Organizers
- Central New Jersey Junior Team Tennis
- Central Oahu CPOA
- Central PA Junior Team Tennis
- Central Park Athletic Association
- Central Park Crushers
- Central Pasco Chamber of Commerce
- Central Penn Field Hockey
- Central Texas College Foundation
- Central Texas Marine Association
- Central Texas Tennis Assoc.
- Central Texas Wolves Athletics
- Central Valley Athletics
- Central Washington Sports Association
- Central Wisconsin Tennis Alliance
- Central Youth Softball Association
- Centralia Friends of the Park
- Centralia Parks & Recreation
- Centralia Parks and Recreation Department
- Centralia Supersonics
- Centralia SuperSonics
- Centralized Equipment Pool
- CentralOnline.tv
- Centre des arts Shenkman Arts Centre
- Centre Region Parks & Recreation
- Centurion Events, LLC
- Century City Fitness Center
- Century Road Club Association
- CEO Academy for Youth
- ceo of my life summer experience
- CER Dragon Camp
- Ceraland Park
- CERRITOS ACADEMY
- Cerritos High School
- Cerritos Soccer Academy
- CertaPro Painters
- Cetronia Ambulance Corps
- CFL Tri Club
- CFOS-Timothy J Sweitzer Memorial Fund
- CG Sport Event
- CGC Swim Academy - Sandbox
- CGI Racing
- CGL Consulting, LLC
- CGL Investments Pty Ltd
- Chabot College Track & Field
- Chabot Space and Science Center
- Chagrin Falls Boosters
- Chain Buster Productions
- Chain Events
- Chaires Eagles
- Challenge & Champions
