Organizers
- University of Utah GREAT camp
- University of Utah Gymnastics
- University of Utah Softball
- University of Virginia Rec Sports
- University of Washington Football
- University of Washington New York Alumni Chapter
- University of Washington Women's Center
- University of West Florida - Volleyball
- University of Windsor - Athletics & Recreation
- University of Windsor - Campus Recreation
- University of Windsor - Lancer Recreation
- University of Winnipeg Athletics
- University of Wisconsin - Extension Outagamie County
- University of Wisconsin-Eau Claire
- University Park Lions Football and Cheer
- University Park Pythons
- University Recreation & Wellness
- University School of Nashville Summer Camps
- University Sertoma
- Unleashed Dog Training & Behavior Center
- Unlimited Potential Basketball
- Unlimited Sports
- UNO Volleyball Camps by Coach V
- Unplugged Adventures
- Until Valhalla Firearm Training
- Up & Over
- Up & Running Group
- Up and Running in Dayton
- UP Land Conservancy
- Up North Standup Paddleboard Classic
- UPBC
- UpCycle Creative Reuse Center
- UPIKE Basketball Camps
- Upland American Little League
- Uplift K12
- Upper Chesapeake Health Foundation
- Upper Deck Training Center
- Upper Dublin Sports Center
- Upper Makefield Business Association
- Upper Moreland Parks and Recreation
- Upper Peninsula Bible Camp
- Upper Perkiomen Youth Baseball Association
- Upper Room Christian School
- Upper Sugar River Watershed Association
- Upper Township Beach Patrol
- Upper Valley Aquatic Center
- Upper Yadkin Valley Habitat for Humanity
- Upperline LLC
- Upstate Splash
- Upstate-Carolina Adaptive Golf