Organizers
- Ready, Set, Go racing
- ReadySetSweat, LLC
- Real America Soccer University
- Real America Sports University
- Real Rehab Sports + Physical Therapy
- Realestate Agents In Need
- REALgirl Empowerment Programs, Inc
- Really Living Seventh-day Adventist Church
- REALTOR Association of Southern KY
- Reaper Events
- Reason to Run 5K
- Reasons for Hope
- Rebecca Adams Green Foundation
- Rebel 76 Soccer
- Rebel 76 Sports
- Rebel Run
- REbeL, Inc.
- Rebelocity LLC
- Reboot Mountain Inc.
- RE-CHRIST MINISTRIES, INC.
- Reciprocity Events
- Reckewey Tennis
- Recreation & All Sports Camps
- Recreation Authority of Roseville & Eastpointe
- Recreation Center of Highland Park
- Recreational Authority of Roseville & Eastpointe
- Recycle Yourself 5K
- Red Berenson Hockey Camp
- red brick road events
- Red Bull North America, Inc
- Red Carpet Improv
- Red Devil Booster Club
- Red Dirt Pedalers
- Red Dog Events
- Red Dragon Swimming
- Red Hawk Golf & Resort
- Red Hawk Golf Club
- Red Hills Triathlon
- Red Hook Golf Club
- Red Jacket Music Boosters
- Red Kite Events Ltd
- Red Ledges
- Red Line Events
- Red Lodge Events
- Red Lodge Mountain
- Red Morton Community Center
- Red Mountain American Little League
- Red Mountain Theatre Company
- Red Mule Runner
- Red Nose Run
