Organizers
- CuriOdyssey
- Custer Hill Golf Course
- Cut Above Productions LLC
- Cutchogue Fire Department
- Cuthbertson Band
- Cutting Edge Events
- CWBBA
- cwbGLOBALsolutions
- CWS Camps
- CXC4L Alumni Association
- CYBT
- Cycle Adirondacks
- Cycle Tours UK
- CycleFit Multisport Sports Club
- Cycles Plus
- Cycleworks, Inc.
- Cycling Escapes
- Cycling Events LLC
- Cycling Saddlemen Bicycle Club
- Cycling Scotland
- Cyclingforkids,Inc
- Cyclones 18U Elite
- CYN Counseling Center
- Cynergy Cycling Club Inc
- CYO Camp Howard
- Cypress Bend Adventist Elementary School
- Cypress Course@TheGrandClub
- Cypress Lake Band Boosters Inc.
- Cypress Lake High School Athletic Booster Club
- Cypress Lakes Golf Club
- Cypress Point Country Club
- Cypress Triathlon Club
- Cypress Woods Elementary
- Cypresswood Golf Club
- Cyprian Keyes Golf Club
- Cystic Fibrosis Foundation
- Cystic Fibrosis Trust
