Ministry of National Defence

Ministry of Development

General Secretariat for Gender Equality

General Secretariat of Sports

Ministry of Economics

Region of Thessalia

Region of Central Macedonia

Ministry of Culture

National Bank of Greece (MIET)

Theo Angelopoulos

OEDB

Institute of Study and Research on Politics, Economy and  Culture

Public Power Corporation S.A.

HTSO S.A.

Hellinic Postbank

Aspis Bank

Hellenic Telecom Organization S.A.

Alcatel

Ericsson

 Digital Aid S.A.

 Observatory for the Greek Information Society

Diadikasia S.A.

Planet S.A.

PRC Group

TMI A/S

Trek Consulting S.A.

Zepos & Yannopoulos

TRAM S.A.

CERTH

Pension and Self-insurance Fund of Health Professionals

Greek Research Society for AIDS

 EKEPSIE

AKTO S.A.

ICCS

IDEKE

EKEPIS

University of Mecadonia

Municipality of Athens

Municipality of Trikala

Municipality of Heraklion

Municipality of Larisa

Municipality of Lamia

Municipality of Kalamaria

Municipality of Veria

Municipality of Arta

Municipality of Neapoli

Municipality of Kalambaka

Municipality of Kalloni

Municipality of Paxos

Prefecture of Thessaloniki

Prefecture of Trikala

Prefecture of Samos

Prefecture of Kavala

Prefecture of Kilkis

Prefecture of Lesvos

Prefecture of Grevena

Prefecture of Lefkada

Prefecture of Cyclades

Thessaloniki International Fair S.A.

Alexpak S.A.

Asset-Mart