Organizers
- Upswing Clinics, LLC
- Upturn Arts
- Upward Elementary
- UQuest - The Urban Competition
- UR Kids
- Uranko Productions
- Urban Adamah
- Urban Adventure Camps
- Urban Attack
- Urban Dare
- Urban Ecology Center
- Urban Ninja Obstacle Course
- Urban Outdoor Fitness
- Urban Street Team
- Urbana Little League
- URBANA PARK DISTRICT
- Urbandale Girls Rec. Association
- Urbandale Little League
- Urbandale Soccer Club
- Urbanity Dance
- Urgent Pets on Death Row
- Urology Health Foundation
- Ursuline Academy
- URUN4 Race LLC
- US Bank Team Stayin' Alive - Relay For Life
- US Express Track Club
- US FreedomWalk Festival
- US Golf Camps
- US Naval Sea Cadet Corps, Spruance Division
- US Performing Arts
- US Powerlifting Association - Georgia
- US Powerlifting Association Georgia - 2
- US Powerlifting- Georgia
- US Powerlifting- Georgia 3
- Us Quinsacaise Section Cyclisme
- US Road Running
- US Road Running - December 2015 - Virtual Races
- US Road Running - July 2015 Virtual Races
- US Road Running - Live Events
- US Road Running - November 2015 - Virtual Races
- US Road Running - November 2015 - Virtual Races 2
- US Road Running September 2015, Virtual Races
- US Road Running Virtual Races
- US Road Running, August 2015, Virtual Races
- US Road Running, August 2015, Virtual Races 2
- US Road Running, August 2015, Virtual Races 3
- US Road Running, Virtual Races, July 2015, 2
- US Road Running, Virtual Races, October 2015
- US Road Sports & Entertainment
- US Sports Institute
