| St. Charles Council on Aging | Coordinate and offer services that help older adults remain in their homes, if that is their preference, and make it possible for older individuals to choose the services and living arrangements that suit them best. |
| St. Clair County Library for the Blind and Physically Handicapped | Michigan residents who cannot see or read regular print due to a physical disability are eligible to receive free reading materials from a network of libraries. |
| St. James Arc | Non-profit organization serving individuals with intellectual and developmental disabilities. |
| St. James Area Agency on Aging | Coordinate and offer services that help older adults remain in their homes, if that is their preference, and make it possible for older individuals to choose the services and living arrangements that suit them best. |
| St. John Arc | Non-profit organization serving individuals with intellectual and developmental disabilities. |
| St. John Council on Aging, Inc. | Coordinate and offer services that help older adults remain in their homes, if that is their preference, and make it possible for older individuals to choose the services and living arrangements that suit them best. |
| St. Johns Legal Aid | Dedicated to providing free legal assistance to those who could not otherwise afford it. |
| St. Lawrence County Office for the Aging | Provides service and advocacy for County residents 60 years and older |
| St. Louis Arc | Empower people with intellectual and developmental disabilities and their families to lead better lives by providing a lifetime of high-quality services, family support and advocacy. |
| St. Louis Area Agency on Aging | Secure and maintain maximum independence and dignity in a home environment and encourage economic, social and personal independence of older persons by providing opportunities for employment, socialization, and volunteer activities in the community. |