| State Links | Psychiatric Facilities | Regional Centers/Specialized Facilities |
| State of Mississippi | Mississippi State Hospital | Boswell Regional Center |
| Mississippi Transparency | North Mississippi State Hospital | Ellisville State School |
| State Personnel Board | South Mississippi State Hospital | North Mississippi Regional Center |
| Mississippi Public Employees Retirement System | East Mississippi State Hospital | Specialized Treatment Facility of Gulfport |
| Mississippi Deferred Compensation Plan | Central Mississippi State Hospital | Mississippi Adolescent Center |
| Department of Mental Health | ||
| ACE Mississippi | ||
| American Association on Intellectual and Developmental Disabilities (AAIDD) |