IFRR. International Federation of Renal Registries
http://www.health-tech-net.org/ifrr/

International Society of Nephrology
http://www.isn-online.org/

American Society of Nephrology
http://www.asn-online.org/

European Renal Association- European Dialysis and Transplant Association
http://www.era-edta.org

The Renal Association of Great Britain
http://www.renal.org/

Australian and New Zealand Society of Nephrology
http://www.nephrology.edu.au

ANZDATA Registry
http://www.anzdata.org.au/

OPTN: Organ Procurement and Transplantation Network
http://www.optn.org/

U.S. Department of Health and Human Services - Human Resources and Service Administration (Division of Transplantation)
http://www.hrsa.gov/osp/dot

Organ and Tissue Donation/Transplantation
http://www.organdonor.gov/

United Network for Organ Sharing
http://www.unos.org/

British Renal Society
http://www.britishrenal.org/

ustransplant.org - Scientific Registry of Transplant Recipients
http://www.ustransplant.org/