- Group Name
- Olathe MS/HS
- Hometown
- Olathe, CO
- Contact
- Reyna Carroll
- Group Name
- Old Line Independent Color Guard
- Hometown
- Frederick, MD
- Contact
- Walter Bryan Hirschmann
- Group Name
- Old Mill HS
- Hometown
- Millersville, MD
- Contact
- Alicia Simmons
- Group Name
- Olentangy HS
- Hometown
- Lewis Center, OH
- Contact
- Cindy Brun
- Website
- http://olentangyband.com
- Group Name
- Ollivier Middle School
- Hometown
- Bakersfield, CA
- Contact
- Alejandro Alcantar
- Website
- http://oms.gfusd.net
- Facebook
-
http://www.facebook.com/7310 Monitor St.