Organizers
- Courtside Racqeut Club
- Courtside Racquet Club
- Cove House Emergency Homeless Shelter, Inc.
- Covenant Christian School
- Covenant Day School
- Covenant Heights Camp & Retreat Center
- Covenant of Grace Presbyterian Church
- COVENANT UMC FREEDOM SCHOOL
- Coventry Rams Football and Cheerleading
- Covington Family YMCA
- Cow Creek Country Classic
- Cow Pie Jog
- Cowboy Dash
- Cowboy Up Events, LLC
- Cowboy Wrestling Camps
- Cowboys Community Relations
- Coweta County Girl Scout Day Camp
- Coweta County Parks and Recreation Department
- Coweta Ferst Foundation
- Cowgirl Cheer Camps
- Cowgirl Kicker Reunions
- Cowichan Valley Breakers
- Cowlitz County Pop Warner Association
- COWS
- Cox Racing Services
- Coxsackie P.A.L.
- Coyote Central
- Coyote Road School
- Coyote Run Golf Course
- CP PG PED Little League
- CPAA
- Cpl Christopher G. Scherer Semper Fi Fund
- CPRG Tennis
- Cradle Coast Triathlon & Multisport
- Cradle of Forestry in America Interpretive Association
- Craft Guild Of Dallas
- Craftwork Training
- Craig Gibson Baseball LLC
- Craig Springs Camp and Retreat Center
- Crandon Golf Academy
- Crane County Youth Center
- Crane Eater Community Church
- Crane Rehab
- Crane Rehab Center, LLC
- Crane Soccer Academy
- Cranston East Little League
- Cranston Western Little League
- CranX Indoor and Outdoor Bike and Sports Park
- Crapolfest
- Craughwell Athletics
