| U.S. Foods MD | — | 0 | — | — |
| U.S. Forensic LLC LA | Professional & Technical Services | 3 | $116,730 | — |
| U.S. Glass, Inc. CA | Construction | 0 | — | D |
| U.S. GOVERNMENT - VETERANS AFFAIRS - NATIONAL CEMETERY ADMINISTRATION CA | Other Services | 0 | — | A |
| U.S. Granules Corporation IN | Manufacturing | 0 | — | F |
| U.S. Granules Corporation MO | Manufacturing | 0 | — | A |
| U.S. Gypsum UT | — | 0 | — | — |
| U.S. Health Express Corp. CA | Wholesale Trade | 2 | $62,000 | — |
| U.S. HI-Tech solutions, Inc. TX | Professional & Technical Services | 1 | $106,020 | — |
| U.S. Insulation Corp. CT | Construction | 0 | — | F |
| U.S. LINEN AND UNIFORM OR | Other Services | 0 | — | F |
| U.S. LINEN AND UNIFORM WA | Other Services | 0 | — | F |
| U.S. Logistics, Inc. CA | — | 0 | — | — |
| U.S. Machine & Tool GA | Manufacturing | 0 | — | F |
| U.S. Magnesium UT | — | 0 | — | — |
| U.S. Minerals, Inc. IL | Manufacturing | 0 | — | D |
| U.S. Minerals, Inc. KS | Manufacturing | 0 | — | F |
| U.S. Minerals, Inc. LA | Manufacturing | 0 | — | A |
| U.S. Minerals, Inc. TX | Manufacturing | 0 | — | F |
| U.S. Minerals, Inc. WI | Manufacturing | 0 | — | F |
| U.S. Net-Metrics Inc. IL | Professional & Technical Services | 2 | $98,280 | — |
| U.S. News & World Report, L.P. NY | Information & Media | 1 | $78,603 | — |
| U.S. Nutraceuticals, Inc. FL | Manufacturing | 0 | — | C |
| U.S. Oil and Refining Co. WA | Manufacturing | 0 | — | D |
| U.S. Paint Corporation MO | Manufacturing | 0 | — | C |
| U.S. Paper Converters, Inc. WI | — | 0 | — | — |
| U.S. Paper Converters, Inc. - Revision 1 WI | — | 0 | — | — |
| U.S. Patriot Tactical (Galls, LLC) SC | — | 0 | — | — |
| U.S. Renal Care, Inc. TX | Healthcare & Social Assistance | 1 | $121,524 | — |
| U.S. Road Freight Express, Inc. CO | Transportation & Warehousing | 0 | — | F |
| U.S. Road Freight Express, Inc. IL | Transportation & Warehousing | 0 | — | A |
| U.S. Road Freight Express, Inc. KS | Transportation & Warehousing | 0 | — | C |
| U.S. Road Freight Express, Inc. MO | Transportation & Warehousing | 0 | — | F |
| U.S. Road Freight Express, Inc. NE | Transportation & Warehousing | 0 | — | A |
| U.S. Road Freight Express, Inc. OK | Transportation & Warehousing | 0 | — | D |
| U.S. Road Freight Express, Inc. TX | Transportation & Warehousing | 0 | — | A |
| U.S. Security Associates, Inc CA | — | 0 | — | — |
| U.S. Security Associates, Inc. (@North Shore Long Island Jewish Hospital sites) NY | — | 0 | — | — |
| U.S. SILVER - IDAHO, INC. ID | Mining & Extraction | 1 | $117,728 | — |
| U.S. Silver and Gold ID | — | 0 | — | — |
| U.S. SiteWork, Inc. MN | Construction | 0 | — | A |
| U.S. Soccer Federation, Inc. GA | Other Services | 2 | $175,000 | — |
| U.S. Software & Consulting, Inc. VA | Professional & Technical Services | 2 | $120,000 | — |
| U.S. Space & Rocket Center AL | Arts & Entertainment | 0 | — | C |
| U.S. Sprinkler GA | Construction | 0 | — | F |
| U.S. Steel Corporation MI | — | 0 | — | — |
| U.S. Steel Tubular Products AL | — | 0 | — | — |
| U.S. Steel Tubular Products McKeesport Tubular Operations PA | — | 0 | — | — |
| U.S. Steel Tubular Products, Inc. McKeesport Tubular Operations PA | — | 0 | — | — |
| U.S. Strapping Company, Inc. SC | Manufacturing | 0 | — | F |
