| United Church Homes and Services NC | Real Estate | 0 | - | F |
| United Church Homes, Inc. OH | Healthcare & Social Assistance | 0 | - | D |
| United Church of Christ Homes PA | Healthcare & Social Assistance | 0 | - | F |
| United Civil, Inc MA | Construction | 1 | $124,800 | B |
| United Coal - Wellmore Energy Company LLC KY | - | 0 | - | - |
| United Coal Company dba Sapphire Coal Company KY | - | 0 | - | - |
| United Cocoa Processor, Inc. DE | Manufacturing | 1 | $127,000 | - |
| United Commercial, Inc. WA | Construction | 0 | - | F |
| United Community Action Partnership, Inc. MN | Healthcare & Social Assistance | 0 | - | D |
| United Community and Family Services, Inc. CT | - | 1 | $229,445 | - |
| United Community Options FL | - | 0 | - | - |
| United Companies CO | Manufacturing | 0 | - | D |
| United Construction Group//High Power Electric AZ | Construction | 0 | - | D |
| United Consulting Hub Inc NJ | Professional & Technical Services | 9 | $93,392 | - |
| United Continental Corporation NY | - | 1 | $245,000 | - |
| United Continental Holdings Inc AUS TX | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc BOS MA | Transportation & Warehousing | 0 | - | D |
| United Continental Holdings Inc CLE OH | Transportation & Warehousing | 0 | - | D |
| United Continental Holdings Inc DCA VA | Transportation & Warehousing | 0 | - | A |
| United Continental Holdings Inc DEN CO | Transportation & Warehousing | 0 | - | D |
| United Continental Holdings Inc DFW TX | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc EWR NJ | Transportation & Warehousing | 0 | - | D |
| United Continental Holdings Inc FLL FL | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc GUM GU | Transportation & Warehousing | 0 | - | C |
| United Continental Holdings Inc HNL HI | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc IAD VA | Transportation & Warehousing | 0 | - | D |
| United Continental Holdings Inc IAH TX | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc LAS NV | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc LAX CA | Transportation & Warehousing | 0 | - | D |
| United Continental Holdings Inc LGA NY | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc MCO FL | Transportation & Warehousing | 0 | - | D |
| United Continental Holdings Inc MSP MN | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc MSY LA | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc ORD IL | Transportation & Warehousing | 0 | - | D |
| United Continental Holdings Inc PDX OR | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc PHL PA | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc PHX AZ | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc SAN CA | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc SAT TX | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc SEA WA | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc SFO CA | Transportation & Warehousing | 0 | - | D |
| United Continental Holdings Inc SNA CA | Transportation & Warehousing | 0 | - | F |
| United Continental Holdings Inc TPA FL | Transportation & Warehousing | 0 | - | F |
| United Contractors Midwest IL | Construction | 0 | - | C |
| United Contractors, Inc. IA | - | 1 | $88,920 | - |
| United CORPORATION, INC. VI | Retail Trade | 1 | $36,400 | A |
| United Counseling Service VT | Healthcare & Social Assistance | 0 | - | F |
| United Dairy Farmers, INC KY | Transportation & Warehousing | 0 | - | D |
| United Dairy Farmers, INC OH | Manufacturing | 0 | - | B |
| United Dairy INC OH | Wholesale Trade | 0 | - | C |
