NAMI (National Alliance on Mental Illness) is the nation's largest grassroots mental health organization. Through its programs and support groups, NAMI provides advocacy, education, and support for individuals and families affected by mental illness. NAMI South Central Iowa serves 11 counties in southern Iowa, including Appanoose, Davis, Mahaska, Wapello, Marion, Monroe, Lucas, Wayne, Clarke, Decatur, and Ringgold.