• ANCA S.A.
• ADK S.A
• Aristotle University of Thessaloniki
• AS Commercial Ind. Company of Computer & Games S.A
• BALKAN EXPORT S.A.
• BEOLAND
• BIOTA S.A
• Cable & Wireless
• CECIL
• CEN/ISSS
• CINTRA – DRAGADOS CONCESSIONES – GEK GROUP
• DELCAN INTERNATIONAL LIMITED
• DELTA S.A.
• DENCO Development & Engineering Consultants Ltd
• DETORAKIS AEBE
• Development Agency of North – West Thessaloniki S.A
• DIALMAR NAUTILIAKI L.L.C.
• DOTSOFT
• East Macedoria and Thraki Region, Direction of Transportation Projects
• EGNATIA ODOS S.A
• ELLASTIR NAFTIKH S.A.
• ETVA S.A
• EUROCONSULTANTS S.A.
• Eurodynamics
• EUROPARKING AE
• European Commission General Directorate (Energy & Transport,Information Society,VII,VIII,XIII,XVIII,I,Environment(LIFE02),Training & Culture)
• European Investment Bank
• Federation of Industries of Northern Greece
• FEDON S.A.
• Fraunhofer-Gesellschaft – IFF
• GAIA OSE S.A.
• General Secretariat for Industry
• General Secretariat for Research & Technology
• GEOANALISIS S.A.
• GRAND MASOUTIS S.A.
• Hellenic Civil Aviation Authority (HCAA)
• HELLENIC MINISTRY FOR THE ENVIRONMENT, PHYSICAL PLANNING AND PUBLIC WORKS / D3
• Hellenic Ministry of Transport and Telecommunications
• Herakleion Port Authority
• IKTINOS Ltd
• IMC Ltd
• INTERBALKAN AND BLACK SEA BUSINESS CENTER S.A – DIPEK
• INTERREG III B (2000 -2006) CADSES
• INTERURBAN KTEL DRAMA S.A.
• INTERURBAN KTEL KERKIRAS
• INTERURBAN KTEL LARISSAS
• INTERURBAN KTEL MESSINIAS
• INTERURBAN KTEL SERRES
• INTERURBAN KTEL THESSALONIKIS S.A
• ITALIAN MINISTRY of INFRASTRUCTURE and TRANSPORTS
• KANTOR S.A.
• KRI KRI D.O.O
• Macedonian Company of Technical Studies S.A.
• MEDCARGO S.A
• METHODOS TECHNIKI S.A.
• Ministry for Labour and Employment – HORIZON
• Ministry of Aegean
• MINISTRY OF COMMUNICATIONS AND WORKS-MERCHANT SHIPPING DEPARTMENT OF LEMESOS
• Ministry of Development
• Ministry of Employment and Social Protection
• Ministry of Environment Physical Planning and Public Works – ΕPΟΑΛΑΑ
• Ministry of Environment Physical Planning and Public Works D3 of GGDE
• Ministry of Mercantile Marine
• Ministry of National Economy
• MSC S.A.
• Municipality of Agrinion
• Municipality of Arnea
• Municipality of Melissia
• MUNICIPALITY OF NEAPOLIS
• Municipality of Oreokastro
• Municipality of Panagia
• MUNICIPALITY OF PAXOI
• Municipality of Thessaloniki
• MUNICIPALITY OF THESSALONIKI
• Municipality of Trikkaion
• Municipality of Xanthi
• National Institution for the Rehabilitation of Handicapped
• National Technical University of Athens
• National Transport Research Center in Eastern Mediterranean
• NESTOR TZOURDAS S.A
• Nikos Moisiadis & Partners Ltd .
• Organization for Planning and Env. Protection of Thessaloniki
• Organization of Greek Railways
• Oscar Faber Group
• PANTECHNIKI S.A, NIK. I. THEOCHARAKIS
• PARADIGMA Unternehmensberatung Gmbh
• Port authority of Magnisias Perfecture
• Prefecture of Western Macedonia, Public Works Dept
• PROODOS S.A.
• Public Transport Operator of Thessaloniki (OASTh)
• Region of Central Macedonia (RCM)
• SGI – TRADEMCO S.A.
• SINDOS RAILCONTAINER SERVICES A.E
• SINDOS S.A
• SPACE HELLAS
• SUPER FAST FERRIES
• SYRIA ARAB REPUBLIC – STATE PLANNING COMMISSION
• SYSTRA
• THESSALONIKI CHAMBER OF COMMERCE AND INDUSTRY (TCCI)
• Thessaloniki Port Authority S.A. (ThPA)
• URBAN KTEL KATERINI
• URBAN KTEL VEROIA
• URBAN KTEL VOLOS
• XIFIAS S.A
• YALCO ΑΕ
• ΑΝΚΟ S.A
• ΑΤΤΙΚΟ ΜΕΤRΟ S.A.
• ΖΑΝΑΕ S.A.