Organizers
- Choctaw Cheer
- Choctaw High School
- Choice Health & Fitness
- Chopping Block
- Chops
- Choreography by Rae
- Chosen
- CHOSEN Marathon
- Chris Canty Foundation
- Chris Dudley Basketball Camp
- Chris Haack Bulldog Golf Camp
- Chris Poole Volleyball Camp
- Chris Sailer Kicking
- Chris Smith AllStar Classic presents the Sistrunk 5K
- Chris Young Tennis Camp
- Chrisman High School Cross Country
- Christ Academy
- Christ Church of Arlington
- Christ Community Church
- Christ Community Health Services Augusta
- Christ Episcopal School
- Christ the King Catholic School
- Christian Bikers Charity
- Christian County Optimist Club
- Christian Golf Leadership Camp
- Christian Health Service of Syracuse, Inc.
- Christian Health Services of Syracuse
- Christian Heritage Academy
- Christian Homeschool Formal of Austin
- Christian Life Center
- Christian Team Ministries Inc
- Christian Women's Job Corps
- Christian youth camp
- Christie Rampone Girl's Soccer Camp
- Christie Rampone Girl's Soccer Camps
- Christmas Without Cancer
- Christy Mathewson Little League
- CHS Athletic Boosters
- CHS Performing Arts Boosters
- CHS Turkey Chase 7k
- Chuck Corica Golf Complex
- Chuck Ford Baseball Inc
- Chuck Pacholkiw Memorial Scholarship
- Chuck Will Golf Academy at Dulles Golf Center
- Chucktown Kids Fitness
- Chucktown Kids Tri
- Chula Vista American Little League
- Church at Polaris
- Church Missions Network
- Church of Celebration Metro
