| United States Seafoods WA | Manufacturing | 0 | - | F |
| United States Soccer Federation, Inc. IL | Other Services | 1 | $100,000 | A |
| United States Steel Corporation IL | Manufacturing | 0 | - | F |
| United States Steel Corporation IN | Manufacturing | 0 | - | A |
| United States Steel Corporation PA | Manufacturing | 5 | $127,397 | C |
| United States Steel Corporation Gary Works Plant IN | - | 0 | - | - |
| United States Steel Corporation Lorain OH | - | 0 | - | - |
| United States Steel Corporation Revised (10/7/19) IN | - | 0 | - | - |
| United States Sugar Savannah Refinery LLC GA | Manufacturing | 0 | - | B |
| United States Technologies Communications Corp NJ | Information & Media | 0 | - | F |
| United States Traffic Network, LLC PA | - | 0 | - | - |
| United Steel Inc. CT | Manufacturing | 0 | - | F |
| United Structural Works Inc. NY | Construction | 2 | $78,208 | - |
| United Structures of America TX | - | 0 | - | - |
| United Supermarkets LLC NM | Retail Trade | 0 | - | A |
| United Supermarkets LLC TX | Retail Trade | 0 | - | C |
| United Surface Solutions, LLC GA | - | 0 | - | - |
| United Talent Agency, LLC CA | - | 0 | - | - |
| United Techno Solutions, Inc. CA | Professional & Technical Services | 6 | $148,667 | - |
| United Technologies TN | - | 0 | - | - |
| United Technologies Corporation CA | - | 0 | - | - |
| United Technologies Corporation (formerly Goodrich) NY | - | 0 | - | - |
| United Technologies Electronic Controls IN | - | 0 | - | - |
| United Tekinfo Hub LLC. TX | Professional & Technical Services | 2 | $79,577 | - |
| United Temps Inc. MA | Administrative & Waste Services | 0 | - | F |
| United Temps PEO IL | Other Services | 0 | - | F |
| United Temps, Inc. FL | Administrative & Waste Services | 0 | - | F |
| United Theological Seminary OH | Educational Services | 1 | $56,160 | - |
| United Therapeutics CORPORATION MD | Manufacturing | 4 | $151,194 | C |
| United Therapy Services, PLLC TX | Healthcare & Social Assistance | 1 | $145,600 | - |
| United TN Holdings, Inc TN | Transportation & Warehousing | 0 | - | A |
| United Towing & Transport, Inc. LA | Transportation & Warehousing | 0 | - | F |
| United Township High School District #30 IL | Educational Services | 0 | - | D |
| United Transfusion Clinic MN | - | 0 | - | - |
| United Transport, Inc. NE | Transportation & Warehousing | 0 | - | D |
| United Veterinary Care CA Inc. FL | Professional & Technical Services | 1 | $155,563 | - |
| United Veterinary Care TX PLLC FL | Professional & Technical Services | 1 | $180,000 | - |
| United Veterinary Care, LLC FL | Professional & Technical Services | 1 | $250,000 | - |
| United Way for Southeastern Michigan MI | Other Services | 1 | $130,000 | - |
| United Way of Massachusetts Bay, Inc. MA | Other Services | 1 | $82,400 | - |
| United Wealth Services Inc MI | Professional & Technical Services | 1 | $87,000 | - |
| United Wholesale Mortgage, LLC MI | Finance & Insurance | 87 | $132,861 | - |
| United Zion Retirement Community PA | Healthcare & Social Assistance | 0 | - | F |
| United-Johnson Brothers of Alabama, LLC AL | Wholesale Trade | 0 | - | D |
| Unitedhealth Corportion CA | - | 0 | - | - |
| Unitedhealth Group CA | - | 0 | - | - |
| UnitedHealth Group TX | Transportation & Warehousing | 0 | - | F |
| Unitedhealth Group AZ | - | 0 | - | - |
| UnitedHealth Group DE | - | 0 | - | - |
| UnitedHealth Group CO | - | 0 | - | - |
