National Alliance on Mental Health (NAMI) 

The National Alliance on Mental Illness (NAMI) is the largest grassroots mental health organization in the United States dedicated to improving the lives of individuals and families affected by mental illness. NAMI provides advocacy, education, support, and public awareness to ensure better lives for people with mental health conditions. Their extensive resources include support groups, educational programs, and a helpline, all aimed at helping those in need navigate mental health challenges and connect with necessary services.

Link: https://www.nami.org/