| United Electrical Services, LLC WV | Construction | 0 | — | A |
| United Electronic Industries MA | Manufacturing | 0 | — | A |
| United Electronics Corp., Inc. IL | Manufacturing | 1 | $70,000 | — |
| United Elevator Company, Inc MA | Construction | 0 | — | D |
| United Employment Solutions Inc CA | Administrative & Waste Services | 0 | — | A |
| United Enertech Cooperation TN | Manufacturing | 0 | — | F |
| United Engineering Co. MO | Manufacturing | 0 | — | F |
| United Enterprises, Inc. MO | Healthcare & Social Assistance | 0 | — | F |
| UNITED ENVELOPE NJ | Manufacturing | 0 | — | D |
| United Envelope OH | Manufacturing | 0 | — | F |
| United Envelope PA | Manufacturing | 0 | — | F |
| United Envelope, LLC NY | — | 0 | — | — |
| United Equipment Accessories IA | Manufacturing | 0 | — | A |
| UNITED ERECTING OF WISCONSIN, INC WI | Construction | 0 | — | A |
| United Erie a Division of Interstate Chemical Company, Inc. PA | Wholesale Trade | 0 | — | A |
| United Ethanol LLC WI | Manufacturing | 0 | — | D |
| United Fabricare Supply, Inc CA | Wholesale Trade | 0 | — | A |
| United Facilities, Inc. CA | Transportation & Warehousing | 0 | — | A |
| United Facilities, Inc. IL | Transportation & Warehousing | 0 | — | A |
| United Family Medicine MN | Healthcare & Social Assistance | 0 | — | F |
| United Farm & Home Co-op TN | Wholesale Trade | 0 | — | F |
| United Farmers Cooperative IA | Agriculture & Forestry | 0 | — | A |
| United Farmers Cooperative MN | Agriculture & Forestry | 0 | — | B |
| United Farmers Cooperative MO | Agriculture & Forestry | 0 | — | A |
| United Farmers Cooperative (HQ) IA | Agriculture & Forestry | 0 | — | D |
| United Feature Syndicate, Inc. (d/b/a United Media) NY | — | 0 | — | — |
| United Fence & Construction Company, Inc. AR | Construction | 0 | — | F |
| United Fiberglass of America, Inc. OH | Manufacturing | 0 | — | F |
| United Financial Group, Inc. WI | Real Estate | 0 | — | F |
| United Financial, Inc. MS | — | 0 | — | — |
| UNITED FINISHERS INTERNATIONAL INC. NC | Wholesale Trade | 0 | — | A |
| United Fire Equipment Company AZ | Wholesale Trade | 0 | — | C |
| United Fishing Agency, Ltd. HI | Wholesale Trade | 0 | — | F |
| United Flea Markets LLC AL | Retail Trade | 0 | — | A |
| United Flea Markets LLC AZ | Retail Trade | 0 | — | A |
| United Flea Markets LLC CA | Retail Trade | 0 | — | A |
| United Flea Markets LLC CO | Retail Trade | 0 | — | A |
| United Flea Markets LLC FL | Retail Trade | 0 | — | A |
| United Flea Markets LLC NC | Retail Trade | 0 | — | A |
| United Flooring, Inc. WI | Retail Trade | 0 | — | F |
| United Flow Technologies Intermediate Hold Co II CA | Manufacturing | 0 | — | A |
| United Foam Product Technologies MI | Manufacturing | 0 | — | A |
| United Food Group CA | — | 0 | — | — |
| United Foods International (USA), Inc. CA | Manufacturing | 2 | $95,631 | — |
| United Foods International USA Inc. AZ | Manufacturing | 0 | — | B |
| United Foods International USA Inc. CA | Manufacturing | 0 | — | D |
| United Foods International USA Inc. MD | Manufacturing | 0 | — | F |
| United Forest Products AL | Manufacturing | 0 | — | D |
| United Forest Products NH | Manufacturing | 0 | — | F |
| United Forest Products, Inc. SC | Manufacturing | 0 | — | F |
