- Group Name
- Nutley HS
- Hometown
- Nutley, NJ
- Contact
- Julia Wehrer
- Website
- https://www.nutleymusicboosters.org/home
- Group Name
- Oak Grove HS (AL)
- Hometown
- Bessemer, AL
- Contact
- Anna Gugel
- Group Name
- Oak Grove HS (CA)
- Hometown
- San Jose, CA
- Contact
- Teresa Moura
- Group Name
- Oak Grove HS (MS)
- Hometown
- Hattiesburg, MS
- Contact
- Anthony Luker
- Website
- http://www.ogwarriorband.org
- Group Name
- Oak Hills HS
- Hometown
- Cincinnati, OH
- Contact
- Jim Green
- Group Name
- Oak Ridge HS (CA)
- Hometown
- El Dorado Hills, CA
- Contact
- Nathan Tilley
- facebook.com/1000542698
-
instagram.com/orhs_percussion
- Group Name
- Oak Ridge HS (TN)
- Hometown
- Oak Ridge, TN
- Contact
- Sean Rutherford
- Website
- https://www.wildband.org/
- https://www.facebook.com/ORHSWildBand
- https://www.instagram.com/orhs.wildband
- X (Twitter)
- https://x.com/orhswildband
- Group Name
- Oakleaf HS
- Hometown
- Orange Park, FL
- Contact
- Brandon David Brown
- Website
- oakleafbands.com
- @oakleafpercussion
- Group Name
- Obra D. Tompkins HS
- Hometown
- Katy, TX
- Contact
- Michael Spooner
- Group Name
- Obra D. Tompkins HS
- Hometown
- Katy, TX
- Contact
- Michael Spooner
- Group Name
- Ocean Lakes HS
- Hometown
- Virginia Beach, VA
- Contact
- Mike Jones
- Group Name
- OCI
- Hometown
- La Mirada, CA
- Contact
- sean cunningham
- Website
- www.ocipercussion.org
-
facebook.com/OCIPercussion
- @oci_percussion
- Group Name
- OConnor HS
- Hometown
- Helotes, TX
- Contact
- Jose Marin
- Group Name
- Odessa HS
- Hometown
- Odessa, DE
- Contact
- RJ Kelly
- Group Name
- Ogden HS
- Hometown
- Ogden, UT
- Contact
- Stanley Renda
- Group Name
- Old Bridge HS
- Hometown
- Old Bridge, NJ
- Contact
- Katherine Knoebel
- Website
- https://tkob.org/
- https://www.instagram.com/obmusicandmarch/
- Group Name
- Old Line Independent Percussion
- Hometown
- Frederick, MD
- Contact
- Walter Bryan Hirschmann
- Website
- https://www.oldlineindependent.org
- http://www.facebook.com/oldlineperformingarts
- http://instagram.com/oldlineperformingarts
- X (Twitter)
- http://twitter.com/OldLinePerforms
- Tiktok
- @oldlineindependent
- Group Name
- Olentangy Liberty HS
- Hometown
- Powell, OH
- Contact
- Jennifer Hicks
- Group Name
- Olive Branch HS
- Hometown
- Olive Branch, MS
- Contact
- Thaddeus Moss
- Group Name
- Olympia HS
- Hometown
- Orlando, FL
- Contact
- Patrick Lalka
- Website
- http://www.olympiatitanbands.org
- Group Name
- Onalaska High School
- Hometown
- Onalaska, WI
- Contact
- David Schumann
- Group Name
- Orange County HS
- Hometown
- Orange, VA
- Contact
- Paul Zybak
- https://www.facebook.com/Orange-County-High-School-Drumline-183728641665186/?ref=bookmarks
- Group Name
- Orange HS
- Hometown
- Orange, CA
- Contact
- Alexander Gellatly
- Group Name
- Orange HS (NC)
- Hometown
- Hillsborough, NC
- Contact
- Stephen Downing
- Website
- https://ohspantherband.com/
- https://www.facebook.com/OrangeHighSchoolBand/
- https://www.instagram.com/orangehighschoolbands/
- Group Name
- Oregon HS
- Hometown
- Oregon, WI
- Contact
- Nick Lane
