- Group Name
- 27th Parallel WG
- Hometown
- Stuart, FL
- Contact
- Bill Sapienza
- Website
- http://www.27thparallel.org
- Group Name
- 4th Wall
- Hometown
- Louisville, Ky
- Contact
- Tanner Leonardo
- Website
- http://4thwall.org
- http://www.facebook.com/4thWallPercussion
- http://instagram.com/4thwallpercussion
- Group Name
- A&M Consolidated HS
- Hometown
- College Station, TX
- Contact
- Steve Fry
- Group Name
- Abraham Lincoln Middle School
- Hometown
- Selma, CA
- Contact
- Regina Jimenez
- Group Name
- Academy District 20 Combined Schools
- Hometown
- Colorado Springs, CO
- Contact
- Dalton Van Hook
- Website
- http://rampartmusic.com/
- Group Name
- Acadiana HS
- Hometown
- Lafayette, LA
- Contact
- Scott Domingue
- Group Name
- Affinity Indoor
- Hometown
- Portland, OR
- Contact
- Ron LaGrone
- Website
- https://www.affinityentertain.org/
- http://www.facebook.com/affinityentertain/
- http://instagram.com/affinityentertain/
- http://twitter.com/affinitypnw
- Group Name
- Aftermath Percussion
- Hometown
- Lehigh Valley, PA
- Contact
- Mario DeLaurentis
- Website
- https://www.aftermathpercussion.com
- http://www.facebook.com/AftermathPercussion
- http://instagram.com/aftermathpercussion
- http://twitter.com/@aftermathperc
- Group Name
- Agua Fria HS
- Hometown
- Avondale, AZ
- Contact
- Ethyn Corfield
- Group Name
- Aimachi Percussion
- Hometown
- Nagoya, Japan
- Contact
- Michael Gaines
- Group Name
- Albany Indoor Percussion Ensemble
- Hometown
- Albany, NY
- Contact
- Mark Sanford
- Group Name
- Albemarle County Combined Schools
- Hometown
- Charlottesville, VA
- Contact
- Malik Poindexter
- Website
- https://sites.google.com/view/albemarle-county-indoor-perc
- https://www.instagram.com/ac_indoorpercussion
- Group Name
- Alchemy Percussion presented by Carolina Gold
- Hometown
- Raleigh, NC
- Contact
- Larry Harper Jr
- Website
- http://www.carolinagold.org
- http://www.facebook.com/AlchemyIndependent/
- Group Name
- Aliso Niguel HS
- Hometown
- Aliso Viejo, CA
- Contact
- Jason Ma
- Website
- https://www.anhsmusic.com/
- https://www.facebook.com/anhsmb
- https://www.instagram.com/anhs.band/
- Group Name
- Aloha HS
- Hometown
- Beaverton, OR
- Contact
- Aliyah Jackson
- Group Name
- Alpharetta HS
- Hometown
- Alpharetta, GA
- Contact
- Jared Kaufman
- Website
- https://www.alpharettaband.org/
- https://www.facebook.com/alpharettaband
- Group Name
- Alpine Combined Schools
- Hometown
- Highland, UT
- Contact
- Jordan Hope
- Group Name
- Amador Valley HS
- Hometown
- Pleasanton, CA
- Contact
- Jonathan Grantham
- Website
- http://www.amadormusic.org
- Group Name
- Amador Valley HS
- Hometown
- Pleasanton, CA
- Contact
- Amador Treasurer
- Group Name
- Amherst Steele HS
- Hometown
- Amherst, OH
- Contact
- Aaron Vranekovic
- Group Name
- Ancient City Ensemble
- Hometown
- Trenton, FL
- Contact
- Laura Beard
- Website
- http://www.ancientcityensemble.org
- http://www.facebook.com/AncientCityEnsemble/
- http://instagram.com/lauraantoni@gmail.com
- http://twitter.com/Ancientcityperc
- Group Name
- Anderson County HS
- Hometown
- Lawrenceburg, KY
- Contact
- Patrick Brady
- Group Name
- Angola HS
- Hometown
- Angola, IN
- Contact
- William Etling JR
- Group Name
- Anoka HS
- Hometown
- Anoka, MN
- Contact
- Timothy Hauser
- Group Name
- Apex Friendship HS
- Hometown
- Apex, NC
- Contact
- Stephen Downing
