| The Arc of Southington, Inc. | Serve people with intellectual and developmental disabilities and their families. |
| The Arc of Southside | Promotes and protects the human rights of people with intellectual and developmental disabilities and supports their full inclusion and participation in the community. |
| The Arc of Southwest Colorado | Serve people with intellectual and developmental disabilities and their families. |
| The Arc of Southwest Georgia | Create life-changing solutions for people with disabilities to experience the same opportunities, rights and freedoms as inclusive members of the community. |
| The Arc of Southwest Georgia – Satellite Office | Create life-changing solutions for people with disabilities to experience the same opportunities, rights and freedoms as inclusive members of the community. |
| The Arc of Southwest Washington | Helps people with intellectual and developmental disabilities achieve a lifetime of success. |
| The Arc of Spokane WA | Promote independence and choice and enhance the quality of life for people with developmental disabilities and their families. |
| The Arc of St. Charles, Inc. | Committed to providing services and supports that enable people of all ages with developmental and intellectual disabilities and special needs to attain their full potential. |
| The Arc of St. Clair County | The Arc of St. Clair County exists to advocate for and provide services to persons with developmental disability and their families so that they have the opportunities to grow, learn and live fulfilled lives. |
| The Arc of St. Johns, Inc | Provides services to people with intellectual and developmental disabilities by providing the opportunity for everyone to become a valued, contributing member of the community. |