| Regional Industrial Deveopment Corporation of Southwestern Pennsylvania (RIDC) PA | Real Estate | 0 | — | A |
| Regional International Corp NY | Wholesale Trade | 0 | — | D |
| Regional International of WNY, Inc. NY | Wholesale Trade | 0 | — | D |
| Regional Kidney Care, PC TN | Healthcare & Social Assistance | 1 | $160,000 | — |
| Regional Management Corp. SC | Finance & Insurance | 2 | $97,138 | — |
| Regional Marketing Concepts, Inc. VA | Administrative & Waste Services | 0 | — | C |
| Regional Materials Recovery NC | Wholesale Trade | 0 | — | F |
| Regional Mechanical Services LA | Construction | 0 | — | A |
| Regional Medical Center CA | — | 0 | — | — |
| Regional Medical Center IA | Healthcare & Social Assistance | 0 | — | D |
| Regional Medical Center SC | Healthcare & Social Assistance | 0 | — | F |
| Regional Medical Center of Central Alabama AL | — | 0 | — | — |
| Regional Medical Center of San Jose CA | Healthcare & Social Assistance | 0 | — | F |
| Regional Mental Health Center IN | Healthcare & Social Assistance | 0 | — | F |
| Regional Otolaryngology Head and Neck NJ | Healthcare & Social Assistance | 0 | — | A |
| Regional Otolaryngology Head and Neck NM | Healthcare & Social Assistance | 0 | — | A |
| Regional Recycling NE | — | 0 | — | — |
| Regional Rehabilitation Hospital AL | Healthcare & Social Assistance | 0 | — | F |
| Regional School 89 ME | Educational Services | 0 | — | F |
| Regional School Unit #89 ME | Educational Services | 0 | — | F |
| Regional School Unit 10 ME | Educational Services | 1 | $46,340 | — |
| Regional School Unit 23 ME | Educational Services | 0 | — | F |
| Regional School Unit 50 ME | Educational Services | 0 | — | F |
| Regional School Unit 89 ME | Educational Services | 0 | — | F |
| Regional Steel Products, Inc. AL | Manufacturing | 0 | — | F |
| Regional Transportation Program ME | Transportation & Warehousing | 0 | — | F |
| Regional Utility Services SC | Construction | 0 | — | A |
| Regional Water Resource Agency KY | Utilities | 0 | — | A |
| Regional West Foundation NE | Other Services | 0 | — | A |
| Regions Bank AL | Finance & Insurance | 23 | $131,388 | — |
| Regions Bank MS | — | 0 | — | — |
| Regions Facility Services, INC. FL | Construction | 0 | — | F |
| Regions Hospital MN | Healthcare & Social Assistance | 0 | — | F |
| Regis MN | — | 0 | — | — |
| Regis & Associates, PC DC | Professional & Technical Services | 2 | $71,000 | — |
| Regis Corp TN | — | 0 | — | — |
| Regis Salon NE | — | 0 | — | — |
| Regis Woods Care and Rehab Center KY | — | 0 | — | — |
| Register Insulation, Inc. GA | Construction | 0 | — | A |
| Register Roofing & Sheet Metal, Inc. FL | Construction | 0 | — | A |
| Register's Enterprises of Bay County FL | Construction | 0 | — | A |
| Registrar & Transfer Company NJ | — | 0 | — | — |
| Registry Network, Inc. CA | Administrative & Waste Services | 0 | — | D |
| Regitar USA Inc AL | Wholesale Trade | 0 | — | A |
| REGIUS RUBBER WI | Manufacturing | 0 | — | A |
| Rego Group LLC AZ | Wholesale Trade | 0 | — | D |
| REGO-FIX Tool Corporation IN | Wholesale Trade | 0 | — | A |
| Regrello Corp. CA | Information & Media | 1 | $195,000 | — |
| Regression test ND | Agriculture & Forestry | 0 | — | A |
| Regulator Marine NC | Manufacturing | 0 | — | F |
