Countries which have participated in IRSPP meetings:

Australia; Austria; Belgium; Canada; Cape Verde; China; Denmark; Emirate of Abu Dhabi; (UAE); England U.K.); Finland; France; Germany; Hungary; Indonesia; Ireland; Italy; Kenya; Moldova; Mongolia; Namibia; Netherlands; New Zealand; Nigeria; Northern Ireland (U.K.); Norway; The People’s Republic of China; Portugal; Romania; Russia; Rwanda; Scotland (U.K.); Singapore; South Africa; South Korea; Slovenia; Sweden; Spain; Sweden; Tanzania; Thailand; Trinidad and Tobago; Uganda; Wales (U.K.); United States of America; Zimbabwe.

Organisations that have participated in IRSPP meetings:

• CIPS – Chartered Institute of Procurement and Supply
• CLILC – Cymdeithas Llywodraeth Leol Cymru (Welsh Local Government Association – WLGA)
• Consip – Concessionaria Servizi Informativi PubbliciCOMESA – Common Market for Eastern and Southern Africa
• HALPIM – Hungarian Association of Logistics Purchasing and Inventory Management
• IFPSM – International Federation of Purchasing and Supply Management
• NHS – National Health Service (U.K.)
• NEVI – The Dutch Association for Purchasing Management
• NIGP – The Institute for Public Procurement
• OGC – Office of Government Commerce (U.K.)
• PIANo – Professioneel en Innovatief Aanbesteden, Netwerk voor Overheidsopdrachtgevers (Professional and Innovative Tendering, Network for Government Contracting Authorities)
• UNDP – United Nations Development Program
• The World Bank