| 3 Nice Girls | Greater Richmond Chorus of SAI | Richmond | Virginia | |
| A Little Too Much | Queen Charlotte Chorus | Charlotte | North Carolina | |
| All Fired Up | Vienna-Falls Chapter of SAI | Fairfax | Virginia | |
| Apropos | Magic of Harmony Show | Yorktown | Virginia | |
| Brazen Tarts | Skyline Harmony Chapter of SAI | Charlottesville | Virginia | |
| Capit0l Reunion | Vienna-Falls Chapter of SAI | Fairfax | Virginia | |
| Cartet | Song O' Sky Chapter of SAI | Asheville | North Carolina | |
| Class Act Quartet | Song O' Sky Chapter of SAI | Asheville | North Carolina | |
| Crescendo | Queen Charlotte Chorus | Charlotte | North Carolina | |
| Daytimers | Vienna-Falls Chapter of SAI | Fairfax | Virginia | |
| Duplicate of 3 Nice Girls | Greater Richmond Chorus of SAI | Richmond | Virginia | |
| Enigma Quartet | Vienna-Falls Chapter of SAI | Fairfax | Virginia | |
| Entertainment Company Quartet | Hills Are Alive | Bristol | Virginia | |
| Fast Forward Quartet | Song O' Sky Chapter of SAI | Asheville | North Carolina | |
| Finders Keepers | Queen Charlotte Chorus | Charlotte | North Carolina | |
| Firestorm | Greater Richmond Chorus of SAI | Richmond | Virginia | |
| Freestyle Quartet | Carolina Style Chapter of SAI | Conover | North Carolina | |
| Grit and Grace Quartet | Song of Atlanta | Roswell | Georgia | |
| HOC Management Team | Heart of Columbia Chapter of SAI | Lexington | South Carolina | |
| Indigo Blue Quartet | Song O' Sky Chapter of SAI | Asheville | North Carolina | |
| Lace Quartet | Carolina Harmony | Raleigh | North Carolina | |
| On Our Way! Quartet | Vocal Matrix | Greenville | South Carolina | |
| Once Upon A Thursday | Heart of Columbia Chapter of SAI | Lexington | South Carolina | |
| Peachy Keen Quartet | Georgia Sensation Chapter of SAI | Norcross | Georgia | |
| Pitchcraft Quartet | Queen Charlotte Chorus | Charlotte | North Carolina | |
| Presto! Quartet | Song of Atlanta | Roswell | Georgia | |
| Quantum Quartet | Greater Richmond Chorus of SAI | Richmond | Virginia | |
| Rapport Quartet | Magic of Harmony Show | Yorktown | Virginia | |
| Reflections Quartet | Vienna-Falls Chapter of SAI | Fairfax | Virginia | |
| REV'L | Greater Richmond Chorus of SAI | Richmond | Virginia | |
| Rip Chords Quartet | Vocal Matrix | Greenville | South Carolina | |
| Rosegold Four | Greater Richmond Chorus of SAI | Richmond | Virginia | |
| RunAMOK | Queen Charlotte Chorus | Charlotte | North Carolina | |
| Shazam! Quartet | Queen Charlotte Chorus | Charlotte | North Carolina | |
| Simply NoteAble Quartet | Triad A Cappella Chapter of SAI | Kernersville | North Carolina | |
| Singcerely Quartet | Carolina Style Chapter of SAI | Conover | North Carolina | |
| Sound Advice Quartet | Vienna-Falls Chapter of SAI | Fairfax | Virginia | |
| Soundwaves (VCC daytime singing group) | Virginia Coast Chapter | Virginia Beach | Virginia | |
| Southern Style Quartet | Sweet Georgia Sound | Macon | Georgia | |
| Speed of Sound Quartet | Queen Charlotte Chorus | Charlotte | North Carolina | |
| Sweet Tea Quartet | Southern Harmony Chapter of SAI | Charleston | South Carolina | |
| Synergy | Carolina Style Chapter of SAI | Conover | North Carolina | Senior |
| Table for 4 Quartet | Vienna-Falls Chapter of SAI | Fairfax | Virginia | |
| The Starpeggios | Queen Charlotte Chorus | Charlotte | North Carolina | |
| Twist of Fate Quartet | Vienna-Falls Chapter of SAI | Fairfax | Virginia | |
| Twisted Mix Quartet | Carolina Harmony | Raleigh | North Carolina | |
| Unexpected Quartet | Queen Charlotte Chorus | Charlotte | North Carolina | |
| Unmuted | Vienna-Falls Chapter of SAI | Fairfax | Virginia | |
| Up All Night Quartet | Arlington, VA Chapter of SAI | Arlington | Virginia | |
| Vocal Odyssey | Greater Richmond Chorus of SAI | Richmond | Virginia | |
| Wicked Blend | Queen Charlotte Chorus | Charlotte | North Carolina | |
