The Big Give
https://www.kidney.org/transplantation/livingdonors/biggive

The Living Donor Institute
http://www.barnabashealth.org/Specialty-Services/Kidney-Care/The-Living-Donor-Institute.aspx

Living Kidney Donors Network
http://www.lkdn.org/

American Living Organ Donor Network
http://www.helplivingdonorssavelives.org/benefits-by-state/choose-your-state/idaho-massachusetts/massachusetts/

UNOS Transplant Living
http://www.transplantliving.org/living-donation/

Living Donors Online
http://www.livingdonorsonline.org/kidney/kidney3.htm

Matching Donors
http://www.matchingdonors.com/life/index.cfm

Live Kidney Donation
https://livekidneydonation.org