- Adult Congenital Heart Association (ACHA)
- American Heart Association
- American Stroke Association
- Ben's Friends
- Canadian Adult Congenital Network
- Cleveland Clinic Stroke and Brain Aneurysm Support Group
- CongenitalHeartDefects.com
- Congenital Heart Information Network
- Fibromuscular Dysplasia Society of America (FMDSA)
- Healthwise Connection
- H.E.A.R.T. for Cardio-Athletes
- Hypertrophic Cardiomyopathy Association (HCMA)
- International Society for Adult Congenital Heart Disease
- Klippel Trenaunay (KT) Support Group
- Living with Valve Disease
- May Thurner Syndrome Facebook Support Group
- Mended Hearts
- The Marfan Foundation
- The Patient’s Guide To Heart Valve Surgery - Adam's Heart Valve Surgery Blog
- StopAfib.org
- Sudden Arrhythmia Death Syndromes (SADS) Foundation
- TRIO: Transplant Recipient International Organization
Heart & Vascular Institute (Miller Family)
