| A constituent of the American Association of Orthodontists which serves the states of Alabama, Florida, Georgia, Kentucky, Louisiana (east of the Mississippi), Mississippi, North Carolina, South Carolina, Tennessee, Virginia and West Virginia |
| Rocky Mountain Society of Orthodontists |
| The Pacific Coast Society of Orthodontists offers orthodontic education, information and resources for PCSO members and news of the PCSO Annual Session, Bulletin and other programs. |
