The Scientific Registry of Transplant Recipients (SRTR) is an ever-expanding national database of transplant statistics. The registry exists to support ongoing evaluation of the scientific and clinical status of solid organ transplantation, including kidney, heart, liver, lung, intestine, and pancreas. 

TRIO is committed to improving the quality of life of transplant candidates, recipients, their families and the families of organ and tissue donors.

The Transplant Recipients International Organization offers transplant and donation information and resources.

The U.S. Department of Health and Human Services' Donation Initiative provides information about organ donation.

UNOS is a private, nonprofit organization managing the nation's organ transplant system under contract with the federal government.