Publications Office, European Union, EU

EU: Policy on Public Procurement
europa.eu/pol/singl/index_en.htm
europa.eu/publicprocurement/index_en.htm

NUTS: Nomenclature of territorial units for statistics / Statistical Regions of Europe
ec.europa.eu/eurostat/ramon/nuts/basicnuts_regions_en.html

Single European market: Public procurement
ec.europa.eu/internal_market/publicprocurement/index_en.htm

IDABC: Interoperable Delivery of European eGovernment Services to public Administrations, Businesses and Citizens.
ec.europa.eu/idabc/eprocurement

PPN: European Public Procurement Network is a co-operation network of public procurement expert officials, dedicated to European companies, also has links to the national public procurement portals.
www.publicprocurementnetwork.org

SME portal: access to information to Europe's small and medium-sized enterprises
ec.europa.eu/enterprise/sme/index_en.htm
Solvit: Internal Market Problem Solving System
ec.europa.eu/solvit/site/index_en.htm

Your Europe - Business: to carry out company business in another country.
ec.europa.eu/youreurope/nav/en/business/index.html

Other links:  

PLAN Network - Procurement Law Academic Network

Seminars on European Public Procurement by the European Institute of Public Administration