| Orrex Plastics Co., LLC TX | Manufacturing | 0 | — | D |
| Orrick, Herrington & Sutcliffe LLP CA | Professional & Technical Services | 8 | $260,261 | — |
| Orrion LLC IL | Professional & Technical Services | 2 | $180,346 | — |
| OrrVilla Inc. OH | Healthcare & Social Assistance | 0 | — | F |
| Orrville Cobblestone LLC OH | Accommodation & Food Services | 0 | — | A |
| Orrvilon, Inc. OH | Manufacturing | 0 | — | F |
| ORS Nasco OK | Wholesale Trade | 0 | — | A |
| ORS Nasco- Jacksonville FL | Wholesale Trade | 0 | — | A |
| ORS Nasco/ Medco/ Nestor AL | Wholesale Trade | 0 | — | D |
| ORS Nasco/ Medco/ Nestor CA | Wholesale Trade | 0 | — | F |
| ORS Nasco/ Medco/ Nestor CO | Wholesale Trade | 0 | — | A |
| ORS Nasco/ Medco/ Nestor IL | Wholesale Trade | 0 | — | A |
| ORS Nasco/ Medco/ Nestor MN | Wholesale Trade | 0 | — | A |
| ORS Nasco/ Medco/ Nestor OH | Wholesale Trade | 0 | — | B |
| ORS Nasco/ Medco/ Nestor OK | Wholesale Trade | 0 | — | A |
| ORS Nasco/ Medco/ Nestor OR | Wholesale Trade | 0 | — | A |
| ORS Nasco/ Medco/ Nestor PA | Wholesale Trade | 0 | — | A |
| ORS Nasco/Medco CA | Wholesale Trade | 0 | — | A |
| ORS Nasco/Medco TX | Wholesale Trade | 0 | — | A |
| Orscheln / Tractor Supply MO | — | 0 | — | — |
| Orscheln Farm & Home Supply NE | — | 0 | — | — |
| Orscheln Farm and Home LLC MO | Transportation & Warehousing | 0 | — | F |
| Orscheln Farm and Home LLC TX | Retail Trade | 0 | — | D |
| Orscheln Products LLC MO | Manufacturing | 0 | — | F |
| Orsted IL | Utilities | 0 | — | A |
| Orsted NJ | Utilities | 0 | — | A |
| Orsted TX | Utilities | 0 | — | A |
| Orsted VA | Utilities | 0 | — | A |
| Orsted North America Inc MD | Utilities | 0 | — | A |
| Orsted North America Inc NY | Utilities | 0 | — | A |
| Orsted North America Inc RI | Utilities | 0 | — | A |
| Orsted North America Inc. MA | Utilities | 2 | $99,100 | A |
| Ort & Sons Trucking LLC WI | Transportation & Warehousing | 0 | — | C |
| Ortec, Inc. SC | Manufacturing | 0 | — | B |
| Ortega Berry Farms, LLC CA | Agriculture & Forestry | 0 | — | B |
| Ortego Grading FL | Construction | 0 | — | A |
| Ortep of Pennsylvania, Inc. PA | Retail Trade | 0 | — | C |
| OrthAlign, Inc. CA | Manufacturing | 0 | — | A |
| Orthman Conveying Systems TX | Manufacturing | 0 | — | F |
| Orthman Manufacturing NE | — | 0 | — | — |
| Ortho Clinical Diagnostics NY | Manufacturing | 0 | — | C |
| Ortho Clinical Diagnostics, Inc. FL | Manufacturing | 0 | — | A |
| Ortho Clinical Diagnostics, Inc. NJ | Manufacturing | 0 | — | D |
| Ortho Colorado CO | Healthcare & Social Assistance | 0 | — | F |
| Ortho Development Corporation UT | Manufacturing | 0 | — | A |
| ORTHO HOSPITAL OF WISCONSIN WI | Healthcare & Social Assistance | 0 | — | C |
| Ortho Mattress, Inc. AZ | Manufacturing | 0 | — | F |
| Ortho Mattress, Inc. CA | Manufacturing | 0 | — | A |
| Ortho Molecular Products IL | Management of Companies | 0 | — | A |
| Ortho Molecular Products, Inc WI | Manufacturing | 0 | — | B |
