Organizers
- CDS Enrich
- CE Lax Inc.
- Cecil County Parks and Recreation Department
- Cecil Land Trust
- Cecil Saints
- Cedar Crest Camp
- Cedar Crest Golf Course
- Cedar Falls Soccer Club
- Cedar Lake Tri Series
- Cedar Lee Middle School PTO
- Cedar Park Christian Schools
- Cedar Rapids Blue Devils
- Cedar Rapids Municipal Golf Courses
- Cedar Ridge Equine, LLC
- Cedar Ridge Equines
- Cedar River Complex
- Cedar River Soccer Association
- Cedar Springs Outdoor Adventure Day Camp
- Cedar Valley Soccer Association
- Cedar Way PTO
- Cedarburg Junior Woman's Club
- Cedardale Health & Fitness
- Cedarwood
- CEF of Fargo Moorhead
- CEF of F-M (Camp Good News)
- CEF Slice of Summer
- CEF SLICE of Summer
- CEF's SLICE of Summer
- Celebrate Life Half Marathon
- Celebrate Texas
- Celebrating Seniors Coaltion
- Celebration Education
- Celebration Golf Academy
- Celebration of Children
- Celebration Run
- Celebrity Championship
- Celma Mastry Ovarian Cancer Foundation
- Celtic Solstice Five-Miler
- CeMar Umpires Group
- Centaur Outdoor Events
- Centenary CollegeNJ
- Centenary University
- Centennial Guild / MGH Foundation
- Centennial Middle School
- Center at Cathedral Ridge
- Center for Alternatives in Community Justice
- Center for Barefoot Massage, LLC.
- Center for Black Music Research
- Center for Child and Adolescent Development
- Center for Fitness and Health
