| United Home Loans, Inc. | US | — | 1 |
| United Language Group, LLC | US | — | 2 |
| United Marketing, Inc. | US | — | 1 |
| United McGill Corporation | US | — | 1 |
| United Medical Doctors | US | Healthcare | 1 |
| United Medical Systems (DE), Inc. | US | — | 1 |
| UNITED NATURAL FOODS INC | US | Retail | 1 |
| United of Omaha Life Insurance Company | US | — | 2 |
| United Regional Health Care Systems | US | — | 1 |
| United Seating and Mobility, L.L.C., d/b/a Numotion | US | — | 3 |
| United Seating and Mobility, LLC d/b/a Numotion ("Numotion") | US | — | 1 |
| United Service Organizations | US | — | 1 |
| United Shore Financial Services, LLC | US | — | 1 |
| United States and Canadian | US | — | 1 |
| United States Medical Supply | US | — | 1 |
| United States Postal Service (USPS) | US | — | 1 |
| United States Soccer Federation, Inc. | US | — | 1 |
| United States Surety Company, and | US | — | 1 |
| United States Tennis Association Texas | US | — | 1 |
| United Steel Workers Union Local 286 | US | — | 1 |
| United Steelworkers Local 286 | US | — | 1 |
| United Time Group LLC d/b/a Ashford.com | US | — | 1 |
| United Underwriters | US | — | 2 |
| United Veterinary Care | US | — | 1 |
| United Way of Connecticut, Inc. | US | — | 1 |
| United Way of Greater Portland | US | — | 1 |
| United Wheels | US | — | 1 |
| United Wholesale Mortgage | US | — | 3 |
| United Zion Retirements Community | US | — | 1 |
| UnitedHealth Care Services, Inc. Single Affiliated Covered Entity | US | Healthcare | 1 |
| UnitedHealth Group health plan single affiliated covered entity | US | — | 1 |
| UNITEDHEALTH GROUP INC | US | Insurance | 1 |
| UnitedHealthcare | US | — | 14 |
| UnitedHealthcare (Devine Joshua) | US | — | 1 |
| UnitedHealthcare Student Resources | US | — | 4 |
| Unitedhealthcare ("UHC") | US | — | 1 |
| UnitedLex Corporation | US | — | 1 |
| Unitransfer USA, Inc. | US | — | 1 |
| Unity Health Insurance | US | — | 1 |
| Unity Hunt, Inc. | US | — | 2 |
| Unity National Bank | US | — | 1 |
| Unity National Bank of Houston | US | — | 1 |
| Unity Technologies SF | US | — | 1 |
| UnityPoint Health | US | — | 3 |
| Universal Automation & | US | — | 1 |
| Universal Care DBA Brand New Day | US | — | 1 |
| Universal Dermatology & Vein Care | US | Healthcare | 1 |
| Universal Lenders, LLC | US | — | 1 |
| Universal Logistics Holdings | US | — | 1 |
| Universal Music Group | US | — | 2 |
| Universal Plant Services, LLC | US | — | 2 |
| Universal Pure, LLC | US | — | 2 |
| UniversalPegasus International | US | — | 1 |
| University Federal Credit Union | US | — | 3 |
| University Hospital | US | — | 2 |
| University Hospitals Bristol and Weston NHS Foundation Trust | GB | — | 1 |
| University Medical Center of Southern Nevada | US | Healthcare | 1 |
| University Medical Center of Southern Nevada (UMC) | US | — | 1 |
| University Muslim Medical Association | US | — | 1 |
| University of Alaska | US | — | 2 |
| University of Alaska Foundation | US | — | 1 |
| University of Alaska System | US | — | 1 |
| University of Baltimore | US | — | 1 |
| University of California | US | — | 1 |
| University of California at Los Angeles | US | — | 1 |
| University of California, Berkeley | US | — | 2 |
| University of California, Berkeley (The Regents of the University of California) | US | — | 1 |
| University of California Davis Health | US | — | 1 |
| University of California Davis Medical Center | US | — | 2 |
| University of California Irvine | US | — | 1 |
| University of California Irvine Medical Center | US | — | 1 |
| University of California Los Angeles | US | — | 1 |
| University of California Los Angeles Health | US | Healthcare | 1 |
| University of California, Riverside | US | — | 1 |
| University of California, San Francisco | US | — | 3 |
| University of California Santa Barbara | US | — | 1 |
| University of California Santa Cruz | US | — | 1 |
| University of California, Washington Center (UCDC) | US | — | 1 |
| University of Central Florida | US | — | 1 |
| University of Colorado | US | — | 2 |
| University of Connecticut | US | — | 1 |
| University of Dallas | US | — | 1 |
| University of Detroit Mercy | US | — | 2 |
| University of Florida | US | — | 4 |
| University of Hawai'i - Hawai'i Community College | US | — | 1 |
| University of Hawaii Maui College | US | — | 1 |
| University of Illinois | US | — | 1 |
| University of Iowa Health Care | US | — | 1 |
| University of Kentucky | US | — | 1 |
| University of Maryland, College Park | US | — | 1 |
| University of Maryland Global | US | — | 1 |
| University of Maryland Global Campus | US | — | 1 |
| University of Massachusetts | US | — | 3 |
| University of Massachusetts Amherst | US | — | 4 |
| University of Miami | US | — | 1 |
| University of Michigan/Michigan Medicine | US | Healthcare | 1 |
| University of Minnesota Foundation | US | — | 1 |
| University of Minnesota Physicians | US | — | 1 |
| University of Missouri | US | — | 2 |
| University of Missouri Health | US | — | 1 |
| University of Nebraska Medical Center | US | Healthcare | 1 |
| University of Nevada, Las Vegas Foundation | US | — | 1 |
| University of Nevada, Reno | US | — | 1 |
| University of New England | US | — | 1 |
| University of North Carolina at Charlotte | US | — | 1 |
| University of North Dakota Alumni Association and Foundation | US | — | 1 |
| University of Phoenix | US | — | 2 |
| University of Phoenix, Inc. | US | — | 1 |
| University of Pittsburgh Medical Center (UPMC) | US | — | 1 |
| University of Puget Sound | US | — | 2 |
| University of Rhode Island Foundation | US | — | 1 |
| University of Richmond | US | — | 1 |
| University of Rochester | US | — | 2 |
| University of South Carolina | US | — | 3 |
| University of South Dakota | US | — | 1 |
| University of Southern California | US | — | 3 |
| University of Southern California, on behalf of KUSC | US | — | 1 |
| University of St. Thomas-Houston | US | — | 2 |
| University of the People | US | — | 3 |
| University of Utah | US | — | 1 |
| University of Vermont | US | — | 3 |
| University of Washington | US | — | 1 |
| University of Washington Medical Center (“UWM”) | US | — | 1 |
| University of Washington/UW Medicine | US | — | 1 |
| University of West Florida Board | US | — | 1 |
| University School of Nashville | US | — | 1 |
| University Surgical Associates, PLLC | US | — | 1 |
| University System of Georgia | US | — | 1 |
| University System of Maryland | US | — | 1 |
| University System of New | US | — | 1 |
| University Title Company | US | — | 1 |
| Univest | US | — | 1 |
| Unixiz Inc | US | — | 1 |
| Unlimited Care, Inc. | US | — | 1 |
| Unlimited Technology Systems, LLC | US | Healthcare | 4 |
| Unrivaled Brands dba Silver Streak, Inc. | US | — | 1 |
| UnTapped LLC | US | — | 1 |
| UnTax dba TaxPlus | US | — | 1 |
| Untracht Early LLC | US | — | 1 |
| Unum Group | US | Insurance | 8 |
| Unum Group ("Unum") | US | — | 1 |
| Up Entertainment, LLC | US | — | 1 |
| Upbound Group, Inc. | US | Professional Services | 3 |
| Update Legal | US | — | 1 |
| Uphold HQ Inc | US | — | 1 |
| UpMarket | US | — | 1 |
| UPMC Health Plan | US | — | 1 |
| UPMC | US | Healthcare | 1 |
| Uponor North America | US | — | 1 |
| Upper Dublin Family Dentistry | US | Healthcare | 2 |
| Upper Merion Township | US | — | 1 |
| Upper Peninsula Power Company | US | — | 1 |
| Upper Skagit Indian Tribe | US | — | 1 |
| Upright Law | US | — | 1 |
| Upstaging, Inc. | US | — | 2 |
| Upstate HomeCare | US | — | 1 |
| Upstream Advisory Group LLC | US | — | 1 |
| Upstream RollCo, LLC | US | — | 1 |
| Urban Alliance Foundation | US | — | 1 |
| Urban College of Boston | US | — | 1 |
| Urban Compass, Inc. | US | — | 2 |
| Urban One, Inc. | US | Media | 3 |
| Urban Resource Institute | US | — | 1 |
| Urban Resources Institute | US | — | 1 |
| Urban Strategies LLC | US | — | 1 |
| Urology Associates of Charleston | US | Healthcare | 1 |
| Urology Austin | US | — | 1 |
| Ursus Holdings, LLC | US | — | 1 |
| US Airways | US | — | 1 |
| US Claims Capital, Inc. | US | — | 2 |
| US Claims Capital LLC | US | — | 1 |
| US Fertility LLC | US | — | 2 |
| US Fertility, LLC (Seattle Reproductive Medicine) | US | — | 1 |
| US HealthCenter, Inc. | US | — | 1 |
| US HealthConnect, Inc. | US | — | 1 |
| US International Media, LLC | US | — | 1 |
| US Investigations Services, LLC | US | — | 1 |
| US Merchants Financial Group, Inc. | US | — | 1 |
| US Mortgage Corporation | US | — | 1 |
| US Oncology Inc. | US | — | 1 |
| US Polymers-Accurez LLC | US | — | 1 |
| US Ski & Snowboard | US | — | 1 |
| US Tiger Securities Inc. | US | — | 1 |
| US Tiger Securities Inc. (“Tiger”) | US | — | 1 |
| US Tiger Securities Inc. (“US Tiger”) | US | — | 1 |
| US Wellness Inc. | US | — | 2 |
| USA Baseball | US | — | 1 |
| USA DeBusk LLC | US | — | 2 |
| USA Emergency Centers – Bastrop, LLC | US | — | 1 |
| USA Emergency Centers – Clear Lake, LLC | US | — | 1 |
| USA Emergency Centers – Round Rock, LLC | US | — | 1 |
| USA Emergency Centers – South Austin, LLC | US | — | 1 |
| USA Emergency Centers – Spring, LLC | US | — | 1 |
| USA Hoist Company, Inc., Mid-American Elevator Company, Inc., and Mid-American Elevator Equipment Company, Inc. | US | — | 1 |
| USA Waste-Management | US | — | 1 |
| USA Waste-Management Resources, LLC | US | — | 1 |
| USAA | US | — | 12 |
| USACS Management Group, Ltd. | US | — | 1 |
| USC Keck and Norris Hospitals | US | — | 1 |
| Used Bikes Direct, LLC | US | — | 1 |