Accolade Quartet
- 2006 Sweet Adeline Region 34 Champion Quartet from Sydney, Australia.
- http://www.accoladequartet.com

Swinglish Mix
- 2003 Sweet Adelines International Quartet Champions from Louisville, Kentucky
- http://www.swinglishmix.com/

Hidden Treasure a Capella Quartet
- Quartet affiliated with Women of Note Chorus, Palm Beach County FL. Member of SAI
- http://hiddentreasurequartet.com

Heatwave a Capella Quartet
- Quartet affiliated with Women of Note Chorus, Palm Beach County FL. Member of SAI
- http://heatwavequartet.com

Spotlight Quartet
- 2006 Sweet Adelines International Quartet Champions
- http://www.harmonize.com/spotlight/

VOX
- A women's barbershop quartet from Stockholm, Sweden. Three time regional champions. Members of Sweet Adelines Intl.
- http://www.voxquartet.se/index_eng.htm

BlackJaQ
- The 2005 Southern Cross region Womens Quartet Champions from Perth, Australia.
- http://www.blackjaq.com.au

Rhythmix
- This quartet from Richardson Texas brings enjoyment to audiences everywhere as it shares a rich variety of rhythms and musical styles with its audience... from traditional barbershop to swing, to blues, to jazz and pop. 
- http://www.janice.purpura.com/rhythmix/

Wink!
- A Sweet Adelines quartet based in Central Kentucky.
- http://www.harmonize.com/wink

Shalimars
- 1965 Sweet Adelines Queens of Harmony. Also contains arrangement list by Ruby Rhea Tenor of the Shalimars.
- http://www.shalimarsquartet.us

Zing!
- A women's barbershop quartet, registered with Harmony, Inc. from Framingham, Massachusetts.
- http://users.rcn.com/bbober/zing.html

Soundwave
- 1994 - 1995 Harmony Queens from Corning, New York.
- http://www.harmonize.com/soundwave/

Images
- 1997 Harmony Queens of Harmony Inc. from Amherst, New York. 
- http://www.harmonize.com/Images/

For Heaven's Sake
- 1996 International Quartet Champions of Harmony Inc. from Watertown, New York.
- http://www.harmonize.com/fhs/

Limited Edition
- 1995 International barbershop quartet champions of Harmony Inc.
- http://www.harmonize.com/LimitedEdition/

Change of Heart
- The 1999 Harmony Queens of Harmony, Inc from Indianapolis, Indiana who also compete in Sweet Adelines.
- http://www.harmonize.com/ChangeOfHeart/

Success Express
- This group of women from Columbus/Dayton Ohio has been entertaining audiences of all kinds for over nine years.
- http://www.harmonize.com/successexpress/

Rumors
- 1999 International Queens of harmony from Richardson Texas.
- http://www.richtones.org/rumors.htm

Rendition
- Sweet Adelines quartet from Lubbock Texas.
- http://www.crstx.com/rendition/default.htm

Razzcals
- Razzcals is a high-energy contemporary quartet that sings a wide variety of music from Melancholy Baby to the Beach Boys and everything in between.
- http://www.razzcals.com/

Obsession
- An award winning SAI quartet located in south Florida.
- http://www.evg.org/~obsession/

Fanatix
- 2002 Sweet Adelines International Quartet Champions from California.
- http://www.harmonize.com/Fanatix/

Buffalo Beat
- One of Buffalo Gateway Chorus' quartets.  
- http://www.harmonize.com/BuffaloBeat/

Bridges
- Entertains audiences throughout the Lower Mainland in a wide variety of venues. This SAI quartet is based out of Langley, British Columbia. 
- http://www.technodroids.com/bridges/

The Swingettes
- The Swingettes are a four part harmony a cappella quartet from Scotland.
- http://www.jazz-in-scotland.co.uk/swingettes.htm

Sugar and Spice barbershop quartet
- Quartet come from Göteborg on the beautiful west coast of Sweden. They sing at parties, jubilees, conferences, trade fairs and whenever people want to add a musical touch to an event
- http://hem.passagen.se/peha1964/

Sounds Familiar, Women's a cappella quartet
- London, UK based award winners who sing four part close harmony songs from many eras in the barbershop style.
- http://www.soundsfamiliar.org.uk/