Asian Development Bank http://www.adb.org/Procurement/default.asp Η Ασιατική Τράπεζα Αναπτύξεως
	Association of European Chambers of Commerce and Industry http://www.eurochambres.be/ represents 41 national associations of Chambers of Commerce and Industry, a European network of 2000 regional and local Chambers with over 17 million member enterprises in Europe.
	CoE Council of Europe Το Συμβούλιο της Ευρώπης
	IAPSO http://www.iapso.org/ The Inter-Agency Procurement Services Office (IAPSO) in Copenhagen assists the UN organisations in procurement.
	IPPA http://www.ski.dk/IPPA/ Information by the International Public Procurement Association, especially on their regularly held International Procurement Conferences
	PHI http://www.procurement.org Procurement Homepage International
	Procurement Forum http://www.procurementforum.org/index.html Ευρωπαϊκός ιστοχώρος για τις δημόσιες συμβάσεις
	SIGMA http://www.oecd.org/puma/sigmaweb/ Support for Improvement in Governance and Management in Central and Eastern European Countries - is a joint initiative of the OECD Centre for Co-operation with Non-Members and the European Union's Phare Programme.
	TRANSPARENCY INTERNATIONAL http://www.transparency.de/ Transparency International
	UNCITRAL http://www.uncitral.org/ Here the text of the United Nations Commission on International Trade Law (UNCITRAL) Model Law on Public Procurement can be downloaded.
	World Bank http://www.worldbank.org/ The Worldbank Guidelines on Procurement
	Παγκόσμιος Οργανσιμός Εμπορίου (ΠΟΕ - WTO) http://www.wto.org World Trade OrganisationThis homepage provides information on public procurement activities under the WTO. It contains an overview and the text of the Agreement on Government Procurement (GPA)
	Organisation for Economic Co-operation and Development http://www.oecd.org/home/ Ο ιστοχώρος για του Οργανισμού για την Διεθνή Συνεργασία και Ανάπτυξη
	International Institute of Administrative Sciences/ Institut international des Sciences administratives (IISA) http://www.iiasiisa.be/ Ο ιστοχώρος του Διεθνούς Ινστιτούτου Διοικητικών Επιστημών
	The IMF is an international organization of 184 member countries. It was established to promote international monetary cooperation, exchange stability, and orderly exchange arrangements; to foster economic growth and high levels of employment; and to provide temporary financial assistance to countries to help ease balance of payments adjustment. http://www.imf.org/external/about.htm