Organizers
- Catdaddy Consulting LLC - Rock Chalk Spirit
- Caterpillar
- Cathedral Arts Project, Inc.
- Cathedral H.S.
- Cathedral Parish School
- Catholic Central High School
- Catholic Challenge Sports
- Catholic Charities Camp I Am Special
- Catholic Charities Community Services of Orange and Sullivan
- Catholic Charities Housing Services
- Catholic Charities of Northwest Florida
- Catholic University Women's Lacrosse
- Catholic Youth Camp
- Catholic Youth Organization
- Catholic Youth Organization Camps
- Catholic Youth Organization for the Archdiocese of
- Catoosa County Recreation Department
- CATS CAMPS
- Cats Claw
- CATS School Year Programs
- CATS Summer Camp
- Catskill Spring Rush 2016
- Caudwell Children
- causelife
- Cavalier Cross Country Camp
- Cavalier Manor F and C Association
- Cave B LLC
- Cave Creek Golf Course
- Cayce Tennis and Fitness Center
- Cayuga Nature Center
- CB Eller Elementary School
- CB Golf Instruction
- CB Performance
- CBHS Soccer Camp
- CBRC
- CBSC - Ashland
- CC Functional Fitness
- CC of St. Albans
- CC Triple Crown
- CCA Stinger Softball
- CCCX Cycling Club
- CCEEC
- CCNY Multi-Sports Camp
- CCS Community Services
- CCS Cross Country Juniors
- CCSD
- CDBL
- CDE Summer STEAM Academy
- CDE Summer STEM Academy
- CdLS Foundation
