Organizers
- United States Powerlifting Federation-TX
- United States Synchronized Swimming, Inc.
- United States Tennis Association - Pacific Northwest
- United Veterans of Bridesburg Parade Organization
- United Way
- United Way Of Bartow County
- United Way of Chelan & Douglas Counties
- United Way of Gordon County
- United Way of Greater Atlanta
- United Way of Iredell County
- United Way of Lapeer County
- United Way of Mahaska County
- United Way of Marion County
- United Way of McPherson County
- UnitedHealthcare Children's Foundation
- Uniting Voices Chicago
- Unity Learning Network
- Univ of Denver Hilltoppers
- Univ. Nevada, Las Vegas / PGM
- Universal Soccer & Futsal Academy
- Universal Soccer Academy
- Universal Sole
- University
- University Academy PTO
- University Athletic Association, Inc.
- University City Arts League
- University Club
- University High School Academy
- University Housing
- University Montessori School
- University Neighbourhoods Association
- University of Akron Basketball
- University of Alaska - Anchorage
- University of Alaska Anchorage
- University of Alaska Anchorage Hockey
- University of Alaska Anchorage Men's Basketball
- University of Alaska Anchorage Volleyball
- University of Alaska Women's Basketball
- University of California - Merced
- University of California - Santa Cruz Seymour Marine Discovery Center
- University of Central Oklahoma PGA Golf Management Program
- University of Colorado Colorado Springs
- University of Colorado Football
- University of Connecticut Student American Physical Therapy Association
- University of Florida Baseball
- University of Florida Dazzlers
- University of Florida Football
- University of Florida Golf
- University of Florida Gymnastics
- University of Florida Lacrosse
