| Ruppert Landscape VA | Administrative & Waste Services | 0 | — | D |
| Rural Alaska Community Action Program Inc. AK | Healthcare & Social Assistance | 0 | — | A |
| Rural Electric AZ | Construction | 0 | — | A |
| Rural Electric Convenience Cooperative IL | Utilities | 0 | — | A |
| Rural Electric Cooperative, Inc OK | Utilities | 0 | — | D |
| Rural Electric Supply Cooperative IA | Wholesale Trade | 0 | — | A |
| Rural Electric Supply Cooperative MI | Wholesale Trade | 0 | — | A |
| Rural Electric Supply Cooperative MN | Wholesale Trade | 0 | — | C |
| Rural Electric Supply Cooperative ND | Wholesale Trade | 0 | — | A |
| Rural Electric Supply Cooperative NE | Wholesale Trade | 0 | — | A |
| Rural Electric Supply Cooperative SD | Wholesale Trade | 0 | — | A |
| Rural Electric Supply Cooperative WI | Wholesale Trade | 0 | — | A |
| Rural Health Clinic NC | — | 0 | — | — |
| Rural Health Corporation PA | Healthcare & Social Assistance | 0 | — | A |
| Rural Health Corporation of Northeastern Pennsylvania PA | Healthcare & Social Assistance | 0 | — | A |
| Rural Health Group, Inc. NC | Healthcare & Social Assistance | 0 | — | A |
| Rural Health Resources of Jackson County, Inc KS | Healthcare & Social Assistance | 1 | $69,597 | — |
| Rural Health Services, Inc. SC | Healthcare & Social Assistance | 1 | $176,900 | — |
| Rural Human Services CA | Healthcare & Social Assistance | 0 | — | A |
| Rural King TN | — | 0 | — | — |
| Rural King Distribution and Management Inc IL | Transportation & Warehousing | 0 | — | A |
| Rural Living Environments Inc MN | Healthcare & Social Assistance | 0 | — | A |
| Rural Masonry Co Inc WI | Construction | 0 | — | F |
| Rural Metro AZ | — | 0 | — | — |
| Rural Metro Corporation IN | — | 0 | — | — |
| Rural Metro Corporation Revised IN | — | 0 | — | — |
| Rural Minnesota CEP Inc MN | Healthcare & Social Assistance | 0 | — | D |
| Rural Nevada Counseling NV | Healthcare & Social Assistance | 0 | — | F |
| Rural Route 1 Inc WI | Manufacturing | 0 | — | C |
| Rural Transit Enterprises Coordinated, Inc. (RTEC) KY | Transportation & Warehousing | 0 | — | C |
| Rural/Metro (also dba Rural/Metro Medical Services) NY | — | 0 | — | — |
| Rural/Metro of Rochester, Inc. NY | — | 0 | — | — |
| RuralMed, LLC IL | Healthcare & Social Assistance | 0 | — | A |
| Ruri Software Technologies LLC FL | Professional & Technical Services | 8 | $99,613 | — |
| RUS Industries Inc. NY | Manufacturing | 0 | — | F |
| Rusam WA | Retail Trade | 0 | — | C |
| Ruscilli Construction Co. LLC OH | Construction | 1 | $122,000 | — |
| Rusco Window Company Inc ND | Construction | 0 | — | A |
| Rush Administrative Services Inc. TX | Wholesale Trade | 1 | $150,792 | — |
| Rush City ISD #139 MN | Educational Services | 0 | — | F |
| Rush Commercial Construction, Inc. WA | Construction | 1 | $82,750 | — |
| Rush Company Inc. SD | Manufacturing | 0 | — | F |
| RUSH Construction Inc FL | Construction | 0 | — | A |
| Rush Copley Healthplex LLC IL | Arts & Entertainment | 0 | — | A |
| Rush Copley Medical Center IL | Healthcare & Social Assistance | 0 | — | F |
| Rush Copley Medical Group, NFP IL | Healthcare & Social Assistance | 0 | — | F |
| Rush Copley Orthopedics, LLC IL | Healthcare & Social Assistance | 0 | — | F |
| Rush County IN | Construction | 0 | — | A |
| Rush County Memorial Hospital KS | Healthcare & Social Assistance | 0 | — | D |
| Rush Creek Lodge CA | Accommodation & Food Services | 0 | — | F |
