bank
- EFG Eurobank Ergasias
- National Bank of Greece
- BNP Paribas
- Bank of Cyprus
Private Firms
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ELLAKTOR Group of Companies
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J&P-AVAX Group of Companies
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VINCI Construction
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HOCHTIEF
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Hill International
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PARSONS
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Cansult Maunsell /AECOM
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ICT (International Capital Trading LLC), Abu Dhabi, UAE
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BUNYA, Abu Dhabi, UAE
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Mouchel Abu Dhabi, UAE
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Limassol Marina Ltd, Cyprus
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POYRY Group
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SETEC Group, France
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Euroestudios, Spain
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HIGH-POINT RENDEL, UK
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INGEROP, France
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Steer Davies Gleave, UK
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STIB, Belgium
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Trunsurb Technirail, Belgium
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BP HELLAS SA