| RoadSafe Traffic Systems OK | Construction | 0 | — | F |
| RoadSafe Traffic Systems OR | Construction | 0 | — | F |
| RoadSafe Traffic Systems PA | Construction | 0 | — | F |
| RoadSafe Traffic Systems SC | Construction | 0 | — | A |
| RoadSafe Traffic Systems TN | Construction | 0 | — | F |
| RoadSafe Traffic Systems TX | Construction | 0 | — | C |
| RoadSafe Traffic Systems UT | Construction | 0 | — | F |
| RoadSafe Traffic Systems VA | Construction | 0 | — | C |
| RoadSafe Traffic Systems WV | Construction | 0 | — | C |
| Roadstar Trucking, Inc. CA | Transportation & Warehousing | 0 | — | B |
| Roadtec, Inc. TN | Manufacturing | 1 | $115,000 | — |
| Roadway Specialties, Inc. TX | Construction | 0 | — | F |
| Roam Artisan Burgers CA | — | 0 | — | — |
| ROAM Echo LLC UT | Accommodation & Food Services | 0 | — | A |
| ROAM LP LLC AZ | Accommodation & Food Services | 0 | — | A |
| Roam Management LLC UT | Accommodation & Food Services | 0 | — | A |
| ROAM Spokane LLC WA | Accommodation & Food Services | 0 | — | F |
| Roamingwood Sewer & Water Association PA | Utilities | 0 | — | A |
| ROAN Resources OK | — | 0 | — | — |
| Roane County Government TN | Public Administration | 0 | — | C |
| Roane Transportation Services TN | Transportation & Warehousing | 0 | — | C |
| Roanoke Cement Company LLC VA | Manufacturing | 1 | $68,078 | — |
| Roanoke City Public Schools VA | Educational Services | 0 | — | B |
| Roanoke College VA | Educational Services | 2 | $77,797 | — |
| Roanoke Construction MO | Construction | 0 | — | F |
| Roanoke Cotton Company NC | Agriculture & Forestry | 0 | — | A |
| Roanoke County VA | Public Administration | 0 | — | A |
| Roanoke Electric Cooperative NC | Utilities | 0 | — | C |
| Roanoke Electric Steel Corporation VA | Manufacturing | 0 | — | C |
| Roanoke Farmers Association IL | Wholesale Trade | 0 | — | F |
| Roanoke Gas Company VA | Utilities | 0 | — | F |
| Roanoke Tar Cotton, Inc NC | Agriculture & Forestry | 0 | — | A |
| Roanoke VA AL, LLC VA | Healthcare & Social Assistance | 0 | — | F |
| Roaring Camp Railroad Inc CA | Transportation & Warehousing | 0 | — | F |
| Roaring Camp Railroads CA | — | 0 | — | — |
| Roaring Fork Midstream WY | Mining & Extraction | 0 | — | A |
| Roaring Fork Neurology, PC CO | Healthcare & Social Assistance | 2 | $49,920 | — |
| Roaring Fork School District RE-1 CO | Educational Services | 8 | $67,444 | — |
| Roaring Fork Senior Living CO | Healthcare & Social Assistance | 0 | — | F |
| Roaring Fork Valley Cooperative Association CO | Wholesale Trade | 0 | — | F |
| Roaring Spring Blank Book Company PA | Manufacturing | 0 | — | F |
| Roark Landscaping OK | Administrative & Waste Services | 0 | — | A |
| Roastar WI | Manufacturing | 0 | — | C |
| Roasted Bliss MN | — | 0 | — | — |
| Roasterie Inc MO | Manufacturing | 0 | — | A |
| ROB Inc. dba Ralph's Transfer FL | Transportation & Warehousing | 0 | — | A |
| Rob Sight Ford MO | Retail Trade | 0 | — | A |
| Rob't J. Baggett, Inc. AL | Construction | 0 | — | A |
| ROBAM APPLIANCES LA TRADE LLC CA | Wholesale Trade | 1 | $68,869 | — |
| Robar Enterprises AZ | Wholesale Trade | 0 | — | A |
